<SEC-DOCUMENT>0000764622-21-000031.txt : 20210505
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<ACCEPTANCE-DATETIME>20210505083307
ACCESSION NUMBER:		0000764622-21-000031
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		85
CONFORMED PERIOD OF REPORT:	20210331
FILED AS OF DATE:		20210505
DATE AS OF CHANGE:		20210505

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PINNACLE WEST CAPITAL CORP
		CENTRAL INDEX KEY:			0000764622
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				860512431
		STATE OF INCORPORATION:			AZ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08962
		FILM NUMBER:		21891310

	BUSINESS ADDRESS:	
		STREET 1:		400 NORTH FIFTH STREET
		STREET 2:		MS8695
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85004
		BUSINESS PHONE:		602 250 1000

	MAIL ADDRESS:	
		STREET 1:		400 NORTH FIFTH STREET
		STREET 2:		MS8695
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85004

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AZP GROUP INC
		DATE OF NAME CHANGE:	19870506

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARIZONA PUBLIC SERVICE CO
		CENTRAL INDEX KEY:			0000007286
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				860011170
		STATE OF INCORPORATION:			AZ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04473
		FILM NUMBER:		21891311

	BUSINESS ADDRESS:	
		STREET 1:		400 NORTH FIFTH STREET
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85004
		BUSINESS PHONE:		602 250 1000

	MAIL ADDRESS:	
		STREET 1:		P O BOX 53999
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85072-3999
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
<FILENAME>pnw-20210331.htm
<DESCRIPTION>10-Q
<TEXT>
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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF8zLTItMS0xLTA_5dbc0239-02cc-4fc3-b249-0c81456e8d83">400 North Fifth Street, P.O.&#160;Box 53999</ix:nonNumeric></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="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF80LTItMS0xLTA_71b37c2c-2012-4bf8-bd5f-96ed4a7dc9c7">Phoenix</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF80LTMtMS0xLTA_6dfa6e11-33e3-40dc-bd5a-1a5696dfd800">Arizona</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF80LTQtMS0xLTA_d305d58b-a29d-4199-a5b9-785fbddfc597">85072-3999</ix:nonNumeric></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></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:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF81LTItMS0xLTA_6850cd54-f8db-4cf1-acea-4da7d3a32e63">(602)</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF81LTMtMS0xLTA_359b55cd-fc6a-4173-a920-0e6ba1d2c5f1">250-1000</ix:nonNumeric></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></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" name="dei:EntityFileNumber" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF82LTAtMS0xLTA_1d51aeb1-f950-4e78-b445-2cdb0f02255f">1-4473</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF82LTItMS0xLTA_7ff3fc4f-d2f4-441e-8f31-4a8b34d84eac">ARIZONA PUBLIC SERVICE COMPANY</ix:nonNumeric></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF82LTctMS0xLTA_77eff376-f03b-429f-977c-2cc9362af55d">86-0011170</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(an <ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" format="ixt-sec:stateprovnameen" name="dei:EntityIncorporationStateCountryCode" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF83LTItMS0xLTIwNDYvdGV4dHJlZ2lvbjo5ODhiZDU2NWVmZTQ0Yjg5YmQwYmIzMjExMGZjMTViNl83Njk2NTgxMzk0NDY3_15173421-8796-49cb-bcd8-496e08e5ab74">Arizona</ix:nonNumeric> corporation)</span></div></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="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF84LTItMS0xLTA_1413b80f-441f-465d-9dd7-ddc9ca45d731">400 North Fifth Street, P.O.&#160;Box 53999</ix:nonNumeric></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="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF85LTItMS0xLTA_b7dcf237-3b5b-43bb-a110-816c1591eefb">Phoenix</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF85LTMtMS0xLTA_06c938b9-236c-4b8c-9208-4df942a51be7">Arizona</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6ZTVkMTUyYTUwMTYxNDY1NzgwOThjNTM2ZTZiMDdlOTgvdGFibGVyYW5nZTplNWQxNTJhNTAxNjE0NjU3ODA5OGM1MzZlNmIwN2U5OF85LTQtMS0xLTA_7e3c374a-d696-4f6d-8b36-e52d987b58b3">85072-3999</ix:nonNumeric></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></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:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" name="dei:CityAreaCode" 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colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#9746;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></div></td></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Indicate the number of shares outstanding of each of the issuer&#8217;s classes of common stock, as of the latest practicable date.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><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:46.414%"></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:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">PINNACLE WEST CAPITAL CORPORATION</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Number of shares of common stock, no par value, outstanding as of April 28, 2021: </span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i730f00b8b5eb4a18874620fed25c06c7_I20210428" decimals="INF" format="ixt:numdotdecimal" name="dei:EntityCommonStockSharesOutstanding" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6YTg0YmI0MzY0ZmY5NDZmOTg5MjEwYjQ1YzM2MTI5NGMvdGFibGVyYW5nZTphODRiYjQzNjRmZjk0NmY5ODkyMTBiNDVjMzYxMjk0Y18wLTItMS0xLTA_b64fb1a8-c0dc-442b-8340-dba428fe6b30">112,750,962</ix:nonFraction></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">ARIZONA PUBLIC SERVICE COMPANY</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Number of shares of common stock, $2.50 par value, outstanding as of April 28, 2021:  </span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i096c090c7bf141f185318ce928921a19_I20210428" decimals="INF" format="ixt:numdotdecimal" name="dei:EntityCommonStockSharesOutstanding" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xL2ZyYWc6NjU2YjI2MDBiYWExNGI5MWFiZWJiYmIzMTU2MDY4ZjMvdGFibGU6YTg0YmI0MzY0ZmY5NDZmOTg5MjEwYjQ1YzM2MTI5NGMvdGFibGVyYW5nZTphODRiYjQzNjRmZjk0NmY5ODkyMTBiNDVjMzYxMjk0Y18xLTItMS0xLTA_284c115e-c975-488d-94e5-176c7f409b80">71,264,947</ix:nonFraction></span></td></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Arizona Public Service Company meets the conditions set forth in General Instruction H(1)(a)&#160;and (b)&#160;of Form&#160;10-Q and is therefore filing this form with the reduced disclosure format allowed under that General Instruction.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i915584189a384ebfbd2458228b914629_7"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">TABLE OF CONTENTS</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:13.980%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:72.838%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.999%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.783%"></td><td style="width:0.1%"></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Page</span></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_10">Forward-Looking Statements</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_10">2</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_13">Part&#160;I</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_16">4</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_16">Item 1.</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_16">Financial Statements</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_16">4</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_25">Pinnacle West Capital Corporation</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_25">5</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_46">Arizona Public Service Company</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_46">11</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_124">Item 2.</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_124">Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_124">66</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_145">Item 3.</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_145">Quantitative and Qualitative Disclosures About Market Risk</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_145">88</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_148">Item 4.</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_148">Controls and Procedures</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_148">89</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_151">Part&#160;II</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_151">90</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_154">Item 1</a></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">.</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_154">Legal Proceedings</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_154">90</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_157">Item 1A.</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_157">Risk Factors</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_157">90</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_160">Item 5.</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_160">Other Information</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_160">90</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_163">Item 6.</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_163">Exhibits</a></span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_163">91</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_166">Signatures</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:right"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_166">93</a></span></div></td></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">This combined Form&#160;10-Q is separately provided by Pinnacle West Capital Corporation (&#8220;Pinnacle West&#8221;) and Arizona Public Service Company (&#8220;APS&#8221;).&#160; Any use of the words &#8220;Company,&#8221; &#8220;we,&#8221; and &#8220;our&#8221; refer to Pinnacle West.&#160; Each registrant is providing on its own behalf all of the information contained in this Form&#160;10-Q that relates to such registrant and, where required, its subsidiaries.&#160; Except as stated in the preceding sentence, neither registrant is providing any information that does not relate to such registrant, and therefore makes no representation as to any such information.&#160; The information required with respect to each company is set forth within the applicable items.&#160; Item 1 of this report includes Condensed Consolidated Financial Statements of Pinnacle West and Condensed Consolidated Financial Statements of APS.&#160; Item 1 also includes Combined Notes to Condensed Consolidated Financial Statements.</span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">1</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_10"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="margin-bottom:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">FORWARD-LOOKING STATEMENTS</span></div><div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">This document contains forward-looking statements based on current expectations.&#160; These forward-looking statements are often identified by words such as &#8220;estimate,&#8221; &#8220;predict,&#8221; &#8220;may,&#8221; &#8220;believe,&#8221; &#8220;plan,&#8221; &#8220;expect,&#8221; &#8220;require,&#8221; &#8220;intend,&#8221; &#8220;assume,&#8221; &#8220;project,&#8221; &#8220;anticipate,&#8221; &#8220;goal,&#8221; &#8220;seek,&#8221; &#8220;strategy,&#8221; &#8220;likely,&#8221; &#8220;should,&#8221; &#8220;will,&#8221; &#8220;could,&#8221; and similar words.&#160; Because actual results may differ materially from expectations, we caution readers not to place undue reliance on these statements.&#160; A number of factors could cause future results to differ materially from historical results, or from outcomes currently expected or sought by Pinnacle West or APS.&#160; In addition to the Risk Factors described in Part&#160;I,&#160;Item 1A of the Pinnacle West/APS Annual Report on Form&#160;10-K for the fiscal year ended December&#160;31, 2020 (&#8220;2020 Form&#160;10-K&#8221;), Part II, Item 1A of this report and in Part&#160;I,&#160;Item 2 &#8212; &#8220;Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations&#8221; of this report, these factors include, but are not limited to:</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">the potential effects of the continued Coronavirus (&#8220;COVID-19") pandemic, including, but not limited to, demand for energy, economic growth, our employees and contractors, supply chain, expenses, capital markets, capital projects, operations and maintenance activities, uncollectable accounts, liquidity, cash flows or other unpredictable events;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">our ability to manage capital expenditures and operations and maintenance costs while maintaining reliability and customer service levels;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">variations in demand for electricity, including those due to weather, seasonality, the general economy or social conditions, customer and sales growth (or decline), the effects of energy conservation measures and distributed generation, and technological advancements;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">power plant and transmission system performance and outages;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">competition in retail and wholesale power markets;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">regulatory and judicial decisions, developments and proceedings;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">new legislation, ballot initiatives and regulation, including those relating to environmental requirements, regulatory and energy policy, nuclear plant operations and potential deregulation of retail electric markets;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">fuel and water supply availability;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">our ability to achieve timely and adequate rate recovery of our costs through our rates and adjustor recovery mechanisms, including returns on and of debt and equity capital investment;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">our ability to meet renewable energy and energy efficiency mandates and recover related costs;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">the ability of APS to achieve its clean energy goals (including a goal by 2050 of 100% clean, carbon-free electricity) and, if these goals are achieved, the impact of such achievement on APS, its customers, and its business, financial condition and results of operations;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">risks inherent in the operation of nuclear facilities, including spent fuel disposal uncertainty;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">current and future economic conditions in Arizona, including in real estate markets;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">the direct or indirect effect on our facilities or business from cybersecurity threats or intrusions, data security breaches, terrorist attack, physical attack, severe storms, droughts, or other catastrophic events, such as fires, explosions, pandemic health events</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">,</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"> or similar occurrences;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">the development of new technologies which may affect electric sales or delivery;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">the cost of debt and equity capital and the ability to access capital markets when required;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">environmental, economic and other concerns surrounding coal-fired generation, including regulation of greenhouse gas emissions;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">volatile fuel and purchased power costs;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times 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Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">potential shortfalls in insurance coverage;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">new accounting requirements or new interpretations of existing requirements;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">generation, transmission and distribution facility and system conditions and operating costs;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">the ability to meet the anticipated future need for additional generation and associated transmission facilities in our region;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">the willingness or ability of our counterparties, power plant participants and power plant landowners to meet contractual or other obligations or extend the rights for continued power plant operations; and</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">2</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="margin-bottom:6pt;padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">restrictions on dividends or other provisions in our credit agreements and Arizona Corporation Commission (&#8220;ACC&#8221;) orders.&#160;</span></div><div style="margin-bottom:9pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">These and other factors are discussed in the Risk Factors described in Part&#160;I,&#160;Item 1A of our 2020 Form&#160;10-K, Part II, Item 1A of this report, and in Part&#160;I,&#160;Item 2 &#8212; &#8220;Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations&#8221; of this report, which readers should review carefully before placing any reliance on our financial statements or disclosures.&#160; Neither Pinnacle West nor APS assumes any obligation to update these statements, even if our internal estimates change, except as required by law.</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">3</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_13"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">PART&#160;I &#8212; FINANCIAL INFORMATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div id="i915584189a384ebfbd2458228b914629_16"></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">ITEM 1.&#160; FINANCIAL STATEMENTS</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div id="i915584189a384ebfbd2458228b914629_19"></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;INDEX TO FINANCIAL STATEMENTS AND FINANCIAL STATEMENT SCHEDULES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:89.981%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.819%"></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:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Page</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_25">Pinnacle West Condensed Consolidated Statements of Income for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_25">5</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_28">Pinnacle West Condensed Consolidated Statements of Comprehensive Income for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_28">6</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_31">Pinnacle West Condensed Consolidated Balance Sheets as of March 31, 2021 and December 31, 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_31">7</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_37">Pinnacle West Condensed Consolidated Statements of Cash Flows for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_37">9</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_40">Pinnacle West Condensed Consolidated Statements of Changes in Equity for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_40">10</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</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"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_46">APS Condensed Consolidated Statements of Income for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_46">11</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_49">APS Condensed Consolidated Statements of Comprehensive Income for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_49">12</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_52">APS Condensed Consolidated Balance Sheets as of March 31, 2021 and December 31, 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_52">13</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_58">APS Condensed Consolidated Statements of Cash Flows for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_58">15</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_61">APS Condensed Consolidated Statements of Changes in Equity for Three Months Ended March 31, 2021 and 2020</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_61">16</a></span></div></td></tr><tr style="height:14pt"><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"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_64">Combined Notes to Condensed Consolidated Financial Statements</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_67">17</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_67">Note 1. Consolidation and Nature of Operations</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_67">17</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_70">Note 2. Revenue</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_70">18</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_73">Note 3. Long-Term Debt and Liquidity Matters</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_73">20</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_76">Note 4. Regulatory Matters</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_76">22</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_79">Note 5. Retirement Plans and Other Postretirement Benefits</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_79">40</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_82">Note 6. Palo Verde Sale Leaseback Variable Interest Entities</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_82">42</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_85">Note 7. Derivative Accounting</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_85">43</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_88">Note 8. Commitments and Contingencies</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_88">47</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_91">Note 9. Other Income and Other Expense</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_91">54</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_97">Note 10. Earnings Per Share</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_97">55</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_100">Note 11. Fair Value Measurements</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_100">55</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_103">Note 12. Investment in Nuclear Decommissioning Trusts and Other Special Use Funds</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_103">60</a></span></div></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_109">Note 13. Changes in Accumulated Other Comprehensive Loss</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_109">63</a></span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_115">Note 14. Income Taxes</a></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline" href="#i915584189a384ebfbd2458228b914629_115">65</a></span></div></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></table></div><div><span><br/></span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">4</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_22"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_25"></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">PINNACLE WEST CAPITAL CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED STATEMENTS OF INCOME</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(unaudited)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(dollars and shares in thousands, except per share amounts)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:76.092%"></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:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.576%"></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></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 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style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">OPERATING EXPENSES</span></td><td colspan="3" 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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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Depreciation and amortization</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostOfGoodsAndServicesSoldDepreciationAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfOC0zLTEtMS0w_a9779381-8448-49e3-a48c-b94bf14f8ef9">157,820</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostOfGoodsAndServicesSoldDepreciationAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfOC01LTEtMS0w_e055f74c-4000-4be8-8c96-f757fd850c60">154,079</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Taxes other than income taxes</span></td><td colspan="3" style="background-color:#ffffff;padding:0 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colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfOS01LTEtMS0w_edb55c4f-7145-4ce9-aa9e-118aa05e30bf">56,768</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other expenses</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherCostAndExpenseOperating" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTAtMy0xLTEtMA_1d1f6f2c-dca5-40f3-a13d-e095e3deaa17">3,356</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="us-gaap:OtherCostAndExpenseOperating" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTAtNS0xLTEtMA_4e5ad639-276e-4fb9-a2de-a071f81ea182">822</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTEtMy0xLTEtMA_f4328a78-32f0-4e04-946f-7fcf655a8410">648,941</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><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTEtNS0xLTEtMA_f902bbb5-12c4-4c4a-b7e5-fd186f162cd0">621,508</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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">OPERATING INCOME</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTItMy0xLTEtMA_49dcaeb8-470a-4865-b533-c523e3f8c347">47,534</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTItNS0xLTEtMA_a3a693cf-0448-415e-a847-69210e0ef689">40,422</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">OTHER INCOME (DEDUCTIONS)</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Allowance for equity funds used during construction</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTQtMy0xLTEtMA_808c2d45-91d6-46c1-adc4-67ca3bf6a081">9,207</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTQtNS0xLTEtMA_7dc12d6e-575d-449f-a3b3-f44bdbcab00c">7,697</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Pension and other postretirement non-service credits &#8212; net </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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTUtMy0xLTEtMA_f6a32ead-3375-4a87-a5e7-08d252827e21">27,791</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTUtNS0xLTEtMA_031be088-2d8d-4aa3-9de4-011b7c741aef">13,911</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other income (Note 9)</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTYtMy0xLTEtMA_f27feefb-6674-4a89-9530-c258cf76e4ae">12,429</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTYtNS0xLTEtMA_720de4eb-68db-4305-a710-e6235e57375d">12,569</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other expense (Note 9)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTctMy0xLTEtMA_065685ed-8bac-4fa8-90c9-cf1850a0d7c3">3,853</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTctNS0xLTEtMA_4c1d7a4b-06aa-4667-91cc-9ee3e3ffb6fb">4,784</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="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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTgtMy0xLTEtMA_017666a0-f510-4d3b-84d4-39bfb1653142">45,574</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMTgtNS0xLTEtMA_61fa1c2e-b5e4-45af-aa0a-f96b356a8d53">29,393</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">INTEREST EXPENSE</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Interest charges</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestCostsIncurred" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjAtMy0xLTEtMA_0363da8d-5a89-4218-98f4-cdca1bcac845">61,938</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestCostsIncurred" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjAtNS0xLTEtMA_b39eac1c-a6df-449e-95b6-b8a67181674a">59,234</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Allowance for borrowed funds used during construction</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjEtMy0xLTEtMA_8eaa9fc1-df75-4df4-991b-eb2c44b64cec">4,994</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjEtNS0xLTEtMA_55d06801-c9ec-41bf-a31a-ce8b928560aa">4,076</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="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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjItMy0xLTEtMA_494e4117-81d3-4641-bbb7-2336a87d20be">56,944</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjItNS0xLTEtMA_fd5f7cbb-446b-4ff7-bf62-de1e539ad8ab">55,158</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">INCOME BEFORE INCOME TAXES</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjMtMy0xLTEtMA_d9ec1450-1aa4-49f8-baee-71da91e046f3">36,164</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjMtNS0xLTEtMA_20bbbc9e-e0d5-4064-8caa-b374a6b2245a">14,657</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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">INCOME TAXES</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjQtMy0xLTEtMA_669df7e6-3c8f-4721-8d5e-52f94f7b831b">4,350</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjQtNS0xLTEtMA_ac84877d-77e6-4b90-9a6c-f7c2509609fd">20,209</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">NET INCOME</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjUtMy0xLTEtMA_6a8accf9-5548-497a-80bd-a22b6eef484e">40,514</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjUtNS0xLTEtMA_c32f35bd-cf44-4294-8c91-cf178bf3a9c5">34,866</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="3" style="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Less: Net income attributable to noncontrolling interests (Note 6)</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjYtMy0xLTEtMA_250293a2-5f59-498c-95d3-0d98443156a6">4,873</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yNS9mcmFnOmRjMjU0YzNkMjE5MzQ4YmI4MWExMmMzOWQwOWIzYjVhL3RhYmxlOjllNDU0ZTJkZDIwNjQ0YTg5MGIwMmQ5OWEyNzU5NjQwL3RhYmxlcmFuZ2U6OWU0NTRlMmRkMjA2NDRhODkwYjAyZDk5YTI3NTk2NDBfMjYtNS0xLTEtMA_bc9039a0-30f3-420a-9576-8a6d22574625">4,873</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 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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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" scale="3" 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style="display:none"></td></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of the financial statements.</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">5</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_28"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">PINNACLE WEST CAPITAL CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(unaudited)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(dollars in thousands)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:76.531%"></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:0.823%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.574%"></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></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</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></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfMy0xLTEtMS0w_fb6457fe-419c-4659-8133-ca5b38a4859d">40,514</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfMy0zLTEtMS0w_7e7aa414-1735-4630-85b8-4a4b215f3fc0">34,866</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">OTHER COMPREHENSIVE INCOME, NET OF TAX</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Derivative instruments:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net unrealized gain, net of tax (expense) benefit of $(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfNy0wLTEtMS0wL3RleHRyZWdpb246NDEwMzY3OWNmNTQwNDI2MzgxZDZhMmE4OGJmNzAyMWZfNDc_5838e351-fedf-4bc6-93a5-25a930d7370d">86</ix:nonFraction>) and $<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfNy0wLTEtMS0wL3RleHRyZWdpb246NDEwMzY3OWNmNTQwNDI2MzgxZDZhMmE4OGJmNzAyMWZfNTE_73f14411-7168-4217-afee-2d3e40c32d5b">292</ix:nonFraction></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfNy0xLTEtMS0w_522a7e91-163d-43a5-824a-f2bedcd31f65">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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfNy0zLTEtMS0w_e9e833f9-f7a3-4dde-a810-0dd9e097fb3b">292</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reclassification of net realized gain, net of tax expense of $<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfOC0wLTEtMS0wL3RleHRyZWdpb246ZDQwYTJkMTY5MDYwNDdmM2E0NDU4YmY0OTM0NzAzY2ZfNjU_3adedfa1-afcb-4980-9038-b40361fd6ca1">0</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfOC0xLTEtMS0w_625bb7d0-3189-4413-98ce-4cf3538c340b">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfOC0zLTEtMS0w_93fc850a-3ebd-4242-8e9f-d6caabe6725f">20</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Pension and other postretirement benefit activity, net of tax expense of $<ix:nonFraction unitRef="usd" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfOS0wLTEtMS0wL3RleHRyZWdpb246ZjNhNTMwNGM0YWUxNDM3ZmIxM2I3MWVhMzdhYjE3NGZfODE_6617a7e1-c1cf-414c-abf3-c679a3a60256">245</ix:nonFraction></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" scale="3" 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name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfOS0zLTEtMS0w_b041a1ea-cc05-4e34-b893-5fa6877a6f08">1,205</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;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></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;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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Less: Comprehensive income attributable to noncontrolling 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfMTMtMS0xLTEtMA_6ba8af0d-352a-4972-985d-dde3718358c3">4,873</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfMTMtMy0xLTEtMA_502f626b-9526-41cd-af3c-666abdda8cc2">4,873</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ComprehensiveIncomeNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfMTUtMS0xLTEtMA_fbd06085-ba6e-4ff5-9247-a3448f380769">36,925</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 colspan="3" style="background-color:#ffffff;padding:0 1pt"></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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ComprehensiveIncomeNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8yOC9mcmFnOmViMTFiMmE3Y2Q1MDQ2OGFhZTU5ZDZiZmE1NTgyY2FiL3RhYmxlOjE2YWI2ZDE0ZjQ3YTQ3NDU5ODVlZTRhNDkxMWI2MmU5L3RhYmxlcmFuZ2U6MTZhYjZkMTRmNDdhNDc0NTk4NWVlNGE0OTExYjYyZTlfMTUtMy0xLTEtMA_1dc84ba2-25e1-4b41-aa5a-df06f4d3da5d">31,510</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double 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style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">PINNACLE WEST CAPITAL CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED BALANCE SHEETS</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(unaudited)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(dollars in thousands)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr style="height:14pt"><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">CURRENT ASSETS</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfNC00LTEtMS0w_ac50810e-2f8b-4742-af54-8923b1db36df">59,968</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" 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accounts</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfNy0yLTEtMS0w_e3ef20cc-8c00-481c-9976-33f4b762c13e">20,405</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfOS0yLTEtMS0w_e1ae8dd5-286d-4270-b679-4639d79d7fae">24,396</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:EnergyRelatedInventoryOtherFossilFuel" scale="3" 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contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTAtNC0xLTEtMA_cb0148d2-8328-48de-8071-dfbdd9d01c49">6,792</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Assets from risk management activities (Note 7)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedges" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTEtMi0xLTEtMA_06111a29-572d-4fc2-9b6b-2039888cbe9d">22,611</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedges" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTEtNC0xLTEtMA_2cf6a12f-4a2d-4861-8489-a64c1b695582">2,931</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power regulatory asset (Note 4)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTItMi0xLTEtMA_8a70ff30-57dd-40ed-97f6-c441e5e63ec6">228,609</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTItNC0xLTEtMA_4ebce483-5921-4aa9-a1ee-2d9d865b77f3">175,835</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other regulatory assets (Note 4)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTMtNC0xLTEtMA_e05b0e43-213f-4e45-962b-968524715e30">115,878</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other current 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTQtMi0xLTEtMA_e1e22890-9888-43e8-898f-da59cfed8f0e">86,238</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTQtNC0xLTEtMA_51b107e7-496d-4d04-8e16-9fa27f05d75f">76,627</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total current assets</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTUtMi0xLTEtMA_7775b0ff-8827-4980-81b5-b929d13010cb">1,169,784</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTUtNC0xLTEtMA_fb082779-2b5f-4330-928b-af3456e0e87d">1,198,319</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">INVESTMENTS AND OTHER ASSETS</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></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:2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Nuclear decommissioning trust (Notes 11 and 12)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:CoalReclamationandUnionTrust" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMTgtNC0xLTEtMA_3685083a-f89b-4574-8281-2cbc5f1fcfcf">254,509</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:#cceeff;padding:2px 1pt 2px 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Plant in service and held for future use</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PropertyPlantAndEquipmentGross" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMjItMi0xLTEtMA_ae05105c-0e25-4433-b099-3b5406605f97">20,948,591</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMjctNC0xLTEtMA_3171e288-8bd3-4af4-828d-7643f2dc2f7b">282,570</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Nuclear fuel, net of accumulated 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:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:TotalDeferredDebits" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zMS9mcmFnOjUyM2MxMGQ0YjY4NzRkNmI5NDkwYzE2NzQ4NjM3MjA5L3RhYmxlOjc4Yzc5YjdlNmNkMjQ3ZDRhNjQ2MmI0Y2JiZTMyMWJiL3RhYmxlcmFuZ2U6NzhjNzliN2U2Y2QyNDdkNGE2NDYyYjRjYmJlMzIxYmJfMzUtNC0xLTEtMA_38bfc671-4b39-4f2a-84f7-7042cecff1fd">2,177,026</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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 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style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TaxesPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfNS00LTEtMS0w_46caf7d2-be70-4710-91fb-74871ec9f16e">159,551</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span 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0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common dividends payable</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DividendsPayableCurrent" scale="3" 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style="background-color:#cceeff;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:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities from risk management activities (Note 7)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedgesLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTEtMi0xLTEtMA_5819411f-380d-4496-9af8-302d9102f85d">3,067</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedgesLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTEtNC0xLTEtMA_18a3cdea-1e18-4bd6-9690-1993b695a126">7,557</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities for asset retirements</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetRetirementObligationCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTItMi0xLTEtMA_d6662589-f40a-450b-8810-820948c8e439">16,021</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Operating lease 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingLeaseLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTQtMi0xLTEtMA_3b19622d-92bd-4d4d-806b-4d845a499e6d">74,328</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingLeaseLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTQtNC0xLTEtMA_f355edef-c197-4e0f-8490-40ee8c3122c2">74,785</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Regulatory liabilities (Note 4)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTUtMi0xLTEtMA_261cac98-725a-4187-a670-9d572e13f291">250,228</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTUtNC0xLTEtMA_4a01fe78-40e1-4ead-916f-038dcad0198f">229,088</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherLiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTYtMi0xLTEtMA_8f1c7067-e1e4-4462-a0de-0501a0a23142">145,589</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherLiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTYtNC0xLTEtMA_79c158f6-e62a-4ac1-b817-655a41b40da0">187,448</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total current liabilities</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTctMi0xLTEtMA_3e2fd430-624e-4d91-8c2a-f2c2be03458b">1,330,543</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTctNC0xLTEtMA_84afa5a8-eb67-4eac-9701-a659a28d56d3">1,360,433</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">LONG-TERM DEBT LESS CURRENT MATURITIES (Note 3)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTgtMi0xLTEtMA_fa16162a-b063-4469-b5e1-f880c2b8069e">6,465,045</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMTgtNC0xLTEtMA_b5aacddc-1adf-4122-a6aa-d2aea77c8456">6,314,266</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">DEFERRED CREDITS AND OTHER</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjEtMi0xLTEtMA_091e8af8-aaf0-44f2-b1b2-4c49daec63df">2,427,769</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjEtNC0xLTEtMA_54626ff7-f424-43ec-b634-8cc5ddc2bcf0">2,450,169</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetRetirementObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjItNC0xLTEtMA_45502b25-5923-4c6c-8129-924bef694bb1">689,497</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities for pension benefits (Note 5)</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjMtMi0xLTEtMA_705689f1-b2e1-4f6d-ae72-72452bc6d08d">164,230</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjYtMi0xLTEtMA_d384f7ce-93c1-4eff-9c21-821aade1401f">171,227</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:MineReclamationAndClosingLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjYtNC0xLTEtMA_168c0b32-7f34-49dc-9578-ad5b3a67709f">170,097</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred investment tax credit</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjgtMi0xLTEtMA_75b88094-c388-4ea4-b250-31ce1c7f0f1b">5,870</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjgtNC0xLTEtMA_4e659e0e-e26a-47eb-a87d-3fd28e65fd15">5,834</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:#cceeff;padding:2px 1pt 2px 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style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingLeaseLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMjktNC0xLTEtMA_7f9f01fb-0135-4b08-a0c1-4ddb6366c3b2">361,336</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzAtMi0xLTEtMA_054ececc-1bef-4fc7-a57d-8a10e2e9f42d">206,174</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzAtNC0xLTEtMA_692f89fa-4bf4-440e-87e5-996bc9906316">190,643</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total deferred credits and other</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DeferredCreditsAndOtherLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzEtNC0xLTEtMA_fc5c9169-5e26-4f59-a9aa-dd0c3fa4afae">6,592,929</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div><span style="color:#000000;font-family:'Times New 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name="us-gaap:CommitmentsAndContingencies" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzItNC0xLTEtMA_84e44a7a-157f-4766-bc3c-eb1d2b0389b4"></ix:nonFraction></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">EQUITY</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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 style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common stock, no par value; authorized <ix:nonFraction unitRef="shares" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesAuthorized" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzQtMC0xLTEtMC90ZXh0cmVnaW9uOmNlYTRkZTJhYTBjNDRkZmY5MTEyYjE4ZjFhZWNmNDNiXzQz_b64d6d5f-58ae-4f5e-b7b7-e870c76b0301"><ix:nonFraction unitRef="shares" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesAuthorized" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzQtMC0xLTEtMC90ZXh0cmVnaW9uOmNlYTRkZTJhYTBjNDRkZmY5MTEyYjE4ZjFhZWNmNDNiXzQz_dcdf3726-74a7-4baa-a3b6-a9fecb28793a">150,000,000</ix:nonFraction></ix:nonFraction> shares, <ix:nonFraction unitRef="shares" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzQtMC0xLTEtMC90ZXh0cmVnaW9uOmNlYTRkZTJhYTBjNDRkZmY5MTEyYjE4ZjFhZWNmNDNiXzU0_c2f7cffb-520b-4d78-98ee-163f9f047cbb">112,791,565</ix:nonFraction> and <ix:nonFraction unitRef="shares" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzQtMC0xLTEtMC90ZXh0cmVnaW9uOmNlYTRkZTJhYTBjNDRkZmY5MTEyYjE4ZjFhZWNmNDNiXzYx_35ad675b-811b-42e7-8bfe-06e71f3fa3f0">112,760,051</ix:nonFraction> issued at respective dates</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CommonStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzQtMi0xLTEtMA_562ef3cf-edd3-4d72-a529-d055a4b702c1">2,687,052</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CommonStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzQtNC0xLTEtMA_0251757f-a4a9-4375-9fd1-c651f98dce90">2,677,482</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Treasury stock at cost; <ix:nonFraction unitRef="shares" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:TreasuryStockShares" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzUtMC0xLTEtMC90ZXh0cmVnaW9uOjVhYWFjZDA1ZDBiODRmYTFiMzYzYzlhMTdmM2Y0MDU3XzI4_4cc8fe69-6fc1-4e47-ab09-f130da35f6e6">44,338</ix:nonFraction> and <ix:nonFraction unitRef="shares" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:TreasuryStockShares" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzUtMC0xLTEtMC90ZXh0cmVnaW9uOjVhYWFjZDA1ZDBiODRmYTFiMzYzYzlhMTdmM2Y0MDU3XzM1_1dd96813-87ae-4fd4-a81c-390ec22e799e">72,006</ix:nonFraction> shares at respective dates</span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TreasuryStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzUtMi0xLTEtMA_694e0dac-7b03-452f-8859-e790e287ba8d">3,776</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TreasuryStockValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzUtNC0xLTEtMA_cb062c1c-dbc0-47a1-a80e-740ab7b8c994">6,289</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total common stock</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:CommonStockValueCommonAndTreasury" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzYtMi0xLTEtMA_0938c916-a9fd-4f00-956d-a0cbce9c1b11">2,683,276</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:CommonStockValueCommonAndTreasury" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzYtNC0xLTEtMA_3e6bc7f2-b76d-405c-9155-8e541994cc14">2,671,193</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Retained earnings</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RetainedEarningsAccumulatedDeficit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzctMi0xLTEtMA_5131a4ea-cebf-4cfa-bd07-cf9ea4384b2d">3,060,752</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RetainedEarningsAccumulatedDeficit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzctNC0xLTEtMA_895ee0f0-dfed-4eae-8d89-bc19320df57a">3,025,106</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzgtMi0xLTEtMA_0e44f6b7-a8b0-428b-abf8-29482e0ce447">61,512</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzgtNC0xLTEtMA_1113b09b-ee0b-4f21-ba43-49cfd43fc2ad">62,796</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total shareholders&#8217; equity</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfMzktNC0xLTEtMA_e5e68092-1f89-4f2c-b503-c961d4a1d13b">5,633,503</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Noncontrolling interests (Note 6)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:MinorityInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfNDAtMi0xLTEtMA_dfa03074-e1a5-4c5f-801f-0d225fd08279">124,164</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:MinorityInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfNDAtNC0xLTEtMA_c08244c1-c77c-4052-bed9-2c7c6a67688c">119,290</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total equity</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfNDEtMi0xLTEtMA_9b6be14f-9275-4504-974a-3ac1b347cb67">5,806,680</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfNDEtNC0xLTEtMA_a23e484a-08b5-4c11-8d49-4467e873f79c">5,752,793</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="background-color:#ffffff;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">TOTAL LIABILITIES AND EQUITY</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesAndStockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfNDMtMi0xLTEtMA_b7c301dd-a00e-4fcd-9db7-ee0b1d954d98">20,184,658</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesAndStockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNC9mcmFnOmQ1YWI4MjRlOTZmZDQ0N2FiMWY2NWI0OWMyYTE4YjAyL3RhYmxlOjYwNjRkMjEwODc0ODRjMmViMDVmYTFhZDczMDQ2NjczL3RhYmxlcmFuZ2U6NjA2NGQyMTA4NzQ4NGMyZWIwNWZhMWFkNzMwNDY2NzNfNDMtNC0xLTEtMA_f68f8093-b088-4b3b-bc81-5a52abca5df1">20,020,421</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of the 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">8</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_37"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">PINNACLE WEST CAPITAL CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</span></div><div style="text-align:center"><span 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Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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 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Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMy0xLTEtMS0w_e2240f2b-cd19-439c-89a6-75feaceffd6c">40,514</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMy0zLTEtMS0w_d1b09b9d-69ac-46b4-b1cb-95440a964682">34,866</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Adjustments to reconcile net income to net cash provided by operating activities:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Depreciation and amortization including nuclear 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNS0xLTEtMS0w_c78cb1a7-7075-4ca5-8ada-60caee952878">176,409</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNS0zLTEtMS0w_6434e0dd-0e96-4450-8068-2cc7f186ddcf">173,168</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInRegulatoryClauseRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNi0xLTEtMS0w_17abaa9e-96a8-46e5-8cef-91a30c4e2ad2">52,210</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInRegulatoryClauseRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNi0zLTEtMS0w_6e8b7692-1d69-4493-a3b6-64620cf9965c">5,785</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" name="pnw:IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNy0xLTEtMS0w_c933a397-271c-483e-bd90-84c2f135f06e">564</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNy0zLTEtMS0w_15c264bf-e474-4e77-b804-0c834a00a583">1,808</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Allowance for equity funds used during construction</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfOC0xLTEtMS0w_211d72be-e7f5-439f-a47c-8f774f62e02b">9,207</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfOC0zLTEtMS0w_e488a494-fcf9-4974-b29d-873a93e8b340">7,697</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfOS0xLTEtMS0w_4531fd78-88f2-4d47-89af-8e298035f252">11,077</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfOS0zLTEtMS0w_5e7be3ff-407e-47cd-aa31-a5ee42f81d3f">18,086</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred investment tax credit</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="pnw:DeferredInvestmentTaxCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTAtMS0xLTEtMA_e8a4b217-88e5-4b92-bbb0-9ee7e20c0d79">529</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="pnw:DeferredInvestmentTaxCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTAtMy0xLTEtMA_73818bbc-174d-49d3-a11d-be9c3b4c8e45">465</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Stock compensation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Changes in current assets and liabilities:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Customer and other receivables</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTQtMS0xLTEtMA_8f200883-5424-46b7-b1df-b52d0f3f8c80">50,545</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTQtMy0xLTEtMA_3c9db48b-975b-4414-b07a-228ae0e7e741">25,575</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accrued unbilled revenues</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInContractWithCustomerAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTUtMS0xLTEtMA_a15db368-16cb-40d6-a090-1c3bb496762e">10,163</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInContractWithCustomerAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTUtMy0xLTEtMA_c023556f-214a-4b15-a8bf-8d3e60146490">34,731</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Materials, supplies and fossil 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInInventories" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTYtMS0xLTEtMA_0c3862fe-1fec-4d5f-895a-d3a45d9a3cca">4,801</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInInventories" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTYtMy0xLTEtMA_370b96b5-214c-431b-8d81-57489439860f">5,445</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income tax receivable</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInIncomeTaxesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTctMS0xLTEtMA_7a299884-933e-4135-a782-8b157448e5f9">6,792</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInIncomeTaxesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTctMy0xLTEtMA_5e43725f-1da8-471d-ac2b-7ef60d26eb22">1,128</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other current 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTgtMS0xLTEtMA_da6f282f-fea6-4a71-bf3c-7cab2e6a92e2">9,042</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTgtMy0xLTEtMA_f6083f5c-3cd8-4ee7-968d-3e593a1026e7">20,202</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accounts payable</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccountsPayable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTktMS0xLTEtMA_00dfe117-1639-4ad6-9043-2c103025e7fe">24,465</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccountsPayable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMTktMy0xLTEtMA_97d454ef-b561-4a6c-a4d0-77997336083b">5,192</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accrued 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccruedTaxesPayable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjAtMS0xLTEtMA_6a340d18-1646-4fe0-aedb-c31058c58000">53,985</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccruedTaxesPayable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjAtMy0xLTEtMA_a02fcaef-9f07-44ec-a292-1255f3c8e13a">49,833</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other current liabilities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherAccruedLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjEtMS0xLTEtMA_77224263-9c8e-43ba-a077-8ba946247c40">46,028</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherAccruedLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjEtMy0xLTEtMA_0d8068bb-80dd-44b6-8093-b8337dff3d8e">63,096</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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="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 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Change in other long-term 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseInOtherNonCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjUtMS0xLTEtMA_93223ef4-8bda-43ec-aabd-ceeb9797dc4d">36,777</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseInOtherNonCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjUtMy0xLTEtMA_2df17bea-6609-4742-a174-2775c3040f81">81,143</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Change in other long-term liabilities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherOperatingLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjYtMS0xLTEtMA_67d64028-30a2-44a8-9146-a7cd7c865ddf">1,963</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherOperatingLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjYtMy0xLTEtMA_691dd88e-d3dd-4a09-81e5-5e5ebfb3d52a">106,212</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net cash flow provided by operating 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjctMS0xLTEtMA_5ea62568-c389-4166-917c-8bd4cbc6ab02">202,012</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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjctMy0xLTEtMA_47e057da-3100-412a-90ff-4e70c2e52bdd">183,628</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">CASH FLOWS FROM INVESTING ACTIVITIES</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Capital expenditures</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsToAcquireProductiveAssets" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMjktMy0xLTEtMA_50bcf377-f0ee-457f-90fb-d87516ba37d3">340,014</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Contributions in aid of construction</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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borrowed funds used during construction</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzEtMS0xLTEtMA_44116ade-649c-4a54-8c4f-44df00e80059">4,994</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzItMS0xLTEtMA_cdd631a4-a7d5-4968-9626-597aab4a1194">379,978</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzItMy0xLTEtMA_4d2ba328-91b5-488b-8d7d-cf239d8dbb26">195,087</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Investment in nuclear decommissioning trust and other special use funds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzMtMS0xLTEtMA_579dc95b-5b10-4ab6-b5f7-546b2b946eb3">380,548</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 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0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:PaymentsForProceedsFromOtherInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzQtMy0xLTEtMA_773e7567-c009-4187-ae4e-889a461a8d96">349</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzUtMS0xLTEtMA_6c791a97-fad7-4c92-91b2-8da5a9bfca45">348,069</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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzUtMy0xLTEtMA_9be00237-ba14-4a9a-9327-47dcc2c3393d">341,160</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><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">CASH FLOWS FROM FINANCING ACTIVITIES</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Issuance 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzctMS0xLTEtMA_434ad706-da75-4313-baf6-f00f5ca088b0">150,000</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: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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzctMy0xLTEtMA_19a728b3-2873-4e65-b58c-b52ac3f16727">&#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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Short-term borrowing and (repayments) &#8212; net</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:ProceedsfromRepaymentsofShorttermDebtNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzktMS0xLTEtMA_4dea0a84-25cf-46b4-b501-eec106b0c7a9">49,750</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:ProceedsfromRepaymentsofShorttermDebtNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfMzktMy0xLTEtMA_9a4c4822-3a85-4bbc-95cd-30e4483eeada">76,675</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Short-term debt borrowings under revolving credit facility</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:ProceedsFromLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDAtMS0xLTEtMA_ca368a5d-77c2-473b-a7c1-ccebb18971fd">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDAtMy0xLTEtMA_b8966de6-3c4c-4022-b7ba-ab2025f8d163">751,690</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Short-term debt repayments under revolving credit facility</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RepaymentsOfLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDEtMS0xLTEtMA_68f49fc9-2767-4d2e-a27e-2838b5f950ea">4,000</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RepaymentsOfLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDEtMy0xLTEtMA_d27f27a2-a5d4-4c45-9222-4d4dfef42459">226,690</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Dividends paid on common stock</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsOfDividendsCommonStock" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDItMS0xLTEtMA_06a804ab-9a84-4033-a1b8-0bdefedba9a6">91,721</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 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Repayment of long-term debt</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:RepaymentsOfLongTermDebt" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDMtMS0xLTEtMA_f3796177-2e62-4f1f-b403-363dff6c58a4">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RepaymentsOfLongTermDebt" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDMtMy0xLTEtMA_36297d66-960e-46fd-bd78-d995fc151082">150,000</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Common stock equity issuance &#8212; net of 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:ProceedsFromRepurchaseOfEquity" scale="3" 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name="us-gaap:NetCashProvidedByUsedInFinancingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNDctMy0xLTEtMA_811eb183-baa7-4d44-9582-a2688f016d61">210,388</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">NET INCREASE 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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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" scale="3" 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style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNTEtMS0xLTEtMA_5784a11d-6376-482a-a568-f6b5061e658c">59,968</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i53e9613d3e77446a96ab0d7929d8e0bb_I20191231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNTEtMy0xLTEtMA_e2b5f933-9d4e-4c5d-82c6-b0482101677d">10,283</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">CASH AND CASH EQUIVALENTS AT END OF PERIOD</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNTMtMS0xLTEtMA_f69caa8a-96eb-495c-9d5e-6cd7ba785ba8">17,202</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7cbfd4bc6f0a4f109ace9c4af831c9d0_I20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8zNy9mcmFnOmNhZmI4ZmFiOWY1ODRjNTliNWNhOTI1ODIxNmZlMmJjL3RhYmxlOjlkYzZhOWQ2NDlmYjQ2YzFhZDZjOThlYjA4YTBkYzZjL3RhYmxlcmFuZ2U6OWRjNmE5ZDY0OWZiNDZjMWFkNmM5OGViMDhhMGRjNmNfNTMtMy0xLTEtMA_e6465aba-db5c-41a4-a8cb-44fe528efa7e">63,139</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="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of the financial statements.</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">9</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_40"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">PINNACLE WEST CAPITAL CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(unaudited)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(dollars in thousands)</span></div><div style="margin-bottom:11pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"><tr><td style="width:1.0%"></td><td style="width:21.366%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.444%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.270%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.388%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.682%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.563%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.060%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.619%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.570%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="45" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Three Months Ended March 31, 2021</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Stock</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 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solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i93ab25882af349fba21d4df677d7dca0_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" 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style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfNS0xNS0xLTEtMA_6563efd4-ecf3-4fc7-8aae-ecb4d783b99b">1,284</ix:nonFraction>&#160;</span></td><td 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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:'Times New Roman',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="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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="pnw:DividendsCommonStockNet" scale="3" 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style="color:#000000;font-family:'Times New Roman',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="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:'Times New Roman',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="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:'Times New Roman',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="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:'Times New Roman',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="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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4b31d4949e0e410297fbfac2acca1c45_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTAtMTMtMS0xLTA_d255cc67-033a-47d8-aa49-03cfc195ba4d">1</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTAtMTUtMS0xLTA_8bf54ea4-b8f0-4ec3-82ef-e51d7de2bc2b">1</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance, March 31, 2021</span></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTEtMy0xLTEtMA_18328799-63ec-43eb-bf79-c180d978e617">2,687,052</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="ic7f21b08ac8341459a503d5a1c15d86d_I20210331" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTEtNS0xLTEtMA_9cea7484-f7ac-48d1-b395-655cfe0f0891">44,338</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic7f21b08ac8341459a503d5a1c15d86d_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTEtNy0xLTEtMA_a7844b73-49d6-4c95-83aa-e261394701ea">3,776</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i16c95a89a4b14e44bf34192dfb4aec1b_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTEtOS0xLTEtMA_8ab3fd1e-9433-49af-ad43-34c88cb017b2">3,060,752</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9391d7983ca54e0cb87811523e1a0a5b_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTEtMTEtMS0xLTA_cff11650-50ff-48c1-ba01-73ad175ba33f">61,512</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia99b4d6324f1412b9df2ed746a6f58bb_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTEtMTMtMS0xLTA_790fbd96-1c0e-48ca-8218-41bf99df66d2">124,164</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOmY3MGU4YzRkOWQ0NzRkMjM5OWU5MGM2MWNjNDNmZmQyL3RhYmxlcmFuZ2U6ZjcwZThjNGQ5ZDQ3NGQyMzk5ZTkwYzYxY2M0M2ZmZDJfMTEtMTUtMS0xLTA_94ecb8f4-5b0c-44f3-ba0e-0735e0451cbf">5,806,680</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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-bottom:11pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"><tr><td style="width:1.0%"></td><td style="width:21.366%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.444%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.270%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.388%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.682%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.563%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.060%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.619%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.570%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="45" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Three Months Ended March 31, 2020</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Stock</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Treasury Stock</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Retained Earnings</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Accumulated Other Comprehensive Income (Loss)</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Noncontrolling Interests</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></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:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Shares</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount</span></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:2px 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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 #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance, January 1, 2020</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ibd51c6d396a8467f9de48dbbb12b281f_I20191231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMy0xLTEtMS0w_af17e0d6-be07-4ce9-b446-959881f8f9f3">112,540,126</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibd51c6d396a8467f9de48dbbb12b281f_I20191231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMy0zLTEtMS0w_c58a8afd-b2d7-4ba7-a66b-371dff37931f">2,659,561</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="ifb0f31281ab34572984fa58f65b2378c_I20191231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMy01LTEtMS0w_5986fead-8781-43c7-b83b-ce76225e28c4">103,546</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',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="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:'Times New Roman',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="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="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfNy0xNS0xLTEtMA_ca9d9210-0a70-4caf-8e29-46591616483c">4,826</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Purchase of treasury stock (a)</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" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfOS03LTEtMS0w_f3449e46-1c00-40eb-82b5-82b32959faca">4,513</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="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:'Times New Roman',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="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:'Times New 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Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iabac61b3f873442da492b50c4b17f5df_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMTEtOS0xLTEtMA_5a76401e-e654-4a2a-92f3-340e656e8de4">1</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:'Times New Roman',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="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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibe8ca74f4a06486aae91f05fa2d9edba_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMTEtMTMtMS0xLTA_b690f563-a132-4a0a-b420-f5f3fe6131c8">1</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMTEtMTUtMS0xLTA_9d12bfb5-ca3d-4201-a33c-4fa8386f12b1">&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance, March 31, 2020</span></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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#000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3b6a1e5239f044fcbbd1b0696b23e087_I20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMTItMy0xLTEtMA_0e1b6eab-0ea4-45f9-8866-c12b5cb75ec7">2,664,387</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="ib5a42fef02d14611a269fe89850e1ea7_I20200331" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMTItNS0xLTEtMA_19f6022d-fdba-4443-ade4-88b93696ce27">72,302</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib5a42fef02d14611a269fe89850e1ea7_I20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" 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style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia5b4e987a96d4fe5987a5562eaff56bb_I20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RhYmxlOjYyZDY3YjUyMmY4ZTQxOTM5OTk0ZjBhOTI3ZDMxZDE2L3RhYmxlcmFuZ2U6NjJkNjdiNTIyZjhlNDE5Mzk5OTRmMGE5MjdkMzFkMTZfMTItOS0xLTEtMA_cf858670-7b57-4a12-8dc8-729c9e518ecb">2,867,610</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 1pt 2px 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80MC9mcmFnOjg4MjY3NzdhNmM4MDRlOWQ4ODI3YmY3ODY3YjU2ODUyL3RleHRyZWdpb246ODgyNjc3N2E2YzgwNGU5ZDg4MjdiZjc4NjdiNTY4NTJfNjI4_fac8584d-db4e-4b9d-bdf9-7fd343fcf4d7" footnoteRole="http://www.xbrl.org/2003/role/footnote">Primarily represents shares of common stock withheld from certain stock awards for tax purposes.</ix:footnote></span></div><div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;</span></div><div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of the financial statements.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div 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name="us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfNy01LTEtMS0w_8551bf14-3fda-4cd9-ab15-8e4d2d9667d0">218,265</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Depreciation and 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style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostOfGoodsAndServicesSoldDepreciationAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfOC01LTEtMS0w_b023cd38-b395-4ab6-a773-6d1407486b80">154,058</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Taxes other than income taxes</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfOS0zLTEtMS0w_ca8eedf3-c5b2-4a2b-ae3d-4602deec4a8c">59,472</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfOS01LTEtMS0w_ccb8b71e-de8e-4aee-afc3-7b088ece26eb">56,758</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other 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0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" name="us-gaap:OtherCostAndExpenseOperating" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTAtNS0xLTEtMA_303f16ab-1856-4419-9906-bbd8dddac65e">822</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></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;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CostsAndExpenses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTEtMy0xLTEtMA_d9ea7f6e-77cb-4e73-a94d-28d9e3b1bd6c">645,256</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" 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0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingIncomeLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTItNS0xLTEtMA_971c5738-55b6-49cc-9013-e58760c78a3b">43,506</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid 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style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Allowance for equity funds used during construction</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTQtMy0xLTEtMA_2ba53708-6ec1-434a-8782-0e19f6611700">9,207</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTQtNS0xLTEtMA_f00e50d0-f994-4eb3-bb03-ec47d1dbcf9a">7,697</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Pension and other postretirement non-service credits &#8212; net</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTUtMy0xLTEtMA_0a876d8c-b832-4ec8-ba92-b6ed63158aef">27,837</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTUtNS0xLTEtMA_a5bfb52d-6a82-431c-8379-fba15fe1b8a3">14,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other income (Note 9)</span></div></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTYtMy0xLTEtMA_8d300ef8-bb92-41b0-9505-6055f1929aed">11,960</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTYtNS0xLTEtMA_5963fe8a-ae72-4239-bd08-3a8cac9adaa7">11,633</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other expense (Note 9)</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTctMy0xLTEtMA_7eb4754f-30a6-4b5d-ade5-42843324128d">3,350</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTctNS0xLTEtMA_7328272c-fc38-49e1-8b33-6647608853ce">4,668</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="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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 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style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NonoperatingIncomeExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMTgtNS0xLTEtMA_4223df98-d26d-40a2-b7aa-e2bccd7b6df9">28,924</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">INTEREST EXPENSE</span></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;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Interest charges</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestCostsIncurred" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjAtMy0xLTEtMA_ee2fbcf1-e796-43d9-968f-4f9ac0d49a67">59,388</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestCostsIncurred" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjAtNS0xLTEtMA_341b8d13-18a5-48b6-907a-c87ad094b6ce">55,736</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjEtMy0xLTEtMA_4cb6cdc0-b799-4cfe-ae57-116e9201f0f6">4,994</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjEtNS0xLTEtMA_05e6301f-ef27-4677-84f4-df2000d8de0a">4,076</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="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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjItMy0xLTEtMA_c0a14ef9-cedc-4732-8881-932338fd40fa">54,394</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjItNS0xLTEtMA_17542995-db60-4cfc-896d-c44efccccb50">51,660</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">INCOME BEFORE INCOME TAXES</span></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;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjMtMy0xLTEtMA_d0201b7f-2972-4bd7-bb53-8053b1ca6ad2">42,479</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjMtNS0xLTEtMA_63f3a171-7c85-49ee-878c-1b5a594eab67">20,770</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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">INCOME TAXES</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjQtMy0xLTEtMA_898a6996-e351-4733-930e-d2d91f65eb16">2,319</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjQtNS0xLTEtMA_b1834408-a07f-459e-99f5-ed8fd08ddab3">19,448</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">NET INCOME</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 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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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjUtNS0xLTEtMA_061d77f1-3c75-44f2-b694-c4f1c8493d45">40,218</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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Less: Net income attributable to noncontrolling interests (Note 6)</span></div></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80Ni9mcmFnOmRiNDVjM2E4M2JkNjRiYmJhM2QxNmQ1YjkxZGU0MDY3L3RhYmxlOjRjYTBlNDhiYjk5MjQ2MjU4MzkwZGJlZmY0MmUyMmE0L3RhYmxlcmFuZ2U6NGNhMGU0OGJiOTkyNDYyNTgzOTBkYmVmZjQyZTIyYTRfMjYtMy0xLTEtMA_358e794a-b3d0-4cd5-8ac0-bf6d5cc4f42d">4,873</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of the financial statements.</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">11</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_49"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"> ARIZONA PUBLIC SERVICE COMPANY</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(unaudited)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(dollars in thousands)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table 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Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net unrealized gain, net of tax benefit of $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfNy0zLTEtMS0w_eb6bfa20-bb73-40b9-8aec-ac6e04c30b58">292</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reclassification of net realized loss, net of tax expense of $<ix:nonFraction unitRef="usd" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfOC0wLTEtMS0wL3RleHRyZWdpb246NGVhNGU4ODMwNGYzNGE1MmIwMDI0YjNlZmViODRjZDVfNjk_bedb67cd-26d1-4c79-bb01-3f3ac9bb1eaa">394</ix:nonFraction></span></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfOC0xLTEtMS0w_2f2d742d-4026-4bb0-b0b8-f2feedcfed46">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfOC0zLTEtMS0w_879cbf2d-9ae4-4d59-a1bc-5a07648bb79b">20</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Pension and other postretirement benefits activity, net of tax expense of  $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfOS0wLTEtMS0wL3RleHRyZWdpb246ZTk5NzI5MTYyN2E0NDVmYTk0ZTdiYmQ0MDk3OTE3ZjhfODg_f435a817-56d5-4132-aa66-2aec350e7f5a">305</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfOS0wLTEtMS0wL3RleHRyZWdpb246ZTk5NzI5MTYyN2E0NDVmYTk0ZTdiYmQ0MDk3OTE3ZjhfOTI_ab5319f7-09a7-4305-a567-75e1a83cc42f">237</ix:nonFraction></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfOS0xLTEtMS0w_a41adfa2-feff-48d3-901c-23e1232192d4">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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfOS0zLTEtMS0w_67fb5295-3009-4c5d-904e-262a7a8597c3">1,013</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total other comprehensive income</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfMTAtMS0xLTEtMA_bd51771d-b422-4d62-ae6d-95837d47536d">927</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfMTAtMy0xLTEtMA_6d94dca7-e79d-49d1-b9e9-66539bc5aa85">1,325</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></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;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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">COMPREHENSIVE INCOME</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfMTItMS0xLTEtMA_4ca72988-6f91-46a9-938a-daa245e7d031">41,087</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfMTItMy0xLTEtMA_56284dcb-7d91-482d-82bb-5e7c7e8b0ed2">41,543</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Less: Comprehensive income attributable to noncontrolling 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfMTMtMS0xLTEtMA_8c9f6540-1e6d-4265-aabf-d71223c91f84">4,873</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV80OS9mcmFnOjZkZTdhOTNmNTViNzQ2YmQ5YmNmMTJiZWYyMjVmN2E0L3RhYmxlOjhkNTUyYzE5M2Y5YTQzZjViZWZiYzQ2ZGUyMzI1NmYwL3RhYmxlcmFuZ2U6OGQ1NTJjMTkzZjlhNDNmNWJlZmJjNDZkZTIzMjU2ZjBfMTMtMy0xLTEtMA_b46be2ad-3dde-45fd-b88b-853a28f1211c">4,873</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PropertyPlantAndEquipmentGross" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfNC00LTEtMS0w_66979b88-0558-453b-b2e9-5359491cad3f">20,834,424</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 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style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total property, plant and equipment</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet" scale="3" 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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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMTctMi0xLTEtMA_925f0954-cd30-475a-b97b-55c390fc1f22">44,829</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 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMTgtMi0xLTEtMA_2d64113f-e845-4fe4-8bf8-670b44472b8d">1,562,034</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:TotalInvestmentsAndOtherAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMTgtNC0xLTEtMA_7c3c7207-1474-4900-9169-2005afdbf65b">1,438,954</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">CURRENT ASSETS</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Cash and cash equivalents</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjEtMi0xLTEtMA_ba5dc28c-d940-490e-a1bc-7f73145195cb">14,536</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjEtNC0xLTEtMA_d040a8b1-3d50-4886-8dd8-119f5746b7cf">57,310</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Customer and other receivables</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableGrossCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjItMi0xLTEtMA_ac1a0cc2-39b2-497d-acb1-cc13946fbdd2">262,636</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsReceivableGrossCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjItNC0xLTEtMA_c6d1c3e1-bae1-4468-a0c7-74d033123ff1">312,644</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Accrued unbilled revenues</span></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:'Times New 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doubtful accounts</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjQtMi0xLTEtMA_cbd42fc5-4886-41f8-a0a0-fdb7cbbaccc1">20,405</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjQtNC0xLTEtMA_fecf3143-bedd-421e-a895-933a776b5555">19,782</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Materials and supplies (at average cost)</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherInventorySupplies" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjUtMi0xLTEtMA_33c0a317-7179-4e75-8ef0-bb296fed2e1b">314,702</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherInventorySupplies" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjUtNC0xLTEtMA_9492f23b-f01b-4719-91d2-25d803fe4467">314,745</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Fossil fuel (at average cost)</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:EnergyRelatedInventoryOtherFossilFuel" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjYtNC0xLTEtMA_0136bf4e-c055-4748-b1d3-5544694dab9d">19,552</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Assets from risk management activities (Note 7)</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedges" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjgtMi0xLTEtMA_b85997cc-5b2e-46ee-b3dc-3a465d0ebded">22,611</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedges" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjgtNC0xLTEtMA_5c528f31-9590-4644-bbd8-e504ca795c1c">2,931</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred fuel and purchased power regulatory asset (Note 4)</span></div></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjktMi0xLTEtMA_51c08f6e-3dda-49be-bfd5-e491f1baf2ec">228,609</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMjktNC0xLTEtMA_c284f6c1-1122-4d83-955a-1486f57f9ada">175,835</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other regulatory assets (Note 4)</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzAtMi0xLTEtMA_80e82a84-446a-4c4d-9d54-f04c2e54c69c">111,271</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzAtNC0xLTEtMA_ffa21ed0-d5c4-48a4-b1d6-ec0f80b83dde">115,878</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other current assets</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzEtMi0xLTEtMA_d3930e49-01d2-4d8b-9e81-71bbb64dac5a">56,987</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherAssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzEtNC0xLTEtMA_392b19e7-8aef-4f6d-964e-cdab9b3975d6">47,593</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total current assets</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzItMi0xLTEtMA_73c745c2-77a4-4d22-a522-7a442494272c">1,137,377</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzItNC0xLTEtMA_267bf3c2-baa6-4681-b60d-576ab86b56a2">1,158,903</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:#cceeff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">DEFERRED DEBITS</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Regulatory assets (Note 4)</span></div></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzUtMi0xLTEtMA_e206be2a-7723-4e53-9d1c-71325051d223">1,135,857</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzUtNC0xLTEtMA_b1547dd8-e3d0-4b16-abea-57489eaae09d">1,133,987</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Operating lease right-of-use assets</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingLeaseRightOfUseAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzYtMi0xLTEtMA_e3a21dd3-a8c4-4ba5-8930-a19740bfd9fb">501,395</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingLeaseRightOfUseAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzYtNC0xLTEtMA_9e697c2a-0e4e-4922-9a91-20225a8d3370">503,475</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Assets for pension and other postretirement benefits (Note 5)</span></div></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzctMi0xLTEtMA_3eb3bd74-5fc4-4502-ab54-86fe34656664">410,933</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzctNC0xLTEtMA_dd33a338-e774-40c4-ad3d-71df413f9dc8">495,673</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherDeferredCostsNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzgtMi0xLTEtMA_ff4f47d0-5d29-4b65-a924-b71223ef4d94">35,751</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherDeferredCostsNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzgtNC0xLTEtMA_22e2b62b-c29c-4f71-904e-4324bd1a1207">34,413</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total deferred debits</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:TotalDeferredDebits" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzktMi0xLTEtMA_40311d69-3def-4543-b454-86e0c3f856f0">2,083,936</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:TotalDeferredDebits" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81Mi9mcmFnOmM2NGM2MmVhNmU4OTQxYzhhZjkzOWEzMjhlZjU0YjY5L3RhYmxlOjg3ZGQ5YjhkMDJiMDQ1Y2ZiNWYwYTlhYzkxZGVjZGFhL3RhYmxlcmFuZ2U6ODdkZDliOGQwMmIwNDVjZmI1ZjBhOWFjOTFkZWNkYWFfMzktNC0xLTEtMA_2d7de33f-5c2a-404a-847f-63b1cb819563">2,167,548</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">TOTAL ASSETS</span></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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thousands)&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:70.935%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:12.516%"></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:12.517%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">March 31,<br/>2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td></tr><tr style="height:14pt"><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">CAPITALIZATION</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Common stock</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CommonStockValueOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfNC00LTEtMS0w_6c3b668b-d38b-4fda-aa7c-853e4e4d84a0">178,162</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 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style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfNy00LTEtMS0w_985c63bf-3558-473e-be55-90c08e104af0">40,918</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total shareholder equity</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfOC0yLTEtMS0w_4887b824-fddc-40fa-8209-7ff555f40db3">6,262,111</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfOC00LTEtMS0w_5ee63e08-573e-457d-b388-1989e2a40fce">6,225,895</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Noncontrolling interests (Note 6)</span></div></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:MinorityInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfOS0yLTEtMS0w_7cd62068-8d2e-4b98-9e28-6caa3f610b56">124,164</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:MinorityInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfOS00LTEtMS0w_c2a8225c-211c-4c89-8624-e3e93d340246">119,290</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total equity</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTAtMi0xLTEtMA_2417d31b-a506-4268-bd70-b818caff72ac">6,386,275</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTAtNC0xLTEtMA_a5e5e790-cb51-434f-ac9d-7b19f5de474a">6,345,185</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Long-term debt less current maturities (Note 3)</span></div></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTEtMi0xLTEtMA_55e86db7-dd3f-4d41-be11-8e4ffb8d8c82">5,818,520</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTEtNC0xLTEtMA_ff77712a-d80c-4793-8ebb-0a350f67a166">5,817,945</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total capitalization</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTItMi0xLTEtMA_1a080e4f-f4a6-463f-af63-b98c32de2cd0">12,204,795</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTItNC0xLTEtMA_d7d7cc9b-1463-48b6-afbb-7eae74d40696">12,163,130</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">CURRENT LIABILITIES</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</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="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Short-term borrowings (Note 3)</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ShortTermBorrowings" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTYtMi0xLTEtMzA2Mg_7bc00fa3-ad7d-4e6f-b4aa-37dd40060c5a">199,500</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:ShortTermBorrowings" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTYtNC0xLTEtMzA2Mg_9d53807b-61af-42a6-83bc-8aafd2557ae7">&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Accounts payable</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccountsPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTYtMi0xLTEtMA_41819a86-b3ed-4da2-909d-0daac65f19f7">301,675</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TaxesPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTctMi0xLTEtMA_ac28295a-1399-4271-94f9-535913d415e1">211,174</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:TaxesPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTctNC0xLTEtMA_0c058aa7-97cf-44eb-8cc9-80be78c6ce42">148,970</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Accrued interest</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTgtMi0xLTEtMA_cdea5839-4f31-4363-8f0d-b34000d9ff63">56,454</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTgtNC0xLTEtMA_576687f2-bfb9-43c1-bd3c-30bb7547092d">56,322</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Common dividends payable</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DividendsPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTktMi0xLTEtMA_fc51b7fb-39aa-4b48-8055-a3f29c1a90c4">&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DividendsPayableCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMTktNC0xLTEtMA_ba16f799-f9de-4dd3-8618-663de18ad5c4">93,500</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Customer deposits</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ContractWithCustomerLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjAtMi0xLTEtMA_1ff3fbaa-d83c-43bf-a9c9-18f25605d28d">45,170</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ContractWithCustomerLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjAtNC0xLTEtMA_7c956648-372e-403c-b2e6-eb841191c755">48,340</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Liabilities from risk management activities (Note 7)</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedgesLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjEtMi0xLTEtMA_f1db3589-d091-4b00-aa5b-dfca4de96dfc">3,067</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsAndHedgesLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjEtNC0xLTEtMA_ee0b2b1a-11b0-4c23-a7e3-bf02b2694870">7,557</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Liabilities for asset retirements</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetRetirementObligationCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjItMi0xLTEtMA_b6891574-7705-430d-94b6-5706a8238073">16,021</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Operating lease liabilities</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingLeaseLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjQtMi0xLTEtMA_34798d57-ad6a-43e9-b62e-64201aa32ff3">74,235</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OperatingLeaseLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjQtNC0xLTEtMA_3a3412f3-a34b-4be2-aab2-2edd9ea7e76a">74,695</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Regulatory liabilities (Note 4)</span></div></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjUtMi0xLTEtMA_fdd4df33-3a0f-4375-8939-8cd86139b6df">250,228</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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liabilities</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherLiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjYtMi0xLTEtMA_afe56f21-1d6c-4fba-b7ee-29f89302e6c3">152,290</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherLiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjYtNC0xLTEtMA_fd3f58f8-4c3c-441c-8333-89a34afb3538">190,420</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total current liabilities</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjctMi0xLTEtMA_ebf9d1e3-0596-40e4-9fa5-bd7db4f90f48">1,309,814</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjctNC0xLTEtMA_7d0c4af1-5dbc-4dd3-9555-75c005ff5a3d">1,176,177</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">DEFERRED CREDITS AND OTHER</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred income taxes</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjktMi0xLTEtMA_dd35adde-ef9b-4d63-9d25-ffc9b40fe186">2,150,668</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMjktNC0xLTEtMA_9a08cccf-13c5-46d0-91ce-fd40c772a7f3">2,143,673</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Regulatory liabilities (Note 4)</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzAtMi0xLTEtMA_19cd034b-09a3-4650-bd8b-a8d5f757d50e">2,427,769</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzAtNC0xLTEtMA_48712040-d310-4b5c-91d3-457dc0a24db1">2,450,169</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Liabilities for asset retirements</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetRetirementObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzEtMi0xLTEtMA_d7484119-775c-4152-8fbb-596dd2b4aebd">693,383</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetRetirementObligation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzEtNC0xLTEtMA_7044fee4-c0f8-44a4-a72a-1818498c65a8">689,497</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Liabilities for pension benefits (Note 5)</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzItMi0xLTEtMA_216bafe5-3c3b-4a7b-9015-847eee9efc56">147,235</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="padding-left:6.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Liabilities from risk management activities (Note 7)</span></div></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzMtMi0xLTEtMA_73a20813-ba25-445b-b9ca-f56645b04755">6,928</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilitiesNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzMtNC0xLTEtMA_053fed77-e9c8-4ff0-b7c8-fa36f07a4c1d">11,062</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Customer advances</span></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:'Times New 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reclamation</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:MineReclamationAndClosingLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzUtMi0xLTEtMA_5273448b-1a73-4203-a8bc-c2992b2ca662">171,227</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:MineReclamationAndClosingLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzUtNC0xLTEtMA_e6a4e032-4f29-4ff1-89f0-0091312c2bb1">170,097</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred investment tax credit</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccumulatedDeferredInvestmentTaxCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzYtMi0xLTEtMA_4d180047-a0f4-4db5-9420-ff1f38abc07e">190,842</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AccumulatedDeferredInvestmentTaxCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfMzYtNC0xLTEtMA_d4e14d64-2acb-4166-8e96-acc99190697c">191,372</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Unrecognized tax benefits</span></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DeferredCreditsAndOtherLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81NS9mcmFnOjFmMGQ2NGMyODI1ODQ0YzhiZjZmOWM3YjQwNTgzODhiL3RhYmxlOjhlMTdiNzNjNzZkNjQ5MWI5MTdhZmFiMmJjNWJhMTY2L3RhYmxlcmFuZ2U6OGUxN2I3M2M3NmQ2NDkxYjkxN2FmYWIyYmM1YmExNjZfNDAtNC0xLTEtMA_1051f52f-ce96-4c2b-b580-7db5f5263c0e">6,584,944</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Times New 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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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LiabilitiesAndStockholdersEquity" scale="3" 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Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">14</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_58"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">ARIZONA PUBLIC SERVICE COMPANY</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(unaudited)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(dollars in 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31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMy0xLTEtMS0w_d5864056-07a6-434f-b6a4-1e5d587ff198">40,160</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMy0zLTEtMS0w_bad73aa8-aa98-4476-97ed-67791599dfec">40,218</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Adjustments to reconcile net income to net cash provided by operating activities:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Depreciation and amortization including nuclear 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNS0xLTEtMS0w_cc3f1dc8-b17c-489a-a014-02d0620c7c82">176,389</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DepreciationDepletionAndAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNS0zLTEtMS0w_8f646a32-1d1c-4b12-9c43-bc3a4c8916e2">173,147</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInRegulatoryClauseRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNi0xLTEtMS0w_f64b7d33-8da8-49b0-b09e-6972d97c2543">52,210</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInRegulatoryClauseRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNi0zLTEtMS0w_c7a2f870-6f83-4b28-9ca0-25904f624109">5,785</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" name="pnw:IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNy0xLTEtMS0w_d52cbb0f-d96a-4e3a-84d0-9bc94cd4a7b1">564</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNy0zLTEtMS0w_3a25d8ab-0390-44be-ae69-19cc8f941605">1,808</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Allowance for equity funds used during construction</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfOC0xLTEtMS0w_4539c098-d84d-4050-8740-c97384f4d994">9,207</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfOC0zLTEtMS0w_a6947329-1650-45d6-82b0-fc984b9fe5fb">7,697</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfOS0xLTEtMS0w_b1460706-eb7d-4782-83eb-bd8a3e4b4cb1">2,616</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DeferredIncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfOS0zLTEtMS0w_ca684cb0-df1e-4d5a-bfac-3012fd9bf7db">17,782</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred investment tax credit</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" name="pnw:DeferredInvestmentTaxCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTAtMS0xLTEtMA_dabd7d02-8618-48ba-a4bd-7107caba696f">529</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" name="pnw:DeferredInvestmentTaxCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTAtMy0xLTEtMA_8911596b-d849-4565-8887-f87d012019ed">465</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Changes in current assets and liabilities:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTMtMS0xLTEtMA_941d0932-4f54-4af8-ab46-ee29729e8687">50,103</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTMtMy0xLTEtMA_a6d97da7-147f-4669-9af5-d0b45bddcf44">15,045</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accrued unbilled revenues</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInInventories" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTUtMy0xLTEtMA_bbc6cd12-8ec4-413d-855a-2931cfa11265">5,445</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income tax receivable</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:IncreaseDecreaseInIncomeTaxesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTYtMS0xLTEtMA_ac1e0f60-ebb1-4aa8-8f4d-eb6b3608c483">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInIncomeTaxesReceivable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTYtMy0xLTEtMA_77624595-d6ef-46ca-83f2-7fb94a1ccd07">1,411</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:#cceeff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other current assets</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTctMS0xLTEtMA_119bbb08-1884-4d65-9687-cfb57da3539e">8,825</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTctMy0xLTEtMA_313e5c90-996d-4192-9747-13093dc6f52b">18,164</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accounts payable</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Accrued taxes</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccruedTaxesPayable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTktMS0xLTEtMA_f312015a-3182-4fe3-87be-9a12d12314ae">62,204</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInAccruedTaxesPayable" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMTktMy0xLTEtMA_5e94d6c0-c9e7-4458-98bb-b996ddca87be">54,243</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherAccruedLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjAtMS0xLTEtMA_0b7c94e1-31b2-4d29-8ec4-784a0fc9ae6c">43,917</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherAccruedLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjAtMy0xLTEtMA_e3265c1f-c8d8-44be-800a-0d86c22acacc">49,149</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="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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times 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0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseInOtherNonCurrentAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjMtMy0xLTEtMA_23f4bd94-5dff-4add-b394-168553076505">82,178</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Change in other long-term 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherOperatingLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjQtMS0xLTEtMA_cec106c9-ec02-4999-94da-cb2d8b6449dd">642</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInOtherOperatingLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjQtMy0xLTEtMA_c232605f-7cd7-476b-9bea-b67659431a47">105,117</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net cash flow provided by operating activities</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjUtMy0xLTEtMA_4015c334-96aa-4f41-abed-e5094be1257e">193,591</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">CASH FLOWS FROM INVESTING ACTIVITIES</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Capital expenditures</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsToAcquireProductiveAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjctMS0xLTEtMA_8a6a8f75-5157-4a25-863b-de8a676a3591">363,775</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsToAcquireProductiveAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjctMy0xLTEtMA_26cee5be-27e6-4163-8474-9c50b122afb8">340,014</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Contributions in aid of construction</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromContributionInAidOfConstruction" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjgtMS0xLTEtMA_31634261-f914-468e-9f54-083fa5d3c980">15,296</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromContributionInAidOfConstruction" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjgtMy0xLTEtMA_36d5d85a-ce24-49c8-8dd8-fc5d4627d1ed">3,152</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Allowance for borrowed funds used during construction</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjktMS0xLTEtMA_30bd1ce6-bf06-46d1-aaa8-a3399f781cd5">4,994</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMjktMy0xLTEtMA_bae52015-a4f9-4c5a-b139-a82f6ed9b407">4,076</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Proceeds from nuclear decommissioning trust sales and other special use funds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzAtMS0xLTEtMA_a368de89-2239-46dc-ae7b-9bb24cf84eb7">379,978</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzAtMy0xLTEtMA_47342641-9810-4ec0-8cfb-505bd27ae9c6">195,087</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Investment in nuclear decommissioning trust and other special use funds</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzEtMS0xLTEtMA_2713edd6-2c99-4a04-a19f-e1a89dba1849">380,548</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzEtMy0xLTEtMA_a169343c-1986-4117-b7aa-a1b73db052cf">195,658</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PaymentsForProceedsFromOtherInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzItMS0xLTEtMA_4ce3a9d5-4006-4f40-b9ca-788a9ee288d6">2,306</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" name="us-gaap:PaymentsForProceedsFromOtherInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzItMy0xLTEtMA_d4e9020e-a00c-4218-bbef-8cf1f72404a9">900</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:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net cash flow used for investing activities</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzMtMS0xLTEtMA_07eea156-74ad-4664-8858-f31a4a5a55fe">351,737</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzMtMy0xLTEtMA_3ed26802-2293-444e-989c-7efb57bcf795">342,409</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">CASH FLOWS FROM FINANCING ACTIVITIES</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></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:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Short-term borrowings and (repayments) &#8212; net</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="pnw:ProceedsfromRepaymentsofShorttermDebtNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzYtMy0xLTEtMA_9bb2516a-4798-4ade-9def-018fe8a98ed8">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Short-term debt borrowings under revolving credit facility</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:ProceedsFromLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzctMS0xLTEtMA_b152f699-32cb-4f54-b86c-645564b6c64b">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzctMy0xLTEtMA_8fad98e8-98de-4a5d-a709-57c2c73d71c1">540,000</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Short-term debt repayments under revolving credit facility</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:RepaymentsOfLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzgtMS0xLTEtMA_9dab929b-4e13-4453-921f-d2f859600be0">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RepaymentsOfLinesOfCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzgtMy0xLTEtMA_4773b644-8f8c-440f-b81b-83734241ec2b">110,000</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Repayment 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:RepaymentsOfLongTermDebt" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzktMS0xLTEtMA_8956b099-3f16-4c65-8a18-e6e52a51bf96">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RepaymentsOfLongTermDebt" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfMzktMy0xLTEtMA_163e4fb7-7d05-4a43-9179-7ffb42363562">150,000</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Dividends paid on common stock</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsOfDividendsCommonStock" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNDAtMS0xLTEtMA_1306e3c7-4bf4-4645-bb51-bd990ff1dfbc">93,500</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PaymentsOfDividendsCommonStock" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNDAtMy0xLTEtMA_fdef54e9-62e9-403c-831d-0f321c99d2b3">88,000</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net cash flow 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNDItMS0xLTEtMA_8913b177-01e8-4be9-813e-8d5a6af8f4ab">106,000</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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNDItMy0xLTEtMA_70713ac1-6f92-4c80-8a81-02ffbc1e8a4d">192,000</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNDMtMS0xLTEtMA_950207c8-1a3c-4053-b0a6-0a013d69e2be">42,774</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV81OC9mcmFnOjQyNWQ2NTNkZjEwMTRjODJhN2VjN2ZjYzlmYTZlYzlkL3RhYmxlOmM3Nzc5YTAyODlkMjQyM2M5NjM3NTBiNWFhNmMwZTM5L3RhYmxlcmFuZ2U6Yzc3NzlhMDI4OWQyNDIzYzk2Mzc1MGI1YWE2YzBlMzlfNDMtMy0xLTEtMA_ebc76ff4-c8f4-4444-a4ef-93de76b1530f">43,182</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" scale="3" 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">15</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_61"></div><hr style="page-break-after:always"/><div style="min-height:40.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">ARIZONA PUBLIC SERVICE COMPANY</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(unaudited)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(dollars in thousands)</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:21.740%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.856%"></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:7.538%"></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:8.124%"></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:8.270%"></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:12.223%"></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:11.637%"></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:8.420%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="39" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Three Months Ended March 31, 2021</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Stock</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Additional Paid-In Capital</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Retained Earnings</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 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i214b32121e9645fc92c44711cbcba1b7_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i142554e16285415899063009cecef75b_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOjYwYzZmMmY2ZGU5YTQyOGE5MjY3YzFkZWJmMDIyOTlhL3RhYmxlcmFuZ2U6NjBjNmYyZjZkZTlhNDI4YTkyNjdjMWRlYmYwMjI5OWFfNS05LTEtMS0w_9272d02d-1fec-4859-82c9-90ab1695a180">927</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOjYwYzZmMmY2ZGU5YTQyOGE5MjY3YzFkZWJmMDIyOTlhL3RhYmxlcmFuZ2U6NjBjNmYyZjZkZTlhNDI4YTkyNjdjMWRlYmYwMjI5OWFfNS0xMy0xLTEtMA_14903b78-940f-49b2-bc65-28d7f88c8b23">927</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOjYwYzZmMmY2ZGU5YTQyOGE5MjY3YzFkZWJmMDIyOTlhL3RhYmxlcmFuZ2U6NjBjNmYyZjZkZTlhNDI4YTkyNjdjMWRlYmYwMjI5OWFfNi0xMS0xLTEtMA_1ba9ce05-d9b7-495d-8a65-84468b2c158d">1</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOjYwYzZmMmY2ZGU5YTQyOGE5MjY3YzFkZWJmMDIyOTlhL3RhYmxlcmFuZ2U6NjBjNmYyZjZkZTlhNDI4YTkyNjdjMWRlYmYwMjI5OWFfNi0xMy0xLTEtMA_fd08ad2d-61ce-4a8b-888d-d855c0c554e6">3</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance, March 31, 2021</span></td><td colspan="2" style="background-color:#cceeff;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:'Times New 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solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i312559d62be948bb8dac1ed1bb85afb2_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" 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style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i84fa0c2a249840f18835489a417f5434_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOjYwYzZmMmY2ZGU5YTQyOGE5MjY3YzFkZWJmMDIyOTlhL3RhYmxlcmFuZ2U6NjBjNmYyZjZkZTlhNDI4YTkyNjdjMWRlYmYwMjI5OWFfNy03LTEtMS0w_8657be93-6dcf-40e4-94f3-114b34c2e707">3,252,244</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98c68cfe6fa344aa8ae8e2ca999376ad_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOjYwYzZmMmY2ZGU5YTQyOGE5MjY3YzFkZWJmMDIyOTlhL3RhYmxlcmFuZ2U6NjBjNmYyZjZkZTlhNDI4YTkyNjdjMWRlYmYwMjI5OWFfNy05LTEtMS0w_66fa6439-73b4-4a11-8653-0d68639ed56d">39,991</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i95060d9dee344c27a24f76db9d095bf9_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" 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style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOjYwYzZmMmY2ZGU5YTQyOGE5MjY3YzFkZWJmMDIyOTlhL3RhYmxlcmFuZ2U6NjBjNmYyZjZkZTlhNDI4YTkyNjdjMWRlYmYwMjI5OWFfNy0xMy0xLTEtMA_7ced4a73-47c2-4a38-80d2-3b741880a4e0">6,386,275</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="text-align:center"><span><br/></span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:21.920%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.870%"></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:7.551%"></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:8.284%"></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:8.284%"></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:11.803%"></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:11.656%"></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:8.434%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="39" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Three Months Ended March 31, 2020</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Stock</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Additional Paid-In Capital</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Retained Earnings</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Accumulated Other Comprehensive Income (Loss)</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Noncontrolling Interests</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:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</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:'Times New 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style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance, January 1, 2020</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i02b2612e72ea41b4b14cd9bb4390e0f8_I20191231" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:CommonStockSharesIssued" scale="0" 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8faef20fb0904e299cbf882ed390da16_I20191231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3c7c12f89b6d4c40ab911055632bfb8c_I20191231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfMy03LTEtMS0w_23614c2c-a02a-4a86-b795-bf1acc6f9553">3,011,927</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i443c335e7f134351b045981e49edd0fa_I20191231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfMy05LTEtMS0w_dcbf6795-9126-42d3-86a2-0cff5b74cbce">35,522</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i093665c433b64d7c8d25aa8d10e68cc7_I20191231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfMy0xMy0xLTEtMA_8995861d-4981-4bbb-9a75-22ff986de7ab">5,998,803</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Income</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iae8b6b29c0344afe8bd421270da0eeae_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfNC03LTEtMS0w_68d0243d-6bb7-4f1c-839d-aa0918c90c3f">35,345</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i50540f6ee9634855ad04b72a7333b7ed_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfNC0xMS0xLTEtMA_d70690cf-ce1d-422c-9822-d902ef811235">4,873</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfNC0xMy0xLTEtMA_95ff6b32-2056-4dd9-a6b1-0b1f781c4fbf">40,218</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i358fcbf417864f5f83309903154c9a63_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfNS05LTEtMS0w_d0a90bc8-6bff-440b-bdf3-11467b64d34d">1,325</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82MS9mcmFnOmYxNTA4Mjg4YTkzOTQwMmVhMzU5MTYyMjg4N2JmZjBkL3RhYmxlOmU4MTQ3ZjUyYjZhNDRlZTA4YjIxNWZlZWUwZTFhYmE1L3RhYmxlcmFuZ2U6ZTgxNDdmNTJiNmE0NGVlMDhiMjE1ZmVlZTBlMWFiYTVfNS0xMy0xLTEtMA_70aa46ed-2881-48b3-9ecc-e7f6c2946076">1,325</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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 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0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of the financial statements.</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_64"></div><div style="text-align:center"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">16</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_67"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">1.&#160;&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RleHRyZWdpb246Y2QxYjUzYmUxYTFjNDM3OThlOGIzY2Y3MTJlODg0OGZfMzgxMw_43b0504f-43c7-4cde-87b3-50f4464a1c3c" continuedAt="idf2c8243182640adac4927bd406f05ac" escape="true">Consolidation and Nature of Operations</ix:nonNumeric></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:700;line-height:120%"><ix:continuation id="idf2c8243182640adac4927bd406f05ac" continuedAt="i6f43f4ea40a24533bba3b01cff003bcf"> </ix:continuation></span></div><ix:continuation id="i6f43f4ea40a24533bba3b01cff003bcf" continuedAt="i4a7ff62a777a46978fe4ea29b5ef0be3"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The unaudited condensed consolidated financial statements include the accounts of Pinnacle West and our subsidiaries:&#160; APS, 4C Acquisition, LLC (&#8220;4CA&#8221;), Bright Canyon Energy Corporation (&#8220;BCE&#8221;) and El Dorado Investment Company (&#8220;El Dorado&#8221;).&#160; See Note 8 for more information on 4CA matters.  Intercompany accounts and transactions between the consolidated companies have been eliminated.&#160; The unaudited condensed consolidated financial statements for APS include the accounts of APS and the Palo Verde Generating Station (&#8220;Palo Verde&#8221;) sale leaseback variable interest entities (&#8220;VIEs&#8221;) (see Note 6 for further discussion).&#160; Our accounting records are maintained in accordance with accounting principles generally accepted in the United States of America (&#8220;GAAP&#8221;).&#160; The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during the reporting period.&#160; Actual results could differ from those estimates.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Amounts reported in our interim Condensed Consolidated Statements of Income are not necessarily indicative of amounts expected for the respective annual periods, due to the effects of seasonal temperature variations on energy consumption, timing of maintenance on electric generating units (&#8220;EGU&#8221;), and other factors.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments except as otherwise disclosed in the notes) that we believe are necessary for the fair presentation of our financial position, results of operations, and cash flows for the periods presented. Certain information and footnote disclosures normally included in financial statements prepared in conformity with GAAP have been condensed or omitted pursuant to such regulations, although we believe that the disclosures provided are adequate to make the interim information presented not misleading.  The accompanying condensed consolidated financial statements and these notes should be read in conjunction with the audited consolidated financial statements and notes included in our 2020 Form 10-K.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 30, 2020, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">the United States Federal Energy Regulatory Commission (&#8220;FERC&#8221;) </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">issued an order granting a waiver request related to the existing Allowance for Funds Used During Construction (&#8220;AFUDC&#8221;) rate calculation beginning March 1, 2020 through February 28, 2021.&#160; On February 23, 2021, this waiver was extended until September 30, 2021.  The order provides a simplified approach that companies may elect to implement in order to minimize the significant distorted effect on the AFUDC formula resulting from increased short-term debt financing during the COVID-19 pandemic.&#160; APS has adopted this simplified approach to computing the AFUDC composite rate&#160;by using a simple average of the actual historical short-term debt balances for 2019, instead of current period short-term debt balances, and has left all other aspects of the AFUDC formula composite rate calculation unchanged. This change impacts the AFUDC composite rate in both 2020 and 2021 but does not impact prior years. &#160;Furthermore, the change in the composite rate calculation does not impact our accounting treatment for these costs.  The change will not have a material impact on our financial statements.  See Note 1 in our 2020 Form 10-K for information on the accounting treatment for AFUDC.</span></div></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">17</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div><span><br/></span></div><ix:continuation id="i4a7ff62a777a46978fe4ea29b5ef0be3"><div><span style="color:#000000;font-family:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Cash paid during the period for:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Income taxes, net of refunds</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" 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0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InterestPaidNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RhYmxlOjU4MWUxYTg3NzUxZjQ2ZmM5M2UyMzUxMDE4NWQ1NDI2L3RhYmxlcmFuZ2U6NTgxZTFhODc3NTFmNDZmYzkzZTIzNTEwMTg1ZDU0MjZfNC0zLTEtMS0w_ebbb7385-5437-4650-824d-9fce192eca6f">53,723</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Significant non-cash investing and 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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Accrued capital expenditures</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RhYmxlOjU4MWUxYTg3NzUxZjQ2ZmM5M2UyMzUxMDE4NWQ1NDI2L3RhYmxlcmFuZ2U6NTgxZTFhODc3NTFmNDZmYzkzZTIzNTEwMTg1ZDU0MjZfNi0xLTEtMS0w_7718d720-868d-4da6-9409-c2e1e2a7bfce">79,597</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RhYmxlOjU4MWUxYTg3NzUxZjQ2ZmM5M2UyMzUxMDE4NWQ1NDI2L3RhYmxlcmFuZ2U6NTgxZTFhODc3NTFmNDZmYzkzZTIzNTEwMTg1ZDU0MjZfNi0zLTEtMS0w_6e5967af-9351-44dc-b12f-d08975b58c2e">100,868</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New 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style="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></table></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table summarizes supplemental APS cash flow information (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:73.037%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.400%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td 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Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Income taxes, net of refunds</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:IncomeTaxesPaidNet" scale="3" 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Significant non-cash investing and financing activities:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Accrued capital expenditures</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RhYmxlOmVlMTg5M2UxYjMwMDQxZTFhNDBhMGRjMTIxOWIxZjFkL3RhYmxlcmFuZ2U6ZWUxODkzZTFiMzAwNDFlMWE0MGEwZGMxMjE5YjFmMWRfNi0zLTEtMS0w_52aa4481-ac98-479d-9b05-0bf0c477f86a">100,868</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RhYmxlOmVlMTg5M2UxYjMwMDQxZTFhNDBhMGRjMTIxOWIxZjFkL3RhYmxlcmFuZ2U6ZWUxODkzZTFiMzAwNDFlMWE0MGEwZGMxMjE5YjFmMWRfNy0xLTEtMS0zMzA5_f21249f0-e92a-4c33-8076-0ff753ff031c">785</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" 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colspan="3" style="display:none"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_70"></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">2.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:RevenueFromContractWithCustomerTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfNTA5Nw_f36398ab-d211-4798-8bac-0ef0e2b85090" continuedAt="ica452c58feb94bcd98aca91c5192c7c0" escape="true">Revenue </ix:nonNumeric></span></div><ix:continuation id="ica452c58feb94bcd98aca91c5192c7c0" continuedAt="i6dec6493752d409f8c3c8593b394c760"><div style="margin-bottom:6pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Sources of Revenue</span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:DisaggregationOfRevenueTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfNTEwNg_6a975a1a-f12f-4c30-bb00-587ae9fdf31a" escape="true"><div style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides detail of Pinnacle West&#8217;s consolidated revenue disaggregated by revenue sources (dollars in thousands):</span></div><div 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Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31,</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></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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</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="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Retail Electric Revenue</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfMy0yLTEtMS0w_a8f2415f-f297-4be2-8902-fd5aee613f44">340,838</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i54b86d34c1f2458bbc327acf95b870f3_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfMy0zLTEtMS0w_aeeac61e-e435-4cc5-8a4d-5e914c0e6259">325,073</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><td colspan="3" style="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:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Non-Residential</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i360aae6252ae4d338ece830a6f408f3c_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNC0yLTEtMS0w_f562260e-34f5-4510-86d4-130d96d708c5">314,783</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i17787a0885fb439ca4de913d34e8f2ae_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNC0zLTEtMS0w_c5eed40b-0daa-4f04-9c33-190f762613b5">303,351</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Wholesale Energy Sales</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib85e50690d0e446c9912acfc0aaa9e78_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNS0yLTEtMS0w_abdc0fb3-130d-4d5f-9a48-1716bcc43144">17,597</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i287329c1117f4cf2b70924f478c3a518_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNS0zLTEtMS0w_9e31e1c2-a730-4269-ab74-456a6cc88369">14,668</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><td colspan="3" style="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Transmission Services for Others</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c4ccd677e72479f93d08e88e3f3345f_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNi0yLTEtMS0w_737b59f4-c088-42f4-9f1d-a138526db874">18,993</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id49b702eeca64fafa1f2fceb787ebdf0_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNi0zLTEtMS0w_275b0957-fb98-4a80-9bfc-4a2397997a43">15,927</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other Sources</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i154c88f416a34d1a84a52d33d03f0adb_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNy0yLTEtMS0w_525b46eb-c317-4271-b9ed-cd2edf48d6f7">4,264</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i97536b4b002048ab9e6bdc0c884db9cf_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfNy0zLTEtMS0w_7a79030c-aeb4-4cfa-8555-7e12a45796c0">2,911</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><td colspan="3" style="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Total operating revenues</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfOC0yLTEtMS0w_50cfb8ce-981d-4f89-87f7-60c97e37c472">696,475</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjU1MjEzZjAzOTdjYTRhNGVhMzExZGI2NGViNjNkZWVmL3RhYmxlcmFuZ2U6NTUyMTNmMDM5N2NhNGE0ZWEzMTFkYjY0ZWI2M2RlZWZfOC0zLTEtMS0w_aa0e2b43-ee7c-4dbb-9649-90a26b678a21">661,930</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">18</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i6dec6493752d409f8c3c8593b394c760" continuedAt="i74fc8947d9eb426ba8411ec00a1c7a45"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Retail Electric Revenue. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West&#8217;s retail electric revenue is generated by wholly-owned regulated subsidiary APS&#8217;s sale of electricity to our regulated customers within the authorized service territory at tariff rates approved by the ACC and based on customer usage. Revenues related to the sale of electricity are generally recognized when service is rendered or electricity is delivered to customers.  The billing of electricity sales to individual customers is based on the reading of their meters.  We obtain customers&#8217; meter data on a systematic basis throughout the month, and generally bill customers within a month from when service was provided. Customers are generally required to pay for services within 15 days of when the services are billed. See &#8220;Allowance for Doubtful Accounts&#8221; discussion below for additional details regarding payment terms.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Wholesale Energy Sales and Transmission Services for Others. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Revenues from wholesale energy sales and transmission services for others represent energy and transmission sales to wholesale customers. These activities primarily consist of managing fuel and purchased power risks in connection with the cost of serving our retail customers&#8217; energy requirements. We may also sell into the wholesale markets generation that is not needed for APS&#8217;s retail load. Our wholesale activities and tariff rates are regulated by FERC.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In the electricity business, some contracts to purchase energy are settled by netting against other contracts to sell electricity. This is referred to as a book-out, and usually occurs in contracts that have the same terms (product type, quantities, and delivery points) and for which power does not flow. We net these book-outs, which reduces both wholesale revenues and fuel and purchased power costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Revenue Activities</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our revenues primarily consist of activities that are classified as revenues from contracts with customers. We derive our revenues from contracts with customers primarily from sales of electricity to our regulated retail customers. Revenues from contracts with customers also include wholesale and transmission activities.  Our revenues from contracts with customers for the three months ended March 31, 2021 and 2020 were $<ix:nonFraction unitRef="usd" contextRef="if366002e6d5d4ac4acfdee8e521bdfb6_D20210101-20210331" decimals="-6" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfMjM2NA_23721871-d616-4120-ad46-a74fbe2ce0ea">682</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" contextRef="i1e61560c4fd64ed2a30eda160ad32274_D20200101-20200331" decimals="-6" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfMTY0OTI2NzQ0NzI1Ng_065fa53d-3c24-4169-a8ba-463983f9ceb4">648</ix:nonFraction> million, respectively.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have certain revenues that do not meet the specific accounting criteria to be classified as revenues from contracts with customers. For the three months ended March 31, 2021 and 2020, our revenues that do not qualify as revenue from contracts with customers were $<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryRevenue" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfMjY5Mw_8399ee94-8796-4241-8751-ee81b32240d3">14</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-6" name="pnw:RegulatoryCostRecoveryRevenue" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfMTY0OTI2NzQ0NzQxNQ_094f4f15-97dc-4389-b017-87faf15d5bf9">14</ix:nonFraction> million, respectively. This relates primarily to certain regulatory cost recovery mechanisms that are considered alternative revenue programs. We recognize revenue associated with alternative revenue programs when specific events permitting recognition are completed. Certain amounts associated with alternative revenue programs will subsequently be billed to customers; however, we do not reclassify billed amounts into revenue from contracts with customers.  See Note 4 for a discussion of our regulatory cost recovery mechanisms. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Contract Assets and Liabilities from Contracts with Customers</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">There were no material contract assets, contract liabilities, or deferred contract costs recorded on the Condensed Consolidated Balance Sheets as of March&#160;31, 2021 or December&#160;31, 2020. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Allowance for Doubtful Accounts</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The allowance for doubtful accounts represents our best estimate of accounts receivable and accrued unbilled revenues that will ultimately be uncollectible due to credit loss risk. The allowance includes a write-off component that is calculated by applying an estimated write-off factor to retail electric revenues. The write-off factor used to estimate uncollectible accounts is based upon consideration of historical collections experience, the current and forecasted economic environment, changes to our collection policies, and management&#8217;s best estimate of future collections success. </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">19</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="text-indent:36pt"><span><br/></span></div><ix:continuation id="i74fc8947d9eb426ba8411ec00a1c7a45"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> On March 13, 2020, due to the COVID-19 pandemic we voluntarily suspended disconnections of customers for nonpayment. The suspension of customer disconnections was extended from March 13, 2020 through December 31, 2020. Our disconnection policies are also impacted by the Summer Disconnection Moratorium.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and certain customers with past due balances were placed on eight-month payment arrangements. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">These circumstances and the on-going COVID-19 pandemic have impacted our allowance for doubtful accounts, including our write-off factor. We continue to monitor the impacts of COVID-19, our disconnection policies, payment arrangements, among other considerations impacting our estimated write-off factor and allowance for doubtful accounts. See Note 4 for additional details.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfNTEwMg_d5a607b0-b1a7-45e1-b6b2-4fe8a259a143" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides a rollforward of Pinnacle West&#8217;s allowance for doubtful accounts (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:53.285%"></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:20.976%"></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:20.979%"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">March 31, 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Allowance for doubtful accounts, balance at beginning of period</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjBmMGY1ZjZhNzFlOTQwOTQ4MDNlMDNiZTA2MWVkYWQzL3RhYmxlcmFuZ2U6MGYwZjVmNmE3MWU5NDA5NDgwM2UwM2JlMDYxZWRhZDNfMS0yLTEtMS0w_91275c97-b608-49c8-b9cf-6a824c7eb65e">19,782</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i53e9613d3e77446a96ab0d7929d8e0bb_I20191231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjBmMGY1ZjZhNzFlOTQwOTQ4MDNlMDNiZTA2MWVkYWQzL3RhYmxlcmFuZ2U6MGYwZjVmNmE3MWU5NDA5NDgwM2UwM2JlMDYxZWRhZDNfMS00LTEtMS0w_c04fcf32-a9cb-4def-b85a-b1cf5cbc8396">8,171</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Bad debt expense</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProvisionForDoubtfulAccounts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjBmMGY1ZjZhNzFlOTQwOTQ4MDNlMDNiZTA2MWVkYWQzL3RhYmxlcmFuZ2U6MGYwZjVmNmE3MWU5NDA5NDgwM2UwM2JlMDYxZWRhZDNfMi0yLTEtMS0w_665a7613-ff1f-4524-8fde-a55f1d364699">4,151</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i75c95ad69d8f42e4a4d4c324b956bb90_D20200101-20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProvisionForDoubtfulAccounts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjBmMGY1ZjZhNzFlOTQwOTQ4MDNlMDNiZTA2MWVkYWQzL3RhYmxlcmFuZ2U6MGYwZjVmNmE3MWU5NDA5NDgwM2UwM2JlMDYxZWRhZDNfMi00LTEtMS0w_3c0d03dd-b67c-4fee-b92c-3d32f317dba8">20,633</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Actual write-offs</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RhYmxlOjBmMGY1ZjZhNzFlOTQwOTQ4MDNlMDNiZTA2MWVkYWQzL3RhYmxlcmFuZ2U6MGYwZjVmNmE3MWU5NDA5NDgwM2UwM2JlMDYxZWRhZDNfMy0yLTEtMS0w_86fb4828-4e94-4043-8103-f7735550b9b0">3,528</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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for doubtful accounts, balance at end of period</span></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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" scale="3" 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0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="padding-left:31.5pt;text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_73"></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">3.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:700;line-height:120%">&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:LongTermDebtTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfNDA2Mg_97d9c166-0298-4d05-8a5f-33ef7ff8bb3e" continuedAt="ica373e2df0ec473db711269c169266ce" escape="true">Long-Term Debt and Liquidity Matters</ix:nonNumeric></span></div><div style="padding-left:36pt;text-indent:-36pt"><span><br/></span></div><ix:continuation id="ica373e2df0ec473db711269c169266ce" continuedAt="if05f5f430ef44e20b4bd65c5c744471c"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West and APS maintain committed revolving credit facilities in order to enhance liquidity and provide credit support for their commercial paper programs, to refinance indebtedness, and for other general corporate purposes.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Pinnacle West</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On May 5, 2020, Pinnacle West refinanced its 364-day $<ix:nonFraction unitRef="usd" contextRef="iadb9293d5074465aa7b75c86002eb572_I20200504" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:DebtInstrumentFaceAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMzE0_471c2b32-17dd-4a14-ab4a-3a59d27906dc">50</ix:nonFraction> million term loan agreement with a new 364-day $<ix:nonFraction unitRef="usd" contextRef="i91f0c864651c4bd896b9c7270c424956_I20200505" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:DebtInstrumentFaceAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMzk1_e29f09ab-f17f-4e30-9c5e-ed06bff0ac02">31</ix:nonFraction> million term loan agreement that would have matured May 4, 2021.  Borrowings under the agreement bore interest at Eurodollar Rate plus <ix:nonFraction unitRef="number" contextRef="i916ac2521a754309bbf6a48b7727be5e_D20210101-20210331" decimals="4" name="us-gaap:DebtInstrumentBasisSpreadOnVariableRate1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfNTE0_aafd439c-808c-4190-b2aa-bff5ee8fc1d1">1.40</ix:nonFraction>% per annum.  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The proceeds were received on January 4, 2021 and used for general corporate purposes.  We recognized the term loan facility as long-term debt upon settlement on January 4, 2021. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">At March&#160;31, 2021, Pinnacle West had a $<ix:nonFraction unitRef="usd" contextRef="i5d79dcf1751f46c0a14d829684360cbb_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMTEwMQ_4b0c7e22-40b9-4c3e-9cd6-23b6f1d34943">200</ix:nonFraction> million revolving credit facility that matures in July 2023. Pinnacle West has the option to increase the amount of the facility up to a maximum of $<ix:nonFraction unitRef="usd" contextRef="i5d79dcf1751f46c0a14d829684360cbb_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMTI0NA_5915b41f-32ee-4efc-9dbe-701c462a67f6">300</ix:nonFraction> million upon the satisfaction of certain conditions and with the consent of the lenders.&#160;Interest rates are based on Pinnacle West&#8217;s senior unsecured debt credit ratings.  The facility is available to support Pinnacle West&#8217;s $<ix:nonFraction unitRef="usd" contextRef="i5d79dcf1751f46c0a14d829684360cbb_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMTQ2NA_26b161eb-502f-489f-b4ba-279cc321f916">200</ix:nonFraction> million commercial paper program, for bank borrowings or for issuances of letters of credits.  At March&#160;31, 2021, Pinnacle West had <ix:nonFraction unitRef="usd" contextRef="i5d79dcf1751f46c0a14d829684360cbb_I20210331" decimals="-6" format="ixt-sec:numwordsen" name="us-gaap:LineOfCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMTU3OQ_fc240916-ddb3-4ae4-8e33-9ce9c94eb4a8">no</ix:nonFraction> outstanding borrowings under its credit facility, <ix:nonFraction unitRef="usd" contextRef="i76707c8843784eb0bc374449fa5138bd_I20210331" decimals="-6" format="ixt-sec:numwordsen" name="us-gaap:LettersOfCreditOutstandingAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMTYzMg_b8291e0f-f895-4962-a098-8837d2a17212">no</ix:nonFraction> letters of credit outstanding and $<ix:nonFraction unitRef="usd" contextRef="i43e593b5f1894ebebae61c5c9dd6133e_I20210331" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:CommercialPaper" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMTY2OQ_4241e470-72ef-446e-b682-98b02bcabfe7">0.3</ix:nonFraction> million of outstanding commercial paper borrowings.</span></div></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">20</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="if05f5f430ef44e20b4bd65c5c744471c"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">APS</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">At March&#160;31, 2021, APS had <ix:nonFraction unitRef="facility" contextRef="i258d38a7cd674631a0906911679112d8_I20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:LineOfCreditFacilityNumberOfAgreements" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMjQyMg_4a66ab09-ab43-481a-bc1c-5b4af16a36e9">two</ix:nonFraction> revolving credit facilities totaling $<ix:nonFraction unitRef="usd" contextRef="i258d38a7cd674631a0906911679112d8_I20210331" decimals="-9" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" scale="9" 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format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMjUyOQ_d4b67f17-d7d5-4a9c-a56c-a975b93cc6e5">500</ix:nonFraction> million facility that matures in July 2023. &#160;APS may increase the amount of each facility up to a maximum of $<ix:nonFraction unitRef="usd" contextRef="i0fac324ade994c6ba781c976d3d306a3_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMjYzMw_03bf4425-d25d-4bd0-9129-b896c385ed46"><ix:nonFraction unitRef="usd" contextRef="ie68dc20edab44c0d8071e19fabea62c2_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMjYzMw_ec09fc00-b33f-4ea5-a728-cc5c3af0ac9b">700</ix:nonFraction></ix:nonFraction> million, for a total of $<ix:nonFraction unitRef="usd" contextRef="i258d38a7cd674631a0906911679112d8_I20210331" decimals="-8" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" scale="9" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMjY1Mg_f894db83-845f-433f-b341-b615e2d052e3">1.4</ix:nonFraction> billion, upon the satisfaction of certain conditions and with the consent of the lenders.&#160; Interest rates are based on APS&#8217;s senior unsecured debt credit ratings.  These facilities are available to support APS&#8217;s $<ix:nonFraction unitRef="usd" contextRef="ib79a11f7d9e1447c9fc26b5bbca97f88_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMjg1OQ_36f7ad5a-3730-4465-885e-da296066699b">750</ix:nonFraction> million commercial paper program, for bank borrowings or for issuances of letters of credit.&#160; At March&#160;31, 2021, APS had <ix:nonFraction unitRef="usd" contextRef="i258d38a7cd674631a0906911679112d8_I20210331" decimals="-6" format="ixt-sec:numwordsen" name="us-gaap:LineOfCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMjk2Mw_f5495f60-3cc7-4f41-b8ed-29d89b46aeb6">no</ix:nonFraction> outstanding borrowings under its revolving credit facilities, <ix:nonFraction unitRef="usd" contextRef="i2e3783fe613a408da2d5381846d8747b_I20210331" decimals="-6" format="ixt-sec:numwordsen" name="us-gaap:LettersOfCreditOutstandingAmount" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfNzY5NjU4MTQwMDI1Ng_ce68a3e7-7d18-433e-b579-cfc9380011b7">no</ix:nonFraction> letters of credit outstanding, and $<ix:nonFraction unitRef="usd" contextRef="ifdd74cb41dc143138a751f15746cb7fb_I20210331" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:CommercialPaper" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfNzY5NjU4MTQwMDI1Nw_4db33019-9b89-4d4b-993d-23ceb43e8928">199.5</ix:nonFraction> million of outstanding commercial paper borrowings. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 17, 2020, the ACC issued a financing order in which, subject to specified parameters and procedures, it approved APS&#8217;s short-term debt authorization equal to the sum of (i)&#160;<ix:nonFraction unitRef="number" contextRef="ife4ad42393cc413c93b0e548d1cdb175_I20201217" decimals="INF" name="pnw:RegulatoryMattersLongtermDebtPercentageOfCapitalization" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMzI4NQ_9e94339c-e00b-481b-8990-75a464db83b6">7</ix:nonFraction>%&#160;of APS&#8217;s capitalization, and (ii)&#160;$<ix:nonFraction unitRef="usd" contextRef="ife4ad42393cc413c93b0e548d1cdb175_I20201217" decimals="INF" format="ixt:numdotdecimal" name="us-gaap:LineOfCreditFacilityCapacityAvailableForTradePurchases" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMzMyMg_8b248267-f123-4dfb-a528-4b3bdccbc8be">500</ix:nonFraction> million&#160;(which is required to be used for costs relating to purchases of natural gas and power) and a long-term debt authorization of $<ix:nonFraction unitRef="usd" contextRef="i3c5933642cd5486eb4588dec3531a7fe_I20201217" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersLongtermDebtLimit" scale="9" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfMzQ1MQ_6fc3e0ca-56cf-4d18-8771-2b11f4cfbe2c">7.5</ix:nonFraction> billion.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">See &#8220;Financial Assurances&#8221; in Note 8 for a discussion of other outstanding letters of credit.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Debt Fair Value</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our long-term debt fair value estimates are classified within Level 2 of the fair value hierarchy.  <ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:FairValueByBalanceSheetGroupingTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfNDA3Mg_ea4fc7a1-af0d-45a3-92fb-1b5bb87f4671" continuedAt="i861d9f8da55c4314b1086bfd355e0b37" escape="true">The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):</ix:nonNumeric></span></div><div style="margin-bottom:5pt;margin-top:5pt"><ix:continuation id="i861d9f8da55c4314b1086bfd355e0b37"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:45.829%"></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:0.1%"></td><td style="width:0.530%"></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:0.1%"></td><td style="width:0.530%"></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:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.624%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">As of March 31, 2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">As of December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Carrying<br/>Amount</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Fair&#160;Value</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Carrying<br/>Amount</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pinnacle West</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i90c03e798e5643f5a7c6379affa70023_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DebtAndCapitalLeaseObligations" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMi0xLTEtMS0w_68544bcd-e109-40a8-b8f4-0ebd0634ff30">646,525</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i90c03e798e5643f5a7c6379affa70023_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMi0zLTEtMS0w_28e2819c-9fdf-4277-91a3-67ce25369c36">653,395</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i80c65b7b07fe4c69bcbe50f56c1ce389_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DebtAndCapitalLeaseObligations" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMi01LTEtMS0w_e7a53f60-6d52-47fa-8250-4264a922a025">496,321</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i80c65b7b07fe4c69bcbe50f56c1ce389_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMi03LTEtMS0w_1eb6c2c9-a1d2-48af-a916-9401f83436b4">509,050</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">APS</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DebtAndCapitalLeaseObligations" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMy0xLTEtMS0w_69b8d4d1-149e-455d-a6b9-1b5a2471a660">5,818,520</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMy0zLTEtMS0w_afd97b8f-6ac2-4c52-888e-55a588e071f9">6,436,224</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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DebtAndCapitalLeaseObligations" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMy01LTEtMS0w_e4c15b2a-6b4c-42fa-8ad4-60e4f33dfb15">5,817,945</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfMy03LTEtMS0w_3f1c0ffd-75fb-42a0-b149-2a431fe01e99">7,103,791</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DebtAndCapitalLeaseObligations" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfNC0xLTEtMS0w_4957dfd5-395c-4d98-9e51-cf76caa32d37">6,465,045</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfNC0zLTEtMS0w_06d7d3b6-f1b9-4b20-8dac-24373b8ff5b3">7,089,619</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DebtAndCapitalLeaseObligations" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfNC01LTEtMS0w_82c3a108-107e-468e-8cb8-5af0d850079f">6,314,266</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:LongTermDebtFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RhYmxlOjgzZWM4NjM3MTAyYzQyNjFiMTI4NTlmNDk4ZGI1ZmY2L3RhYmxlcmFuZ2U6ODNlYzg2MzcxMDJjNDI2MWIxMjg1OWY0OThkYjVmZjZfNC03LTEtMS0w_572b11ba-7d5e-440b-81df-d063665ed16b">7,612,841</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></ix:continuation><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;&#160;</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">21</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_76"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">4.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:700;line-height:120%">&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="pnw:RegulatoryMattersTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMTA_86d3cea4-143c-40d2-8573-8378d6a9e484" continuedAt="ibcfe6b27d184447cb0c75aa7050ca52d" escape="true">Regulatory Matters </ix:nonNumeric></span></div><ix:continuation id="ibcfe6b27d184447cb0c75aa7050ca52d" continuedAt="i725cc547d74a48eb9b8d99223a0ac848"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">COVID-19 Pandemic </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Due to the COVID-19 pandemic, APS voluntarily suspended disconnections of customers for nonpayment and waived late payment fees beginning March 13, 2020 until December 31, 2020.   The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and customers were automatically placed on <ix:nonNumeric contextRef="ia731b82ecb064f0397f25b124222cd57_D20210121-20210121" format="ixt-sec:durwordsen" name="pnw:RegulatoryMattersCustomerSupportFundPaymentPeriod" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTIyNw_f937e1e6-b7d1-4b31-b436-7a5ad29e19f4">eight-month</ix:nonNumeric> payment arrangements if they had past due balances at the end of the disconnection period of $<ix:nonFraction unitRef="usd" contextRef="ied8cfb124cd246cf8fe26ee8b24c316a_I20210121" decimals="INF" name="pnw:CustomerSupportFundPastDueBalanceThreshold" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTIzMQ_ce41c8ee-7760-4443-9aeb-264895835c15">75</ix:nonFraction> or greater.  APS will continue to waive late payment fees until October 15, 2021.  APS has experienced and is continuing to experience an increase in bad debt expense associated with the COVID-19 pandemic, the Summer Disconnection Moratorium (defined below) and the related write-offs of customer delinquent accounts.  Due to COVID-19, APS also delayed the reset of the Environmental Improvement Surcharge (&#8220;EIS&#8221;) adjustor and suspended the discontinuation of TEAM Phase II to the first billing cycle in May 2020 rather than April 2020.  In February 2021, APS delayed the annual reset of the PSA. Rather than the increase being effective February 2021, the PSA reset will be implemented with <ix:nonFraction unitRef="number" contextRef="i0eb66e68673d44f989c19e5721c86383_D20210301-20210331" decimals="2" name="pnw:RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjAxOA_8fbead6f-114a-416a-8862-56a8938fa1d9">50</ix:nonFraction>% of the increase effective April 2021 and the remaining <ix:nonFraction unitRef="number" contextRef="i0eb66e68673d44f989c19e5721c86383_D20210301-20210331" decimals="4" name="pnw:RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjAyMw_39597556-6f69-430d-8df3-171bfab189b5">50</ix:nonFraction>% increase effective November 2021 </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(see below for discussion of EIS, TEAM Phase II and PSA).</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 17, 2020, APS filed an application with the ACC requesting a COVID-19 emergency relief package to provide additional assistance to its customers.  On May 5, 2020, the ACC approved APS returning $<ix:nonFraction unitRef="usd" contextRef="id1ac9707c19e4752ab0dac10849393c6_I20200505" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersDemandSideManagementFunds" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTkxNQ_c9e41b26-c004-40c3-8168-d3afeee7fc53">36</ix:nonFraction> million that had been collected through the Demand Side Management (&#8220;DSM&#8221;) Adjustor Charge, but not allocated for current DSM programs, directly to customers through a bill credit in June 2020.  APS has refunded approximately $<ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersDemandSideManagementFundsCustomerCredits" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjE2Mw_ced3f777-503b-4fd5-a770-da9e44ca28d5">43</ix:nonFraction>&#160;million to customers.  The additional $<ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjE5Ng_267125ef-55c9-49a8-be4c-7ccc0ae26da9">7</ix:nonFraction>&#160;million over the approved amount of $<ix:nonFraction unitRef="usd" contextRef="id1ac9707c19e4752ab0dac10849393c6_I20200505" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersDemandSideManagementFunds" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTI0OQ_85ce9e6b-26a8-43f6-b0f8-3a65655d54f0">36</ix:nonFraction>&#160;million was the result of the kWh credit being based on historic consumption, which was different than actual consumption in the refund period.  This difference was recorded to the DSM balancing account and will be addressed in subsequent DSM filings (see below for discussion of the DSM Adjustor Charge).  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In 2020, APS spent more than $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersVoluntaryFunds" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTI2Mg_0c392107-1552-4c17-81c7-ca51c9d3c74c">15</ix:nonFraction>&#160;million to assist customers and local non-profits and community organizations to help with the impact of the COVID-19 pandemic, with $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersCustomerCOVIDAssistance" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTI3NQ_3a2922d5-d9a8-461f-a0de-ee56ca988ae7">12.4</ix:nonFraction>&#160;million of these dollars directly committed to bill assistance programs (the &#8220;COVID Customer Support Fund&#8221;).  The COVID Customer Support Fund was comprised of a series of voluntary commitments of funds that are not recoverable through rates throughout 2020 of approximately $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersNonCustomerFunds" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTI5MA_bb918266-1b9f-483c-9527-e55b87930622">8.8</ix:nonFraction>&#160;million. An additional $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersBillCredits" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTMwNA_68601248-72e8-4dc8-b66e-7a80bcd4b0f5">3.6</ix:nonFraction>&#160;million in bill credits for limited income customers was ordered by the ACC in December 2020 of which <ix:nonFraction unitRef="number" contextRef="ib3326883c1cc4a1e897024319e4614db_D20201201-20201231" decimals="INF" name="pnw:RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTMxOA_ed811bc1-bfc9-413b-96da-60168863f12e">50</ix:nonFraction>%, up to a maximum of  $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTMyMw_4c4b7c58-fc45-4097-8bc2-8c6432e6d20b">2.5</ix:nonFraction>&#160;million, was committed to be funds that are not recoverable through rates with the remaining being deferred for potential future recovery in rates.  Included in the COVID Customer Support Fund were programs that assisted customers that had a delinquency of two or more months with a one-time credit of $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="INF" name="pnw:RegulatoryMattersCustomerSupportFundBillCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTMzNw_0e561341-1170-45dd-a852-a80043bd315b">100</ix:nonFraction>, an expanded credit of $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="INF" name="pnw:RegulatoryMattersCustomerSupportFundExpandedBillCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTM0Mw_20721bb8-2ec0-48d4-9425-2128839d3c73">300</ix:nonFraction> for limited income customers, programs to assist extra small and small non-residential customers with a one-time credit of $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTM0OQ_3941c0d2-22cb-4271-a539-64dad9b8061f">1,000</ix:nonFraction>, and other targeted programs allocated to assist with other COVID-19 needs in support of utility bill assistance.  The December 2020 ACC order further assisted delinquent limited income customers with an additional bill credit of up to $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="INF" name="pnw:RegulatoryMattersCustomerSupportFundAdditionalBillCredit" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTM1Nw_7f89fd24-43ae-4ebf-af63-407c6649bace">250</ix:nonFraction> or their delinquent balance, whichever was less.  APS has distributed all funds for all COVID Customer Support Fund programs combined.  Beyond the COVID Customer Support Fund, APS has also provided $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTM2Mw_340e88d5-1a4b-497e-9e1b-a1cd3ab7b29e">2.7</ix:nonFraction>&#160;million to assist local non-profits and community organizations working to mitigate the impacts of the COVID-19 pandemic.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">22</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i725cc547d74a48eb9b8d99223a0ac848" continuedAt="ib47450924906473bb2de5216b974e6d7"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">2019 Retail Rate Case Filing with the Arizona Corporation Commission</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In accordance with the requirements of the 2019 rate review order described below, APS filed an application with the ACC on October 31, 2019 seeking an increase in annual retail base rates of&#160;$<ix:nonFraction unitRef="usd" contextRef="ibfdd7fc3f0f04ed3a26d8d1a3deb5618_D20191031-20191031" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryImpactOperatingResults" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNDIyOA_840a57e9-a630-40f4-9e1d-5b67860806e3">69</ix:nonFraction> million.  This amount includes recovery of the deferral and rate base effects of the Four Corners selective catalytic reduction (&#8220;SCR&#8221;) project that is currently the subject of a separate proceeding (see &#8220;SCR Cost Recovery&#8221; below).  It also reflects a net credit to base rates of approximately $<ix:nonFraction unitRef="usd" contextRef="i96897f8b06e04f148d87cd2509316db9_D20191031-20191031" decimals="-6" format="ixt:numdotdecimal" name="pnw:BaseRateDecreaseEliminationofTaxExpenseAdjustmentMechanism" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNDUxNw_e49a3118-9eb7-44d4-87a3-62329f0f59ee">115</ix:nonFraction> million primarily due to the prospective inclusion of rate refunds currently provided through the Tax Expense Adjustment Mechanism (&#8220;TEAM&#8221;).  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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td></tr></table></ix:continuation></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a&#160;1%&#160;return on the increment of fair value rate base above APS&#8217;s original cost rate base, as provided for by Arizona law;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a rate of $<ix:nonFraction unitRef="usdPerKWh" contextRef="i96897f8b06e04f148d87cd2509316db9_D20191031-20191031" decimals="INF" name="pnw:BaseFuelRate" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTM5Mg_a20fd888-914c-44ab-86b8-4238664d756f">0.030168</ix:nonFraction> per kWh for the portion of APS&#8217;s retail base rates attributable to fuel and purchased power costs (&#8220;Base Fuel Rate&#8221;);</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">authorization to defer until APS&#8217;s next general rate case the increase or decrease in its Arizona property taxes attributable to tax rate changes after the date the rate application is adjudicated;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a number of proposed rate and program changes for residential customers, including:</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTg5Nw_bb7c51e9-ffa4-4881-8d73-034a49d87735">1.25</ix:nonFraction> million in funding for APS&#8217;s limited-income crisis bill program; and</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a flat bill/subscription rate pilot program; </span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times 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New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project (see discussion below of the 2017 Settlement Agreement); and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">continued recovery of the remaining investment and other costs related to the retirement and closure of the Navajo Generating Station (the &#8220;Navajo Plant&#8221;) (see &#8220;Navajo Plant&#8221; below).</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On October 2, 2020, the ACC Staff, the Residential Utility Consumer Office (&#8220;RUCO&#8221;) and other intervenors filed their initial written testimony with the ACC in this rate case.  The ACC Staff recommends, among other things, a (i) $<ix:nonFraction unitRef="usd" contextRef="i881b34c50e364634bca4203633cc87cb_I20201002" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersRevenueIncreaseDecrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjg2OA_6c676fe5-ac71-4938-b1a1-826e06112f6a">89.7</ix:nonFraction>&#160;million revenue increase, (ii) average annual customer bill increase of <ix:nonFraction unitRef="number" contextRef="i881b34c50e364634bca4203633cc87cb_I20201002" decimals="4" name="pnw:AverageAnnualCustomerBillIncreasePercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjkzNQ_9960d909-e9d5-467f-a724-ab9b2c8a7113">2.7</ix:nonFraction>%, (iii) return on equity of <ix:nonFraction unitRef="number" contextRef="i881b34c50e364634bca4203633cc87cb_I20201002" decimals="4" name="pnw:PublicUtilitiesRecommendedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjk2NQ_9c6d96ea-40c4-49e6-9d83-cf1c8ce64dca">9.4</ix:nonFraction>%, (iv) a <ix:nonFraction unitRef="number" contextRef="i881b34c50e364634bca4203633cc87cb_I20201002" decimals="4" name="pnw:PublicUtilitiesAlternativePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjk3Ng_dbbf570a-ef1a-4d78-b6cb-8227fa2467f6">0.3</ix:nonFraction>% or, as an alternative, a <ix:nonFraction unitRef="number" contextRef="i881b34c50e364634bca4203633cc87cb_I20201002" decimals="4" name="pnw:PublicUtilitiesIncrementOfFairValueRatePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzAwNA_78cfebf3-2478-410f-83ec-21365dd81139">0</ix:nonFraction>% return on the increment of fair value rate base </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">greater than original cost</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">, (v)  recovery of the deferral and rate base effects of the construction and operating costs of the Four Corners SCR project and (vi) recovery of the rate base effects of the construction and ongoing consideration of the deferral of the Ocotillo modernization project.  RUCO recommends, among other things, a (i) $<ix:nonFraction unitRef="usd" contextRef="id81c1a27837b4686827ab6362b8e8410_I20201002" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersRevenueIncreaseDecrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzM2OA_7a49c481-1c89-48cf-b131-21de0e35c0d6">20.8</ix:nonFraction>&#160;million revenue decrease, (ii) average annual customer bill decrease of <ix:nonFraction unitRef="number" contextRef="id81c1a27837b4686827ab6362b8e8410_I20201002" decimals="4" sign="-" name="pnw:AverageAnnualCustomerBillIncreasePercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzQzNQ_86cf8641-50f2-49f9-9d09-18589f02ba0f">0.63</ix:nonFraction>%, (iii) return on equity of <ix:nonFraction unitRef="number" contextRef="id81c1a27837b4686827ab6362b8e8410_I20201002" decimals="4" name="pnw:PublicUtilitiesRecommendedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzQ2NQ_4dca6ebf-33cf-46db-8854-54e6a174200b">8.74</ix:nonFraction>%, (iv) a <ix:nonFraction unitRef="number" contextRef="id81c1a27837b4686827ab6362b8e8410_I20201002" decimals="4" name="pnw:PublicUtilitiesIncrementOfFairValueRatePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzQ3Ng_f27a7693-23ff-41e7-a289-a60a7cefd866">0</ix:nonFraction>% return on the increment of fair value rate base, (v)  nonrecovery of the </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">23</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="ib47450924906473bb2de5216b974e6d7" continuedAt="i6ea2f78177ea46ff85ad28a419d7ffe6"><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">deferral and rate base effects of the construction and operating costs of the Four Corners SCR project pending further consideration, and (vi) recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The filed ACC Staff and intervenor testimony include additional recommendations, some of which materially differ from APS&#8217;s filed application. On November 6, 2020, APS filed its rebuttal testimony and the principal provisions which differ from its initial application include, among other things, a (i) $<ix:nonFraction unitRef="usd" contextRef="iad3b7997bdf34e648ab4fc5a5b5e1767_I20201106" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersRevenueIncreaseDecrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTM3Nw_1f507e14-b9b2-4226-b0b5-43cf57a75ebc">169</ix:nonFraction>&#160;million revenue increase, (ii) average annual customer bill increase of <ix:nonFraction unitRef="number" contextRef="iad3b7997bdf34e648ab4fc5a5b5e1767_I20201106" decimals="4" name="pnw:AverageAnnualCustomerBillIncreasePercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTM5MQ_5f5afcbf-b03f-40bc-a64a-bcf6049f9547">5.14</ix:nonFraction>%, (iii) return on equity of <ix:nonFraction unitRef="number" contextRef="iad3b7997bdf34e648ab4fc5a5b5e1767_I20201106" decimals="2" name="pnw:PublicUtilitiesRecommendedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTM5OA_99c99f04-e8c5-4ae7-94cb-6a8609a6635d">10</ix:nonFraction>%, (iv) return on the increment of fair value rate base of <ix:nonFraction unitRef="number" contextRef="iad3b7997bdf34e648ab4fc5a5b5e1767_I20201106" decimals="3" name="pnw:PublicUtilitiesIncrementOfFairValueRatePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQwMw_46bfad3a-c2d8-4c7f-90b9-88a3b18137f0">0.8</ix:nonFraction>%, (v) new cost recovery adjustor mechanism, the Advanced Energy Mechanism (&#8220;AEM&#8221;), to enable more timely recovery of clean investments as APS pursues its clean energy commitment, (vi) recognition that securitization is a potentially useful financing tool to recover the remaining book value of retiring assets and effectuate a transition to a cleaner energy future that APS intends to pursue, provided legislative hurdles are addressed, and (vii) a Coal Community Transition (&#8220;CCT&#8221;) plan related to the closure or future closure of coal-fired generation facilities, of which $<ix:nonFraction unitRef="usd" contextRef="iaf93a2f812964c549e363f8cc21190fc_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountsFundedByShareholders" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQwOQ_cf039791-63e1-4ee3-9e32-9f7e1fbe9f0e">25</ix:nonFraction>&#160;million would be funds that are not recoverable through rates with a proposal that the remainder be funded by customers over <ix:nonNumeric contextRef="i83f23026e17a42658ab33f33f7688bde_D20201106-20201106" format="ixt-sec:duryear" name="pnw:RegulatoryMattersAmountsFundedByCustomersTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQyMQ_b3213f82-27d8-4646-a4c1-66214922a730">10</ix:nonNumeric> years.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The CCT plan includes the following proposed components: (i) $<ix:nonFraction unitRef="usd" contextRef="iaf93a2f812964c549e363f8cc21190fc_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountFundedByCustomers" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQzNQ_75a7abcc-a2a3-4d1a-9742-16eb8cb532d2">100</ix:nonFraction>&#160;million that will be paid over <ix:nonNumeric contextRef="i83f23026e17a42658ab33f33f7688bde_D20201106-20201106" format="ixt-sec:duryear" name="pnw:RegulatoryMattersAmountsFundedByCustomersTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQ0OA_0dc5b2fd-d7c3-46d1-979a-4b1f9c101f39">10</ix:nonNumeric> years to the Navajo Nation for a sustainable transition to a post-coal economy, which would be funded by customers, (ii) $<ix:nonFraction unitRef="usd" contextRef="ic0bf05a659fe45fd813dfc6d1a194a16_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountsFundedByShareholders" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQ2Mg_8d4a4b6e-825b-4eef-a840-7beeb5d50a27">1.25</ix:nonFraction>&#160;million that will be paid over <ix:nonNumeric contextRef="i121fb22fb990452e8185da5d8c513e46_D20201106-20201106" format="ixt-sec:durwordsen" name="pnw:RegulatoryMattersAmountsFundedByShareholdersTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQ3Ng_d1a7bc52-0935-4964-acd7-30299aa1c224">five years</ix:nonNumeric> to the Navajo Nation to fund an economic development organization, which would be funds not recoverable through rates, (iii) $<ix:nonFraction unitRef="usd" contextRef="i768e0fdd812a4366bba833c6f4080772_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountFundedByCustomers" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQ5Mg_281b6f9f-ff58-40a3-8ef0-5673b63ae2fa"><ix:nonFraction unitRef="usd" contextRef="i768e0fdd812a4366bba833c6f4080772_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountsFundedByShareholders" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTQ5Mg_ff01104c-521e-49a5-98ad-4c4c166d28f3">10</ix:nonFraction></ix:nonFraction>&#160;million to facilitate electrification projects within the Navajo Nation, which would be funded equally by funds not recoverable through rates and by customers, (iv) $<ix:nonFraction unitRef="usd" contextRef="ifc950c3d51be4aaeb4fd736cd8de24ae_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountsFundedByShareholders" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTUwNQ_4da3d40e-1d16-4a23-bf2d-2424473ea2f6">2.5</ix:nonFraction>&#160;million per year in transmission revenue sharing to be paid to the Navajo Nation beginning after the closure of the Four Corners Power Plant through 2038, which would be funds not recoverable through rates, (v) $<ix:nonFraction unitRef="usd" contextRef="i8b2dc62676844c5ca170850d0275f563_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountFundedByCustomers" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTUxOQ_1e41b5ee-7ecd-4c15-a7bc-4a7ee5b653c4">12</ix:nonFraction>&#160;million that will be paid over <ix:nonNumeric contextRef="ie8411c1d496e4945b7b67ef233cf6b81_D20201106-20201106" format="ixt-sec:durwordsen" name="pnw:RegulatoryMattersAmountsFundedByCustomersTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTUzMQ_06a55af5-d4d9-41b0-bf25-bb3f71eef418">five years</ix:nonNumeric> to the Navajo County Communities surrounding Cholla Power Plant, which would primarily be funded by customers, and (vi) $<ix:nonFraction unitRef="usd" contextRef="i8bd4429d8a6d44b988175fbc94f2c9f6_I20201106" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountFundedByCustomers" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTU0Nw_c7797b07-972d-4ce3-9f7f-19222f4a2de6">3.7</ix:nonFraction>&#160;million that will be paid over <ix:nonNumeric contextRef="ie8411c1d496e4945b7b67ef233cf6b81_D20201106-20201106" format="ixt-sec:durwordsen" name="pnw:RegulatoryMattersAmountsFundedByCustomersTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTU2MA_f314cc27-1637-4e2f-96cd-6a840f634d83">five years</ix:nonNumeric> to the Hopi Tribe related to APS&#8217;s ownership interests in the Navajo Generating Station, which would primarily be funded by customers. The commitment of funds that would not be recoverable through rates of $<ix:nonFraction unitRef="usd" contextRef="icb723cdd81c24e20a7117a6c1946915a_I20201231" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersAmountsFundedByShareholders" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTU3Ng_5c7bf401-a691-48b3-82ac-03799a9055ec">25</ix:nonFraction>&#160;million were recognized in our December 31, 2020 financials.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 4, 2020, the ACC Staff and intervenors filed surrebuttal testimony.  The ACC Staff reduced its recommended rate increase to $<ix:nonFraction unitRef="usd" contextRef="i7274da91cb7a4cf7aef8f627c59e2536_I20201204" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersRevenueIncreaseDecrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUzMzg0OA_e0c85bde-da08-4bff-a1bc-ddb9422b9b8b">59.8</ix:nonFraction>&#160;million, or an average annual customer bill increase of <ix:nonFraction unitRef="number" contextRef="i7274da91cb7a4cf7aef8f627c59e2536_I20201204" decimals="4" name="pnw:AverageAnnualCustomerBillIncreasePercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUzMzg2Mw_e3bf5902-0af2-4083-aa1d-c42190481b45">1.82</ix:nonFraction>%.  In RUCO&#8217;s surrebuttal, the recommended revenue decrease changed to $<ix:nonFraction unitRef="usd" contextRef="iace7a103bc1b483380eeef03bf5868fa_I20201204" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersRevenueIncreaseDecrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUzMzg3MA_199dd3ba-7631-4683-92a1-8b275344c7c1">50.1</ix:nonFraction>&#160;million, or an average annual customer bill decrease of <ix:nonFraction unitRef="number" contextRef="iace7a103bc1b483380eeef03bf5868fa_I20201204" decimals="4" sign="-" name="pnw:AverageAnnualCustomerBillIncreasePercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUzMzg4NQ_bc3eb383-6b68-4d41-8bce-b75b4f9a73be">1.52</ix:nonFraction>%.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The hearing concluded on March 3, 2021 and the post-hearing briefing schedule concluded on April 30, 2021.  In May 2021, the ACC will be discussing whether to re-open the evidentiary record in APS&#8217;s pending rate case to take additional evidence on topics raised by certain ACC Commissioners, including adjustor cost recovery mechanisms.  APS believes that the rate case record is sufficient, and adjustors provide substantial benefits to customers by supporting critical programs and reflecting changes in utility costs that can be promptly passed along to customers. Pending this decision, the next steps in this rate case are that the Administrative Law Judge will issue a Recommended Order and Opinion and then the ACC will review and consider the matter, which is anticipated to be in the third quarter of 2021.  Unfavorable ACC Staff and intervenor positions and recommendations, including modifications or elimination of APS's adjustor cost recovery mechanisms could have a material impact on APS&#8217;s financial statements if ultimately adopted by the ACC.  APS cannot predict the outcome or timing of this proceeding.  </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">24</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div><span><br/></span></div><ix:continuation id="i6ea2f78177ea46ff85ad28a419d7ffe6" continuedAt="i16cbd87ae6f545f4bd15dada5291fd50"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">2016 Retail Rate Case Filing with the Arizona Corporation Commission</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June&#160;1, 2016, APS filed an application with the ACC for an annual increase in retail base rates.  On March 27, 2017, a majority of the stakeholders in the general retail rate case, including the ACC Staff, RUCO, limited income advocates and private rooftop solar organizations signed a settlement agreement (the &#8220;2017 Settlement Agreement&#8221;) and filed it with the ACC.  The 2017 Settlement Agreement provides for a net retail base rate increase of $<ix:nonFraction unitRef="usd" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="-5" format="ixt:numdotdecimal" name="pnw:SettlementAgreementNetRetailBaseRateIncrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfODk2OA_58d6a7bc-7a85-4285-bdfa-5796ad88e19b">94.6</ix:nonFraction> million, excluding the transfer of adjustor balances, consisting of: (1) a non-fuel, non-depreciation, base rate increase of $<ix:nonFraction unitRef="usd" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="-5" format="ixt:numdotdecimal" name="pnw:SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTA4OA_141b33f6-8126-48e3-bd5c-83ebca52a8c9">87.2</ix:nonFraction> million per year; (2) a base rate decrease of $<ix:nonFraction unitRef="usd" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="-5" format="ixt:numdotdecimal" name="pnw:SettlementAgreementFuelRelatedBaseRateDecrease" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTEyOQ_f2d1e5ac-4576-4880-9ef2-e801f9210578">53.6</ix:nonFraction> million attributable to reduced fuel and purchased power costs; and (3) a base rate increase of $<ix:nonFraction unitRef="usd" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="-5" format="ixt:numdotdecimal" name="pnw:SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTIyMA_2d9b646b-ea64-464d-89fd-010fb741af07">61.0</ix:nonFraction> million due to changes in depreciation schedules.  The average annual customer bill impact under the 2017 Settlement Agreement was calculated as an increase of <ix:nonFraction unitRef="number" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="4" name="pnw:RateMatterApproximatePercentageofIncreaseinAverageCustomerBill" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTM3NQ_25b0b047-f8f7-4513-ac1e-2500946b12d3">3.28</ix:nonFraction>% (the average annual bill impact for a typical APS residential customer was calculated as an increase of <ix:nonFraction unitRef="number" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="4" name="pnw:RateMatterApproximatePercentageofIncreaseinAverageResidentialCustomerBill" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTQ4Mg_d627ae1e-e628-4a98-907c-e4f1c1a9789d">4.54</ix:nonFraction>%).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Other key provisions of the agreement include the following:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an authorized return on common equity of <ix:nonFraction unitRef="number" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="INF" name="us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTU5Mg_2573cf68-deab-416e-9728-60726ecf2d0f">10.0</ix:nonFraction>%;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a capital structure comprised of <ix:nonFraction unitRef="number" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="3" name="us-gaap:PublicUtilitiesApprovedDebtCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTYyOQ_65aa871a-45df-4266-a905-531fb5c32cec">44.2</ix:nonFraction>% debt and <ix:nonFraction unitRef="number" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="3" name="us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTY0MQ_e1bc123e-b580-4134-a0a7-2057e1877662">55.8</ix:nonFraction>% common equity;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a cost deferral order for potential future recovery in APS&#8217;s next general retail rate case for the construction and operating costs APS incurs for its Ocotillo modernization project; </span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a cost deferral and procedure to allow APS to request rate adjustments prior to its next general retail rate case related to its share of the construction costs associated with installing SCR equipment at the Four Corners Power Plant (&#8220;Four Corners&#8221;); </span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a deferral for future recovery (or credit to customers) of the Arizona property tax expense above or below a specified test year level caused by changes to the applicable Arizona property tax rate;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an expansion of the Power Supply Adjustor (&#8220;PSA&#8221;) to include certain environmental chemical costs and third-party energy storage costs;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a new AZ Sun II program (now known as &#8220;APS Solar Communities&#8221;) for utility-owned solar distributed generation with the purpose of expanding access to rooftop solar for low and moderate income Arizonans, recoverable through the Arizona Renewable Energy Standard and Tariff (&#8220;RES&#8221;), to be no less than $<ix:nonFraction unitRef="usd" contextRef="i4676397b7d0a47258e2af217fff5a318_D20170327-20170327" decimals="INF" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTA3MzE_b8a6d2f9-2d87-486c-a791-45f2ebbb722a">10</ix:nonFraction> million per year in capital costs, and not more than $<ix:nonFraction unitRef="usd" contextRef="i4676397b7d0a47258e2af217fff5a318_D20170327-20170327" decimals="INF" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTA3Nzk_687543c1-ca1e-455b-b1c4-1c96f95dea80">15</ix:nonFraction> million per year in capital costs;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an increase to the per kWh cap for the environmental improvement surcharge from $<ix:nonFraction unitRef="usdPerKWh" contextRef="i6ca2a58e6e0b4cee9bf55825e19d657f_D20170327-20170327" decimals="5" name="pnw:RateMatterEnvironmentalSurchargeCapRate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTA4ODk_3afb3d33-ef58-4b74-ab39-aada1a3fa4da">0.00016</ix:nonFraction> to $<ix:nonFraction unitRef="usdPerKWh" contextRef="i0d306092ae97468bb873cfdf011f18de_D20170327-20170327" decimals="5" name="pnw:RateMatterEnvironmentalSurchargeCapRate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTA4OTU_ec36acdc-5e57-482a-bb5a-caba450cf386">0.00050</ix:nonFraction> and the addition of a balancing account;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">rate design changes, including:</span></div><div style="padding-left:108pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a change in the on-peak time of use period from noon-7 p.m. to 3 p.m.-8 p.m. Monday through Friday, excluding holidays; </span></div><div style="padding-left:108pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">non-grandfathered distributed generation (&#8220;DG&#8221;) customers would be required to select a rate option that has time of use rates and either a new grid access charge or demand component; </span></div><div style="padding-left:108pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a Resource Comparison Proxy (&#8220;RCP&#8221;) for exported energy of <ix:nonFraction unitRef="usdPerKWh" contextRef="i2283c07572ae45a9b88fea0280b9d447_D20170327-20170327" decimals="3" format="ixt:numdotdecimal" name="pnw:RateMatterResourceComparisonProxyforExportedEnergy1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTEzMzc_f37bc0a3-952c-4bb3-bdd8-d47d5359b55d">12.9</ix:nonFraction> cents per kWh in year one; and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an agreement by APS not to pursue any new self-build generation (with certain exceptions) having an in-service date prior to January 1, 2022 (extended to December 31, 2027 for combined-cycle generating units), unless expressly authorized by the ACC. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Through a separate agreement, APS, industry representatives, and solar advocates committed to stand by the 2017 Settlement Agreement and refrain from seeking to undermine it through ballot initiatives, legislation or advocacy at the ACC.</span></div></ix:continuation><div style="text-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">25</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i16cbd87ae6f545f4bd15dada5291fd50" continuedAt="i2f7ab99b30d245668ec5c8054201be31"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 15, 2017, the ACC approved (by a vote of 4-1) the 2017 Settlement Agreement without material modifications.&#160; On August 18, 2017, the ACC issued a final written Opinion and Order reflecting its decision in APS&#8217;s general retail rate case (the &#8220;2017 Rate Case Decision&#8221;), which is subject to requests for rehearing and potential appeal.  The new rates went into effect on August 19, 2017.   </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 3, 2018, an APS customer filed a petition with the ACC that was determined by the ACC Staff to be a complaint filed pursuant to Arizona Revised Statute &#167;40-246 (the &#8220;Complaint&#8221;).  The Complaint was later amended alleging that the rates and charges in the 2017 Rate Case Decision are not just and reasonable.  The ACC held a hearing on this matter, and the Administrative Law Judge issued a Recommended Opinion and Order recommending that the Complaint be dismissed.  On July 3, 2019, the Administrative Law Judge issued an amendment to the Recommended Opinion and Order that incorporated the requirements of the rate review of the 2017 Rate Case Decision (see below discussion regarding the rate review).  On July 10, 2019, the ACC adopted the Administrative Law Judge&#8217;s amended Recommended Opinion and Order along with several ACC Commissioner amendments and an amendment incorporating the results of the rate review and resolved the Complaint.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:107%"> See &#8220;Rate Plan Comparison Tool and Investigation&#8221; below for information regarding a review and investigation pertaining to the rate plan comparison tool offered to APS customers and other related issues.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:107%">ACC Review of APS 2017 Rate Case Decision </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 24, 2018, certain ACC Commissioners filed a letter stating that because the ACC had received a substantial number of complaints that the rate increase authorized by the 2017 Rate Case Decision was much more than anticipated, they believe there is a possibility that APS is earning more than was authorized by the 2017 Rate Case Decision.&#160; Accordingly, the ACC Commissioners requested the ACC Staff to perform a rate review of APS using calendar year 2018 as a test year.  The ACC Commissioners also asked the ACC Staff to evaluate APS&#8217;s efforts to educate its customers regarding the new rates approved in the 2017 Rate Case Decision. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 4, 2019, the ACC Staff filed a proposed order regarding the rate review of the 2017 Rate Case Decision.  On June 11, 2019, the ACC Commissioners approved the proposed ACC Staff order with amendments.  The key provisions of the amended order include the following:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must file a rate case no later than October 31, 2019, using a June 30, 2019 test year;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">until the conclusion of the rate case being filed no later than October 31, 2019, APS must provide information on customer bills that shows how much a customer would pay on their most economical rate given their actual usage during each month;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS customers can switch rate plans during an open enrollment period of six months;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must identify customers whose bills have increased by more than 9% and that are not on the most economical rate and provide such customers with targeted education materials and an opportunity to switch rate plans;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must provide grandfathered net metering customers on legacy demand rates an opportunity to switch to another legacy rate to enable such customers to fully benefit from legacy net metering rates;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must fund and implement a supplemental customer education and outreach program to be developed with and administered by ACC Staff and a third-party consultant; and</span></div><div style="margin-bottom:6pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must fund and organize, along with the third-party consultant, a stakeholder group to suggest better ways to communicate the impact of changes to adjustor cost recovery mechanisms (see below for discussion on cost recovery mechanisms), including more effective ways to educate customers on rate plans and to reduce energy usage. </span></div></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">26</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i2f7ab99b30d245668ec5c8054201be31" continuedAt="i884a00b17b234607be488a8f0e41c5aa"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS filed its rate case on October 31, 2019 (see &#8220;2019 Retail Rate Case Filing with the Arizona Corporation Commission&#8221; above for more information).  APS does not believe that the implementation of the other key provisions of the amended order regarding the rate review will have a material impact on its financial position, results of operations or cash flows.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On May 19, 2020, the ACC Staff filed a third-party consultant&#8217;s report which evaluated the effectiveness of APS&#8217;s customer outreach and education program related to the 2017 Rate Case Decision.  On May 29, 2020, the Chairman of the ACC filed a letter with the ACC in response to this report and is alleging that APS is out of compliance with the 2017 Rate Case Decision and is over-earning.  The Chairman proposed that the current rates should be classified as interim rates and customers held harmless if APS&#8217;s activities have caused the rates set in the 2017 Rate Case Decision to not be just and reasonable.  Also, on May 29, 2020, a second commissioner filed a letter with the ACC agreeing with the Chairman&#8217;s assertions and further asserting that the 2017 Rate Case Decision should be re-opened.  On June 18, 2020, at an ACC Open Meeting, the matters raised in these letters were discussed.  The ACC did not vote to move forward with any adjustments to APS&#8217;s current rates.  On November 4, 2020, the ACC voted to administratively close this docket.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Cost Recovery Mechanisms </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has received regulatory decisions that allow for more timely recovery of certain costs outside of a general retail rate case through the following recovery mechanisms.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Renewable Energy Standard</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; In 2006, the ACC approved the RES.&#160; Under the RES, electric utilities that are regulated by the ACC must supply an increasing percentage of their retail electric energy sales from eligible renewable resources, including solar, wind, biomass, biogas and geothermal technologies.&#160; In order to achieve these requirements, the ACC allows APS to include a RES surcharge as part of customer bills to recover the approved amounts for use on renewable energy projects.&#160; Each year APS is required to file a <ix:nonNumeric contextRef="i1948eb14de964ff1988a69b07e69f97a_D20210101-20210331" format="ixt-sec:durwordsen" name="pnw:RateMatterPlanTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMzU_02ac541a-9674-4aa5-85e8-1def345c322e">five-year</ix:nonNumeric> implementation plan with the ACC and seek approval for funding the upcoming year&#8217;s RES budget.  In 2015, the ACC revised the RES rules to allow the ACC to consider all available information, including the number of rooftop solar arrays in a utility&#8217;s service territory, to determine compliance with the RES. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 20, 2017, APS filed an updated 2018 RES budget to include budget adjustments for APS Solar Communities (formerly known as AZ Sun II), which was approved as part of the 2017 Rate Case Decision.  APS Solar Communities is a <ix:nonNumeric contextRef="i65c74ff3a9324143bc7d6e3259532937_D20171120-20171120" format="ixt-sec:duryear" name="pnw:PublicUtilitiesProgramTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTg1ODY_09cb4ac4-e48d-4b8e-9558-bc2d6e54bdb5">3</ix:nonNumeric>-year program authorizing APS to spend $<ix:nonFraction unitRef="usd" contextRef="i60c55d25e709475a86a0bb59792a91f8_D20171120-20171120" decimals="INF" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesRequiredAnnualCapitalInvestment" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTg2Mjc_524b94de-6f22-4a37-ba4b-62cf8efb80c4">10</ix:nonFraction> million to $<ix:nonFraction unitRef="usd" contextRef="iadc1eec36c964c0dacda5b2fe0271d2d_D20171120-20171120" decimals="INF" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesRequiredAnnualCapitalInvestment" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTg2MzM_29483731-a314-45b3-be41-8a773a38a110">15</ix:nonFraction> million in capital costs each year to install utility-owned DG systems for low to moderate income residential homes, non-profit entities, Title I schools and rural government facilities.  The 2017 Rate Case Decision provided that all operations and maintenance expenses, property taxes, marketing and advertising expenses, and the capital carrying costs for this program will be recovered through the RES. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 29, 2018, APS filed its 2019 RES Implementation Plan and proposed a budget of approximately $<ix:nonFraction unitRef="usd" contextRef="i91894de2d76e41258c1e3a83b00691e4_I20180629" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTkxMzY_41fe1842-3b85-4fad-ba19-cadb5f9ddf92">89.9</ix:nonFraction> million.&#160; APS&#8217;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2019 contained in the RES rules.  On October 29, 2019, the ACC approved the 2019 RES Implementation Plan including a waiver of the residential distributed energy requirements for the 2019 implementation year.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 1, 2019, APS filed its 2020 RES Implementation Plan and proposed a budget of approximately $<ix:nonFraction unitRef="usd" contextRef="i034eab7e6aad4adea3cb209ac36ce727_I20190701" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMTk2MDk_6fa6b89a-452c-4c10-b8f6-cbcf471fd701">86.3</ix:nonFraction> million.  APS&#8217;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2020 contained in the RES rules.  On September 23, 2020, the ACC approved the 2020 RES Implementation Plan including a waiver of the residential distributed energy requirements for the 2020 implementation year. In addition, the ACC approved the implementation of a new pilot program that incentivizes Arizona households to install at-home battery </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">27</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i884a00b17b234607be488a8f0e41c5aa" continuedAt="if360dbe728934d559f4d5b29dba98ab1"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">systems.  Recovery of the costs associated with the pilot will be addressed in the 2021 Demand Side Management Implementation Plan (&#8220;DSM Plan&#8221;).</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On July 1, 2020, APS filed its 2021 RES Implementation Plan and proposed a budget of approximately $<ix:nonFraction unitRef="usd" contextRef="i342d1e8f17da4eb28be687a4fe689e93_I20200701" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjAzNjU_0041c9c1-a427-402a-b367-b05f7984f691">84.7</ix:nonFraction> million.&#160; APS&#8217;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2021 contained in the RES rules.  In the 2021 RES Implementation Plan, APS requested $<ix:nonFraction unitRef="usd" contextRef="i342d1e8f17da4eb28be687a4fe689e93_I20200701" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMattersRevenueRequirements" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTU4OQ_f096fec2-804d-41d7-af13-766b1756945d">4.5</ix:nonFraction>&#160;million to meet revenue requirements associated with the APS Solar Communities program to complete installations delayed as a result of the COVID-19 pandemic in 2020.  The ACC has not yet ruled on the 2021 RES Implementation Plan.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 30, 2020, ACC Staff issued final draft rules which, if approved, would require APS to meet certain clean energy standards and technology procurement mandates, obtain approval for its action plan included in its IRP, and seek cost recovery in a rate process.  APS cannot predict the outcome of this matter.  See &#8220;Energy Modernization Plan&#8221; below for more information.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Demand Side Management Adjustor Charge</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; The ACC Electric Energy Efficiency Standards require APS to submit a DSM Plan annually for review by and approval of the ACC.  Verified energy savings from APS&#8217;s resource savings projects can be counted toward compliance with the Electric Energy Efficiency Standards; however, APS is not allowed to count savings from systems savings projects toward determination of the achievement of performance incentives, nor may APS include savings from these system savings projects in the calculation of its Lost Fixed Cost Recovery (&#8220;LFCR&#8221;) mechanism (see below for discussion of the LFCR).</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On September 1, 2017, APS filed its 2018 DSM Plan, which proposed modifications to the demand side management portfolio to better meet system and customer needs by focusing on peak demand reductions, storage, load shifting and demand response programs in addition to traditional energy savings measures. The 2018 DSM Plan sought a requested budget of $<ix:nonFraction unitRef="usd" contextRef="i8a443cc24060423f93a9c3fea1b15d20_I20170901" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjE5NDM_17c179dd-3739-4211-abe0-54743c8fb76a">52.6</ix:nonFraction> million and requested a waiver of the Electric Energy Efficiency Standard for 2018.&#160;&#160; On November 14, 2017, APS filed an amended 2018 DSM Plan, which revised the allocations between budget items to address customer participation levels but kept the overall budget at $<ix:nonFraction unitRef="usd" contextRef="i022fef8d578b4d418b01a69191339b18_I20171114" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjIyMDU_002f97e4-5752-4dc5-97ae-e9db24a3a67c">52.6</ix:nonFraction> million. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 31, 2018, APS filed its 2019 DSM Plan, which requested a budget of $<ix:nonFraction unitRef="usd" contextRef="iad8b137c2d124cd28621626df7ce462a_I20181231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjIyOTA_33fc9cb1-c6b3-4e42-919b-fd363d785898">34.1</ix:nonFraction> million and focused on DSM strategies to better meet system and customer needs, such as peak demand reduction, load shifting, storage and electrification strategies.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 31, 2019, APS filed its 2020 DSM Plan, which requested a budget of $<ix:nonFraction unitRef="usd" contextRef="iec6c0e176cf14c20aa8588761a252629_I20191231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjI1MDU_41001539-abee-44e8-9c91-5144b855d48c">51.9</ix:nonFraction> million and continued APS&#8217;s focus on DSM strategies such as peak demand reduction, load shifting, storage and electrification strategies.  The 2020 DSM Plan addressed all components of the pending 2018 and 2019 DSM plans, which enabled the ACC to review the 2020 DSM Plan only.  On May 15, 2020, APS filed an amended 2020 DSM Plan to provide assistance to customers experiencing economic impacts of the COVID-19 pandemic.  The amended 2020 DSM Plan requested the same budget amount of $<ix:nonFraction unitRef="usd" contextRef="i1f27a372ca134ba980fad3ffda1e90f5_I20200515" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjI5ODU_83427a54-691b-445b-ab5c-2b98ba7e52c9">51.9</ix:nonFraction> million.  On    September 23, 2020, the ACC approved the amended 2020 DSM Plan. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 17, 2020, APS filed an application with the ACC requesting a COVID-19 emergency relief package to provide additional assistance to its customers.  On May 5, 2020, the ACC approved APS returning $<ix:nonFraction unitRef="usd" contextRef="id1ac9707c19e4752ab0dac10849393c6_I20200505" decimals="INF" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersDemandSideManagementFunds" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjMyNjU_f83cf255-dc3e-4480-a35c-01872fc16c5b">36</ix:nonFraction> million that had been collected through the DSM Adjustor Charge, but not allocated for current DSM programs, directly to customers through a bill credit in June 2020.  APS has refunded approximately $<ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersDemandSideManagementFundsCustomerCredits" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjM0ODU_da1b238b-43b2-4d5a-8e12-8565c72de182">43</ix:nonFraction>&#160;million to customers.  The additional $<ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjM1MTg_c6b205e3-8020-47c9-aef7-c72ac2808785">7</ix:nonFraction>&#160;million over the approved amount was the result of the kWh credit being based on historic consumption which was different than actual consumption in the refund period.  This difference was recorded to the DSM balancing account and will be addressed in subsequent DSM filings.  See &#8220;COVID-19 Pandemic&#8221; above for more information.</span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">28</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="text-indent:36pt"><span><br/></span></div><ix:continuation id="if360dbe728934d559f4d5b29dba98ab1" continuedAt="i145fc65b4063443d91a53587bc319390"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 31, 2020, APS filed its 2021 DSM Plan, which requested a budget of $<ix:nonFraction unitRef="usd" contextRef="iaec507bb64044aaa8e13f16ed579627e_I20201231" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMatterProposedBudget" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTYwMw_c3a5baae-8822-44ba-90ac-4f803a21fa7d">63.7</ix:nonFraction>&#160;million and continued APS&#8217;s focus on DSM strategies, such as peak demand reduction, load shifting, storage and electrification strategies, as well as enhanced assistance to customers impacted economically by COVID-19.  On April 6, 2021, APS filed an amended 2021 DSM Plan that proposed an additional performance incentive for customers participating in the residential energy storage pilot approved in the 2020 RES Implementation Plan.  The ACC has not yet ruled on the amended APS 2021 DSM Plan. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On April 20, 2021, APS filed a request to extend the June 1, 2021 deadline to file its 2022 DSM Plan until 120 days after the ACC has taken action on APS's amended 2021 DSM Plan.  The ACC has not ruled on this request.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:115%">Power Supply Adjustor Mechanism and Balance.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"> The PSA provides for the adjustment of retail rates to reflect variations primarily in retail fuel and purchased power costs.&#160; <ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="pnw:ScheduleOfDeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMzI_834b0db4-e701-4c06-848d-0c0b4fcd58f8" continuedAt="ia6895cb3129a49099e0c4e42274c1aca" escape="true">The following table shows the changes in the deferred fuel and purchased power regulatory asset for 2021 and 2020 (dollars in thousands):</ix:nonNumeric></span></div><ix:continuation id="ia6895cb3129a49099e0c4e42274c1aca"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:11.619%"></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:11.621%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Beginning balance</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4353e93e15a54d3eb4a545ebb882e65c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfMi0xLTEtMS0w_44fe0047-6128-48fd-a51c-a987023fd9ba">175,835</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id13572455eb644adae868186062fe47d_I20191231" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfMi0zLTEtMS0w_ce2ba53d-be01-4958-96e1-a5a72553388b">70,137</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred fuel and purchased power costs &#8212; current period</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5e137fbc2a0e49f09ae22dd55d97ca7e_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInRegulatoryClauseRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfMy0xLTEtMS0w_9012c4c7-e969-49a9-9a4d-5f217620dffc">52,210</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9297db8cb5e64b64b1081f5b0b336bfc_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:IncreaseDecreaseInRegulatoryClauseRevenue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfMy0zLTEtMS0w_4d76a2d6-bc13-4df7-993d-7b8bb10f7428">5,785</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts refunded to customers</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5e137fbc2a0e49f09ae22dd55d97ca7e_D20210101-20210331" decimals="-3" sign="-" name="pnw:IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfNC0xLTEtMS0w_be7c0a8a-0682-41ed-be2a-224981a22d80">564</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9297db8cb5e64b64b1081f5b0b336bfc_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfNC0zLTEtMS0w_69fee3b4-be06-439e-8d41-53c7e33f9cd3">1,808</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Ending balance</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6d01224fc0b04b8c9708e90683fa2fb3_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfNS0xLTEtMS0w_b1d876c6-6370-424d-ba3f-1b30812358f7">228,609</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i00c764d33c7543aab2e43a691da8b4b2_I20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjRmZDI0YzIyMTUyNzQwYTI5NWEzZDZmZDBjYzdhOTQ2L3RhYmxlcmFuZ2U6NGZkMjRjMjIxNTI3NDBhMjk1YTNkNmZkMGNjN2E5NDZfNS0zLTEtMS0w_b56023cf-61dd-419c-8b2d-b9f9a6309f35">77,730</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><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The PSA rate for the PSA year beginning February 1, 2019 was $<ix:nonFraction unitRef="usdPerKWh" contextRef="iecec7768c7114884b01d3a32356681fe_D20190201-20190201" decimals="6" name="pnw:PSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjQ2OTc_c244b4eb-7556-4836-817e-73c2fdc4d3ab">0.001658</ix:nonFraction> per kWh, as compared to the $<ix:nonFraction unitRef="usdPerKWh" contextRef="ib0dd40f6050743d8ab8c61aa6c4dd578_D20180201-20180201" decimals="6" name="pnw:PSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTc3OQ_c60bf9c1-76fc-46c2-9bd4-5af02e3ca254">0.004555</ix:nonFraction> per kWh for the prior year.  This rate was comprised of a forward component of $<ix:nonFraction unitRef="usdPerKWh" contextRef="iecec7768c7114884b01d3a32356681fe_D20190201-20190201" decimals="6" name="pnw:ForwardComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjQ3NDY_c262bdde-31e0-4862-bb18-916959398450">0.000536</ix:nonFraction> per kWh and a historical component of $<ix:nonFraction unitRef="usdPerKWh" contextRef="iecec7768c7114884b01d3a32356681fe_D20190201-20190201" decimals="6" name="pnw:HistoricalComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjQ3ODc_ce00c708-433a-44f7-bef0-f6299954ed95">0.001122</ix:nonFraction> per kWh.  This represented a $<ix:nonFraction unitRef="usdPerKWh" contextRef="i91d4a29055ce465e851d6e0dc783282d_D20190201-20190201" decimals="6" sign="-" name="pnw:PSARateInPriorYears1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjQ4MTk_7de3857e-1103-401e-8bac-4bd2c73f76d2">0.002897</ix:nonFraction> per kWh decrease compared to 2018.  These rates went into effect as filed on February 1, 2019.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 27, 2019, APS filed its PSA rate for the PSA year beginning February 1, 2020.  That rate was $(<ix:nonFraction unitRef="usdPerKWh" contextRef="ibb39ee256da74d9d89dcd8f321001300_D20200201-20200201" decimals="6" sign="-" name="pnw:PSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjUwMjU_d91b1bb7-b363-46b3-b97f-c3cfa4849a0e">0.000456</ix:nonFraction>) per kWh and consisted of a forward component of $(<ix:nonFraction unitRef="usdPerKWh" contextRef="ibb39ee256da74d9d89dcd8f321001300_D20200201-20200201" decimals="6" sign="-" name="pnw:ForwardComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjUwNzk_6972e241-de0b-42dc-8c85-25d8f4c76aff">0.002086</ix:nonFraction>) per kWh and a historical component of $<ix:nonFraction unitRef="usdPerKWh" contextRef="ibb39ee256da74d9d89dcd8f321001300_D20200201-20200201" decimals="6" name="pnw:HistoricalComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjUxMjE_6c73db4e-86ed-4937-9265-cecbdd7598b6">0.001630</ix:nonFraction> per kWh.  The 2020 PSA rate is a $<ix:nonFraction unitRef="usdPerKWh" contextRef="iea5cee51e5764def93747a895dca1514_D20200201-20200201" decimals="6" sign="-" name="pnw:PSARateInPriorYears1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjUxNTc_ef4c4149-95c5-4897-be2b-7a503061a906">0.002115</ix:nonFraction> per kWh decrease compared to the 2019 PSA year.  These rates went into effect as filed on February 1, 2020.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On November 30, 2020, APS filed its PSA rate for the PSA year beginning February 1, 2021.  That rate was $<ix:nonFraction unitRef="usdPerKWh" contextRef="i8af668bef0334c53b7ad8354a10bcff3_D20210201-20210201" decimals="6" name="pnw:PSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTYxOA_802687c0-236f-4a51-b4c3-ccb5fc3de61e">0.003544</ix:nonFraction> per kWh and consisted of a forward component of $<ix:nonFraction unitRef="usdPerKWh" contextRef="i8af668bef0334c53b7ad8354a10bcff3_D20210201-20210201" decimals="6" name="pnw:ForwardComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTYyOQ_b2d90f2a-1ade-42e9-b3a5-f1e2293bc03b">0.003434</ix:nonFraction> per kWh and a historical component of $<ix:nonFraction unitRef="usdPerKWh" contextRef="i8af668bef0334c53b7ad8354a10bcff3_D20210201-20210201" decimals="6" name="pnw:HistoricalComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTY0MA_4c6fbb71-0396-49e5-a90b-23a1a3cdec60">0.000110</ix:nonFraction> per kWh.  The 2021 PSA rate is a $<ix:nonFraction unitRef="usdPerKWh" contextRef="iac6e7e9548af4abea3bbfdd86ca633ce_D20210201-20210201" decimals="3" name="pnw:PSARateInPriorYears1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTY1MQ_8f7a88a4-e64f-46f2-940e-4d069b51cb03">0.004</ix:nonFraction> per kWh increase, compared to the 2020 PSA year.  These rates were to be effective on February 1, 2021 but APS delayed the effectiveness of these rates until the first billing cycle of April 2021 due to concerns of the impact on customers during COVID-19. In March 2021, the ACC voted to implement the 2021 PSA, with <ix:nonFraction unitRef="number" contextRef="i0eb66e68673d44f989c19e5721c86383_D20210301-20210331" decimals="2" name="pnw:RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjAyOA_a2bc49e7-c209-4dd0-9ce3-ac3a645ef30a">50</ix:nonFraction>% of the rate increase effective in April 2021 and the remaining <ix:nonFraction unitRef="number" contextRef="i0eb66e68673d44f989c19e5721c86383_D20210301-20210331" decimals="2" name="pnw:RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjAzMw_dd5a838a-3ed8-45c7-9ade-4ca50229542b">50</ix:nonFraction>% of the increase effective in November 2021.  The PSA rate implemented was $<ix:nonFraction unitRef="usdPerKWh" contextRef="i851086f542e14376864cb430e42f1fc9_D20210301-20210331" decimals="6" name="pnw:PSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjAzOA_38c52040-9974-4713-adee-74a56579f782">0.001544</ix:nonFraction> per kWh and consisted of a forward component of $(<ix:nonFraction unitRef="usdPerKWh" contextRef="i851086f542e14376864cb430e42f1fc9_D20210301-20210331" decimals="6" sign="-" name="pnw:ForwardComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjA0OQ_6fc376c3-b6f5-47aa-a4b1-7b4a5cda2282">0.004444</ix:nonFraction>) per kWh and a historical component of $<ix:nonFraction unitRef="usdPerKWh" contextRef="i851086f542e14376864cb430e42f1fc9_D20210301-20210331" decimals="6" name="pnw:HistoricalComponentofPSARate1" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjA2Mg_78352b67-9bb4-42da-bf8a-8a97baba9ec0">0.005988</ix:nonFraction> per kWh.  As part of this approval, the ACC ordered ACC Staff to conduct a fuel and purchased power procurement audit to better understand the factors that contributed to the increase.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On March 15, 2019, APS filed an application with the ACC requesting approval to recover the costs related to <ix:nonFraction unitRef="agreement" contextRef="i03bbb38ca16047639818a58317bf0823_I20190315" decimals="INF" format="ixt-sec:numwordsen" name="pnw:CostRecoveryNumberOfAgreements" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjUzNzg_ecd128f5-b778-43b7-ab3b-9f230aaff6d4">two</ix:nonFraction> energy storage power purchase tolling agreements through the PSA.  On December 29, 2020, the ACC Staff filed its report and recommended the storage costs be included in the PSA once the systems are in-service.  On January 12, 2021, the ACC approved this application. </span></div></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">29</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i145fc65b4063443d91a53587bc319390" continuedAt="i6b4e74df551e4444aadf2ec9624983ff"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:115%">Environmental Improvement Surcharge.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">  The EIS permits APS to recover the capital carrying costs (rate of return, depreciation and taxes) plus incremental operations and maintenance expenses associated with environmental improvements made outside of a test year to comply with environmental standards set by federal, state, tribal, or local laws and regulations.&#160; A filing is made on or before February 1 for qualified environmental improvements made during the prior calendar year, and the new charge becomes effective  April 1 unless suspended by the ACC.&#160; There is an overall cap of $0.0005 per kWh (approximately $13 million to $14 million per year).&#160; APS&#8217;s February 1, 2021 application requested an increase in the charge to $<ix:nonFraction unitRef="usd" contextRef="i853caca073bb4636b5c479b8a15eca52_D20210201-20210201" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMattersIncreaseDecreaseinCostRecovery" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTY1OQ_e368def2-4ca1-44f4-bff2-dab2dcd20238">10.3</ix:nonFraction>&#160;million, or $<ix:nonFraction unitRef="usd" contextRef="i853caca073bb4636b5c479b8a15eca52_D20210201-20210201" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTY3NA_b4bf4738-2135-4502-84f9-e1cdb63aca9a">1.5</ix:nonFraction>&#160;million over the prior-period charge and it became effective with the first billing cycle in April 2021.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Transmission Rates, Transmission Cost Adjustor (&#8220;TCA&#8221;) and Other Transmission Matters</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> In July&#160;2008, FERC approved a modification to APS&#8217;s Open Access Transmission Tariff to allow APS to move from fixed rates to a formula rate-setting methodology in order to more accurately reflect and recover the costs that APS incurs in providing transmission services.&#160; A large portion of the rate represents charges for transmission services to serve APS&#8217;s retail customers (&#8220;Retail Transmission Charges&#8221;).&#160; In order to recover the Retail Transmission Charges, APS was previously required to file an application with, and obtain approval from, the ACC to reflect changes in Retail Transmission Charges through the TCA.&#160; Under the terms of the settlement agreement entered into in 2012 regarding APS&#8217;s rate case (&#8220;2012 Settlement Agreement&#8221;), however, an adjustment to rates to recover the Retail Transmission Charges will be made annually each June&#160;1 and will go into effect automatically unless suspended by the ACC.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The formula rate is updated each year effective June&#160;1 on the basis of APS&#8217;s actual cost of service, as disclosed in APS&#8217;s FERC Form&#160;1 report for the previous fiscal year.&#160; Items to be updated include actual capital expenditures made as compared with previous projections, transmission revenue credits and other items.&#160; The resolution of proposed adjustments can result in significant volatility in the revenues to be collected.&#160; APS reviews the proposed formula rate filing amounts with the ACC Staff.&#160; Any items or adjustments which are not agreed to by APS and the ACC Staff can remain in dispute until settled or litigated at FERC.&#160; Settlement or litigated resolution of disputed issues could require an extended period of time and could have a significant effect on the Retail Transmission Charges because any adjustment, though applied prospectively, may be calculated to account for previously over- or under-collected amounts.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On March 7, 2018, APS made a filing to make modifications to its annual transmission formula to provide transmission customers the benefit of the reduced federal corporate income tax rate resulting from the Tax Cuts and Jobs Act (&#8220;Tax Act&#8221;) beginning in its 2018 annual transmission formula rate update filing. These modifications were approved by FERC on May 22, 2018 and reduced APS&#8217;s transmission rates compared to the rate that would have gone into effect absent these changes.  On March 17, 2020, APS made a filing to make further modifications to its annual transmission formula to provide additional transparency for excess and deficient Accumulated Deferred Income Taxes resulting from the Tax Act, as well as for future local, state, and federal statutory tax rate changes.  This filing is pending with FERC.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Effective June&#160;1, 2019, APS&#8217;s annual wholesale transmission rates for all users of its transmission system increased by approximately $<ix:nonFraction unitRef="usd" contextRef="i64c388b1d58a492d84a134f479d66e77_D20190601-20190601" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMattersIncreaseDecreaseinCostRecovery" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMjk4MzY_e5c4a18c-5fe0-4d18-ba41-e9a3a33a39f9">25.8</ix:nonFraction> million for the twelve-month period beginning June 1, 2019 in accordance with the FERC-approved formula.  Of this amount, retail customer rates increased by approximately $<ix:nonFraction unitRef="usd" contextRef="i64c388b1d58a492d84a134f479d66e77_D20190601-20190601" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzAwMDI_58c90090-8a45-4090-bb37-41307a0e358c">4.7</ix:nonFraction> million.  An adjustment to APS&#8217;s retail rates to recover FERC approved transmission charges went into effect automatically on June&#160;1, 2019.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Effective June&#160;1, 2020, APS&#8217;s annual wholesale transmission rates for all users of its transmission system decreased by approximately $<ix:nonFraction unitRef="usd" contextRef="i0a6f3876cfe44a5a80c3569372254e30_D20200601-20200601" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:RateMattersIncreaseDecreaseinCostRecovery" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzAyNzI_6509e09c-f310-4260-b200-ed8ee2d16844">6.1</ix:nonFraction> million for the twelve-month period beginning June 1, 2020 in accordance with the FERC-approved formula.&#160; Of this amount, retail customer rates decreased by approximately $<ix:nonFraction unitRef="usd" contextRef="i0a6f3876cfe44a5a80c3569372254e30_D20200601-20200601" decimals="-5" format="ixt:numdotdecimal" name="pnw:RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzA0Mzg_23b9f6ed-4f55-4753-800e-f9dc1dcc48fb">10.9</ix:nonFraction> million.  An adjustment to APS&#8217;s retail rates to recover FERC approved transmission charges went into effect automatically on June&#160;1, 2020.</span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">30</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div><span><br/></span></div><ix:continuation id="i6b4e74df551e4444aadf2ec9624983ff" continuedAt="i9a9678aec3c54d939da5e81dd0a9febd"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Lost Fixed Cost Recovery Mechanism</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; The LFCR mechanism permits APS to recover on an after-the-fact basis a portion of its fixed costs that would otherwise have been collected by APS in the kWh sales lost due to APS energy efficiency programs and to DG such as rooftop solar arrays.&#160; The fixed costs recoverable by the LFCR mechanism are currently <ix:nonFraction unitRef="usdPerKWh" contextRef="i1a01c30ab58c44f8921f40ca6c227dac_D20170101-20171231" decimals="3" format="ixt:numdotdecimal" name="pnw:RateMatterFixedCostRecoverablePerPowerLost1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzA5MjI_098649e9-8c6e-4036-91d2-25db2a638974">2.5</ix:nonFraction> cents for both lost residential and non-residential kWh as set forth in the 2017 Settlement Agreement.&#160; The LFCR adjustment has a year-over-year cap of <ix:nonFraction unitRef="number" contextRef="ie12ee85bd46a4729a897eaeec753c981_I20210331" decimals="INF" name="pnw:RateMatterCapPercentageOfRetailRevenue" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzEwNzE_03faec80-9b6b-4a14-8f44-ae4d61944e5b">1</ix:nonFraction>% of retail revenues.&#160; Any amounts left unrecovered in a particular year because of this cap can be carried over for recovery in a future year.&#160; The kWhs lost from energy efficiency are based on a third-party evaluation of APS&#8217;s energy efficiency programs.&#160; DG sales losses are determined from the metered output from the DG units.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On February 15, 2018, APS filed its 2018 annual LFCR adjustment, requesting that effective May 1, 2018, the LFCR be adjusted to $<ix:nonFraction unitRef="usd" contextRef="i5816adab4157499e9d1ae980fe6680e5_D20180215-20180215" decimals="-5" format="ixt:numdotdecimal" name="pnw:AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzE1MzQ_e089564b-0820-4b5d-9f17-618d3287d1f8">60.7</ix:nonFraction> million.  On February 6, 2019, the ACC approved the 2018 annual LFCR adjustment to become effective March 1, 2019.  On February 15, 2019, APS filed its 2019 annual LFCR adjustment, requesting that effective May 1, 2019, the annual LFCR recovery amount be reduced to $<ix:nonFraction unitRef="usd" contextRef="iff85a21568f949b088656b357afe3dec_D20190215-20190215" decimals="-5" format="ixt:numdotdecimal" name="pnw:AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzE3OTU_cc4af2ee-5d24-455b-8793-df9ace1d1b2c">36.2</ix:nonFraction> million (a $<ix:nonFraction unitRef="usd" contextRef="iff85a21568f949b088656b357afe3dec_D20190215-20190215" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzE4MDE_85aa9404-0e28-4c7c-a070-d33184012a8e">24.5</ix:nonFraction> million decrease from previous levels).  On July 10, 2019, the ACC approved APS&#8217;s 2019 LFCR adjustment as filed, effective with the next billing cycle of July 2019.  On February 14, 2020, APS filed its 2020 annual LFCR adjustment, requesting that effective May 1, 2020, the annual LFCR recovery amount be reduced to $<ix:nonFraction unitRef="usd" contextRef="ib443d45a8f764acba3b091e109403a50_D20200214-20200214" decimals="-5" format="ixt:numdotdecimal" name="pnw:AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzIxMTI_f04b28da-9a05-4adb-b454-fcf909a75a1b">26.6</ix:nonFraction> million (a $<ix:nonFraction unitRef="usd" contextRef="ib443d45a8f764acba3b091e109403a50_D20200214-20200214" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzIxMTg_4935e019-fbe6-4a3c-a0b3-8a2448478a84">9.6</ix:nonFraction> million decrease from previous levels).  On April 14, 2020, the ACC approved the 2020 LFCR adjustment as filed, effective with the first billing cycle in May 2020.  On February 15, 2021, APS filed its 2021 annual LFCR adjustment, requesting that effective May 1, 2021, the annual LFCR recovery amount be increased to $<ix:nonFraction unitRef="usd" contextRef="id1707fd652764f07872c1a405bbb772e_D20210215-20210215" decimals="-5" format="ixt:numdotdecimal" name="pnw:AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTY4OA_b1317b81-fb43-4911-ba89-d1519f3211cb">38.5</ix:nonFraction>&#160;million (an $<ix:nonFraction unitRef="usd" contextRef="id1707fd652764f07872c1a405bbb772e_D20210215-20210215" decimals="-5" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTcwMw_e8514454-20e3-416a-8ce3-e1f7e2eb9e52">11.8</ix:nonFraction>&#160;million increase from previous levels).  On April 13, 2021, the ACC voted not to approve the requested $<ix:nonFraction unitRef="usd" contextRef="id1707fd652764f07872c1a405bbb772e_D20210215-20210215" decimals="-5" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUyODYyNg_654bce64-4280-4773-a9c1-1a9afbaa36ad">11.8</ix:nonFraction>&#160;million increase to the annual LFCR adjustment, thus the previously approved rates continue to remain intact. The $<ix:nonFraction unitRef="usd" contextRef="id1707fd652764f07872c1a405bbb772e_D20210215-20210215" decimals="-5" format="ixt:numdotdecimal" name="pnw:IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUyODY0MQ_41acd6a9-34ce-4e0b-ac1d-44e0a4206a80">11.8</ix:nonFraction>&#160;million will continue to be maintained in the LFCR regulatory asset balancing account and will be requested as part of APS&#8217;s next LFCR application filing in 2022.  The ACC has not yet released its order on this matter.  APS does not anticipate that the order will have a material impact on its financial position, results of operations and cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Tax Expense Adjustor Mechanism</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.&#160; As part of the 2017 Settlement Agreement, the parties agreed to a rate adjustment mechanism to address potential federal income tax reform and enable the pass-through of certain income tax effects to customers. The TEAM expressly applies to APS&#8217;s retail rates with the exception of a small subset of customers taking service under specially-approved tariffs.  On December 22, 2017, the Tax Act was enacted.&#160; This legislation made significant changes to the federal income tax laws including a reduction in the corporate tax rate from 35% to 21% effective January 1, 2018.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 8, 2018, APS filed an application with the ACC that addressed the change in the marginal federal tax rate from 35% to 21% resulting from the Tax Act and reduced rates by $<ix:nonFraction unitRef="usd" contextRef="i7e5fd4c39ccd44c5a42785f87a07be9b_D20180108-20180108" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzMwNzA_589efd65-c522-4a50-9c16-88bcbd83a593">119.1</ix:nonFraction> million annually through an equal cents per kWh credit (&#8220;TEAM Phase I&#8221;).&#160; On February 22, 2018, the ACC approved the reduction of rates through an equal cents per kWh credit. The rate reduction was effective for the first billing cycle in March 2018. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The impact of the TEAM Phase I, over time, is expected to be earnings neutral. However, on a quarterly basis, there is a difference between the timing and amount of the income tax benefit and the reduction in revenues refunded through the TEAM Phase I related to the lower federal income tax rate. The amount of the benefit of the lower federal income tax rate is based on quarterly pre-tax results, while the reduction in revenues refunded through the TEAM Phase I is based on a per kWh sales credit which follows our seasonal kWh sales pattern and is not impacted by earnings of the Company.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 13, 2018, APS filed a second request with the ACC that addressed the return of an additional $<ix:nonFraction unitRef="usd" contextRef="id4bbb5f2d66544c3bfe743f46a1cd188_D20180813-20180813" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzQwMTY_9063cfd3-b391-4025-b00c-d6ac0e951291">86.5</ix:nonFraction> million in tax savings to customers related to the amortization of non-depreciation related excess deferred taxes previously collected from customers (&#8220;TEAM Phase II&#8221;).&#160;The ACC approved this request on March 13, 2019, effective the first billing cycle in April 2019 through the last billing cycle in March 2020.  </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">31</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i9a9678aec3c54d939da5e81dd0a9febd" continuedAt="id187d3e40be04a81966c899a1c154a47"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On March 19, 2020, due to the COVID-19 pandemic, APS delayed the discontinuation of TEAM Phase II until the first billing cycle in May 2020. &#160;Amounts credited to customers after the last billing cycle in March 2020 will be recorded as a part of the balancing account and will be addressed for recovery as part of APS&#8217;s 2019 ACC rate case.  Both the timing of the reduction in revenues refunded through TEAM Phase II and the offsetting income tax benefit are recognized based upon our seasonal kWh sales pattern.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 10, 2019, APS filed a third request with the ACC that addressed the amortization of depreciation related excess deferred taxes over a <ix:nonNumeric contextRef="icc57bc45e5cb48c2ab613efa9b5ded1a_D20190410-20190410" format="ixt-sec:duryear" name="pnw:PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzQ5ODE_3b2ae5cd-2945-45fd-922f-6da4b28767e6">28.5</ix:nonNumeric>-year period consistent with IRS normalization rules (&#8220;TEAM Phase III&#8221;). &#160;On October 29, 2019, the ACC approved TEAM Phase III providing both (i) a one-time bill credit of $<ix:nonFraction unitRef="usd" contextRef="i61b9e1d4489246cca7dcf291d1870be3_D20191029-20191029" decimals="-6" sign="-" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzUxNTU_76990613-ecd1-49ad-96bd-2f19d90ac548">64</ix:nonFraction> million, which was credited to customers on their December 2019 bills, and (ii) a monthly bill credit effective the first billing cycle in December 2019 which will provide an additional benefit of $<ix:nonFraction unitRef="usd" contextRef="i61b9e1d4489246cca7dcf291d1870be3_D20191029-20191029" decimals="-5" sign="-" format="ixt:numdotdecimal" name="pnw:PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzUzNDg_8cc9b302-1abe-4468-ada4-eec949318cbc">39.5</ix:nonFraction> million to customers through December 31, 2020.  On November 20, 2020, APS filed an application to continue the TEAM Phase III monthly bill credit through the earlier of December 31, 2021, or at the conclusion of APS&#8217;s 2019 pending rate case.  On December 9, 2020, the ACC approved this request. Both the timing of the reduction in revenues refunded through the TEAM Phase III monthly bill credit and the offsetting income tax benefit are recognized based upon APS&#8217;s seasonal kWh sales pattern.  </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Net Metering</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s 2017 Rate Case Decision provides that payments by utilities for energy exported to the grid from DG solar facilities will be determined using a RCP methodology, a method that is based on the most recent five-year rolling average price that APS pays for utility-scale solar projects, while a forecasted avoided cost methodology is being developed.&#160; The price established by this RCP method will be updated annually (between general retail rate cases) but will not be decreased by more than <ix:nonFraction unitRef="number" contextRef="ie0e048e04c704934a8f33c14769dd636_D20170901-20170901" decimals="2" name="pnw:RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzYxMTc_b5eca1fa-8682-4bab-ae62-c5d34988a3fd">10</ix:nonFraction>% per year. Once the avoided cost methodology is developed, the ACC will determine in APS&#8217;s subsequent rate cases which method (or a combination of methods) is appropriate to determine the actual price to be paid by APS for exported distributed energy.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In addition, the ACC made the following determinations:</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">customers who have interconnected a DG system or submitted an application for interconnection for DG systems prior to September 1, 2017, based on APS&#8217;s 2017 Rate Case Decision, will be grandfathered for a period of <ix:nonNumeric contextRef="ie0e048e04c704934a8f33c14769dd636_D20170901-20170901" format="ixt-sec:duryear" name="pnw:RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzY2NDU_32d81765-3cb9-4984-b176-bd59b489bd5b">20</ix:nonNumeric> years from the date the customer&#8217;s interconnection application was accepted by the utility;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">customers with DG solar systems are to be considered a separate class of customers for ratemaking purposes; and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">once an export price is set for APS, no netting or banking of retail credits will be available for new DG customers, and the then-applicable export price will be guaranteed for new customers for a period of <ix:nonNumeric contextRef="ie0e048e04c704934a8f33c14769dd636_D20170901-20170901" format="ixt-sec:duryear" name="pnw:RateMattersCostofServiceforNewCustomersGuaranteedExportPricePeriod" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzcwNTk_73cf8672-c79a-4151-94da-02a1e44b5bee">10</ix:nonNumeric> years. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">This decision of the ACC addresses policy determinations only.  The decision states that its principles will be applied in future general retail rate cases, and the policy determinations themselves may be subject to future change, as are all ACC policies.  A first-year export energy price of <ix:nonFraction unitRef="usdPerKWh" contextRef="ie0e048e04c704934a8f33c14769dd636_D20170901-20170901" decimals="3" format="ixt:numdotdecimal" name="pnw:RateMatterSettlementAgreementEnergyPriceforExportedEnergy1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzczNjQ_093e2274-8bfd-4467-96d1-3b047adee485">12.9</ix:nonFraction> cents per kWh was included in the 2017 Settlement Agreement and became effective on September 1, 2017. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">In accordance with the 2017 Rate Case Decision, APS filed its request for a third-year export energy price of <ix:nonFraction unitRef="usdPerKWh" contextRef="i18696cf3155f428aaeec44c07a216173_D20190501-20190501" decimals="3" format="ixt:numdotdecimal" name="pnw:RateMatterRequestSecondYearEnergyPriceforExportedEnergy1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzc3ODc_277ecc2f-e304-4a93-9bd1-57e9d5bd9223">10.5</ix:nonFraction> cents per kWh on May 1, 2019.&#160; This price also reflects the <ix:nonFraction unitRef="number" contextRef="ie0e048e04c704934a8f33c14769dd636_D20170901-20170901" decimals="2" name="pnw:RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTcxOQ_83d95979-b8aa-424d-a4d1-03664ae002d5">10</ix:nonFraction>% annual reduction discussed above. The new rate rider became effective on October 1, 2019.  APS filed its request for a fourth-year export energy price of <ix:nonFraction unitRef="usdPerKWh" contextRef="i7b7b024f8ea4454a922b563085405454_D20200501-20200501" decimals="3" format="ixt:numdotdecimal" name="pnw:RateMatterRequestSecondYearEnergyPriceforExportedEnergy1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzgwMDI_08db576b-aa71-492a-ad76-e471cfd96bc0">9.4</ix:nonFraction> cents per kWh on May 1, 2020, with a requested effective date of September 1, 2020.&#160; This price reflects the <ix:nonFraction unitRef="number" contextRef="ie0e048e04c704934a8f33c14769dd636_D20170901-20170901" decimals="2" name="pnw:RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzgxMDg_2ba65ff0-29fe-4e5e-bc0f-87f807a722c0">10</ix:nonFraction>% annual reduction discussed above.  On September 23, 2020, the ACC approved the </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">32</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="id187d3e40be04a81966c899a1c154a47" continuedAt="i6ef18eb4fcb84494bf5c2f361b446b82"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">annual reduction of the export energy price but voted to delay the effectiveness of the reduction in export prices until October 1, 2021.  APS&#8217;s export energy price will remain at <ix:nonFraction unitRef="usdPerKWh" contextRef="ia437a64e9950411bae4446618c619d65_D20211001-20211001" decimals="3" format="ixt:numdotdecimal" name="pnw:RateMatterRequestSecondYearEnergyPriceforExportedEnergy1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfMzgzNzA_50ece437-be97-4b89-a4d7-84082120485d">10.5</ix:nonFraction> cents per kWh until October 1, 2021.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 23, 2017, The Alliance for Solar Choice&#160;(&#8220;TASC&#8221;) sought rehearing of the ACC&#8217;s decision regarding the value and cost of DG. TASC asserted that the ACC improperly ignored the Administrative Procedure Act, failed to give adequate notice regarding the scope of the proceedings, and relied on information that was not submitted as evidence, among other alleged defects. TASC filed a Notice of Appeal in the Arizona Court of Appeals and filed a Complaint and Statutory Appeal in the Maricopa County Superior Court on March&#160;10, 2017.  As part of the 2017 Settlement Agreement described above, TASC agreed to withdraw these appeals when the ACC decision implementing the 2017 Settlement Agreement is no longer subject to appellate review.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See &#8220;2016 Retail Rate Case Filing with the Arizona Corporation Commission&#8221; above for information regarding an ACC order in connection with the rate review of the 2017 Rate Case Decision requiring APS to provide grandfathered net metering customers on legacy demand rates with an opportunity to switch to another legacy rate to enable such customers to benefit from legacy net metering rates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Subpoena from Former Arizona Corporation Commissioner Robert Burns</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 25, 2016, then-Commissioner Robert Burns, individually and not by action of the ACC as a whole, served subpoenas in APS&#8217;s then current retail rate proceeding on APS and Pinnacle West for the production of records and information relating to a range of expenditures from 2011 through 2016. The subpoenas requested information concerning marketing and advertising expenditures, charitable donations, lobbying expenses, contributions to 501(c)(3) and (c)(4) nonprofits and political contributions.  The return date for the production of information was set as September 15, 2016. The subpoenas also sought testimony from Company personnel having knowledge of the material, including the Chief Executive Officer. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On September 9, 2016, APS filed with the ACC a motion to quash the subpoenas or, alternatively to stay APS&#8217;s obligations to comply with the subpoenas and decline to decide APS&#8217;s motion pending court proceedings. Contemporaneously with the filing of this motion, APS and Pinnacle West filed a complaint for special action and declaratory judgment in the Superior Court of Arizona for Maricopa County, seeking a declaratory judgment that Burns&#8217; subpoenas are contrary to law.  On September 15, 2016, APS produced all non-confidential and responsive documents and offered to produce any remaining responsive documents that are confidential after an appropriate confidentiality agreement is signed.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On February 7, 2017, Burns opened a new ACC docket and indicated that its purpose is to study and rectify problems with transparency and disclosure regarding financial contributions from regulated monopolies or other stakeholders who may appear before the ACC that may directly or indirectly benefit an ACC Commissioner, a candidate for ACC Commissioner, or key ACC Staff.&#160; As part of this docket, Burns set March 24, 2017 as a deadline for the production of all information previously requested through the subpoenas. Neither APS nor Pinnacle West produced the information requested and instead objected to the subpoena.  On March 10, 2017, Burns filed suit against APS and Pinnacle West in the Superior Court of Arizona for Maricopa County in an effort to enforce his subpoenas.  On March 30, 2017, APS filed a motion to dismiss Burns&#8217; suit against APS and Pinnacle West.   In response to the motion to dismiss, the court stayed the suit and ordered Burns to file a motion to compel the production of the information sought by the subpoenas with the ACC.  On June 20, 2017, the ACC denied the motion to compel. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 4, 2017, Burns amended his complaint to add all of the ACC Commissioners and the ACC itself as defendants.  All defendants moved to dismiss the amended complaint.  On February 15, 2018, the </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">33</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i6ef18eb4fcb84494bf5c2f361b446b82" continuedAt="i3d05a81dc2754707b5e908cc45205152"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Superior Court dismissed Burns&#8217; amended complaint. On March 6, 2018, Burns filed an objection to the proposed final order from the Superior Court and a motion to further amend his complaint.  The Superior Court permitted Burns to amend his complaint to add a claim regarding his attempted investigation into whether his fellow commissioners should have been disqualified from voting on APS&#8217;s 2017 rate case.  Burns filed his second amended complaint, and all defendants filed responses opposing the second amended complaint and requested that it be dismissed.  Oral argument occurred in November 2018 regarding the motion to dismiss.  On December 18, 2018, the trial court granted the defendants&#8217; motions to dismiss and entered final judgment on January 18, 2019.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On February 13, 2019, Burns filed a notice of appeal.  On July 12, 2019, Burns filed his opening brief in the Arizona Court of Appeals.  APS filed its answering brief on October 21, 2019.  The Arizona Court of Appeals originally granted the request for oral argument; however, on March 31, 2020, the court vacated the date scheduled for oral argument given the COVID-19 pandemic.&#160; The court determined that the matter could be submitted without oral argument and has taken the matter under advisement and will issue a decision without oral argument.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Burns&#8217; position as an ACC commissioner ended on January 4, 2021.  Nevertheless, Burns filed a motion with the Court of Appeals arguing that the appeal was not mooted by this fact and the court should decide the matter.  Both APS and the ACC filed responses opposing the motion and asserting that the matter is moot.  Pinnacle West and APS cannot predict the outcome of this matter. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Information Requests from Arizona Corporation Commissioners  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 14, 2019, ACC Commissioner Kennedy opened a docket to investigate campaign expenditures and political participation of APS and Pinnacle West. In addition, on February 27, 2019, ACC Commissioners Burns and Dunn opened a new docket and requested documents from APS and Pinnacle West related to ACC elections and charitable contributions related to the ACC. On March 1, 2019, ACC Commissioner Kennedy issued a subpoena to APS seeking several categories of information for both Pinnacle West and APS, including political contributions, lobbying expenditures, marketing and advertising expenditures, and contributions made to 501(c)(3) and 501(c)(4) entities, for the years 2013-2018.  Pinnacle West and APS voluntarily responded to both sets of requests on March 29, 2019.  APS also received and responded to various follow-on requests from ACC Commissioners on these matters.  Pinnacle West and APS cannot predict the outcome of these matters.  The Company&#8217;s CEO, Mr. Guldner, appeared at the ACC&#8217;s January 14, 2020 Open Meeting regarding ACC Commissioners&#8217; questions about political spending.&#160; Mr. Guldner committed to the ACC that, during his tenure, Pinnacle West and APS, and any of their affiliated companies, will not participate in ACC campaign elections through financial contributions or in-kind contributions.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Energy Modernization Plan</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 30, 2018, former ACC Commissioner Tobin proposed the Energy Modernization Plan, which consisted of a series of energy policies tied to clean energy sources such as energy storage, biomass, energy efficiency, electric vehicles, and expanded energy planning through the integrated resource plan (&#8220;IRP&#8221;) process.  In August 2018, the ACC directed ACC Staff to open a new rulemaking docket which will address a wide range of energy issues, including the Energy Modernization Plan proposals. The rulemaking will consider possible modifications to existing ACC rules, such as the RES, Electric and Gas Energy Efficiency Standards, Net Metering, Resource Planning, and the Biennial Transmission Assessment, as well as the development of new rules regarding forest bioenergy, electric vehicles, interconnection of distributed </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">34</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i3d05a81dc2754707b5e908cc45205152" continuedAt="if68d9f691f2a4cd9bc3353157f7cb88b"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">generation, baseload security, blockchain technology and other technological developments, retail competition, and other energy-related topics. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On April 25, 2019, the ACC Staff issued an initial set of draft energy rules and held various workshops to incorporate feedback from stakeholders and ACC Commissioners from April 2019 through July 2020.  At the March 11-12, 2020 workshop, the ACC Staff committed to filing a final draft of proposed rules by July 2020.  On July 30, 2020, the ACC Staff issued final draft energy rules which proposed 100% of retail kWh sales from clean energy resources by the end of 2050.  Nuclear is defined as a clean energy resource. The proposed rules also require 50% of retail energy served be renewable by the end of 2035.  A new energy efficiency standard was not included in the proposed rules.  APS would be required to obtain approval of its action plan included in its IRP and seek recovery of prudently incurred costs in a rate process. If approved by the ACC Commissioners, the rules would require utilities to file a Clean Energy Implementation Plan and Energy Efficiency Report as part of their IRP every three years beginning in 2023. In addition, the ACC Staff proposed changing the IRP planning horizon from 15 years to 10 years.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The ACC has discussed the final draft energy rules at several different meetings in 2020.  On October 14, 2020, the ACC passed one amendment to ACC Staff&#8217;s final draft energy rules that will require electric utilities to obtain 35% of peak load (as measured in 2020) by 2030 from DSM resources, including traditional energy efficiency, demand response and other programs aimed at reducing energy usage, peak demand management and load shifting.  This standard aligns with the proposed rules&#8217; three-year resource planning cycle and allows recovery of costs through existing mechanisms until the ACC issues a decision in a future rate proceeding.  On October 29, 2020, the ACC approved an amendment that will require electric utilities to reduce their carbon emissions over 2016-2018 levels by 50% by 2032; 75% by 2040; and 100% by 2050.  The ACC also approved an amendment that will require utilities to install energy storage systems with an aggregate capacity equal to 5% of each utility&#8217;s 2020 peak demand by 2035, of which 40% must be derived from customer-owned or customer-leased distributed storage.  Another approved amendment modifies the resource planning process, including requirements for the ACC to approve a utility&#8217;s load forecast and resource plan, and for a utility to perform an all-source request for information to guide its resource plan.  On November 13, 2020, the ACC approved a final draft energy rules package.  On April 19, 2021, the Administrative Law Judge issued a Recommended Order and Opinion on the final energy rules and the ACC will need to review and approve the Recommended Order and Opinion before the rules will take effect.  APS cannot predict the outcome of this matter.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:115%">Integrated Resource Planning </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">ACC rules require utilities to develop 15-year IRPs which describe how the utility plans to serve customer load in the plan timeframe.&#160; The ACC reviews each utility&#8217;s IRP to determine if it meets the necessary requirements and whether it should be acknowledged.&#160; In March of 2018, the ACC reviewed the 2017 IRPs of its jurisdictional utilities and voted to not acknowledge any of the plans.&#160; APS does not believe that this lack of acknowledgment will have a material impact on our financial position, results of operations or cash flows.&#160; Based on an ACC decision, APS was originally required to file its next IRP by April 1, 2020. &#160;On February 20, 2020, the ACC extended the deadline for all utilities to file their IRP&#8217;s from April 1, 2020 to June&#160;26, 2020.  On June 26, 2020, APS filed its final IRP.  On July 15, 2020, the ACC extended the schedule for final ACC review of utility IRPs to February 2021.  In March 2021, the ACC Staff requested additional time to prepare its assessment of utility IRPs.  The ACC has taken no action on APS&#8217;s IRP.  APS cannot predict the outcome of this matter.  See &#8220;Energy Modernization Plan&#8221; above for information regarding proposed changes to the IRP filings. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Public Utility Regulatory Policies Act</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Under the Public Utility Regulatory Policies Act of 1978 (&#8220;PURPA&#8221;), qualifying facilities are provided the right to sell energy and/or capacity to utilities and are granted relief from certain regulatory burdens.  On </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">35</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="if68d9f691f2a4cd9bc3353157f7cb88b" continuedAt="iab966be40d404378826160f1e88ea676"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">December 17, 2019, the ACC mandated a minimum contract length of 18 years for qualifying facilities over 100 kW in Arizona, and established that the rate paid to qualifying facilities must be based on the long-term avoided cost.  &#8220;Avoided cost&#8221; is generally defined as the price at which the utility could purchase or produce the same amount of power from sources other than the qualifying facility on a long-term basis.  During calendar year 2020, APS entered into <ix:nonFraction unitRef="program" contextRef="i1412e38a757b41f7a095751c09ff4f36_D20200101-20201231" decimals="INF" format="ixt-sec:numwordsen" name="pnw:PublicUtilitiesNumberOfPrograms" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTg5NTYwNDc0NTAyNA_2c3997e6-1e48-4110-b309-858c15a91983">two</ix:nonFraction> <ix:nonNumeric contextRef="i1412e38a757b41f7a095751c09ff4f36_D20200101-20201231" format="ixt-sec:duryear" name="pnw:PublicUtilitiesProgramTerm" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTg5NTYwNDc0NTAyOA_9675d616-6b40-4aa1-933c-10e13bcc9119">18</ix:nonNumeric>-year power purchase agreements with qualified facilities, each for <ix:nonFraction unitRef="mw" contextRef="i1412e38a757b41f7a095751c09ff4f36_D20200101-20201231" decimals="INF" name="pnw:PublicUtilitiesSolarPowerCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfOTg5NTYwNDc0NTA5OQ_62e9fd38-c764-47d5-a2af-133e2bfdbad5">80</ix:nonFraction> MW solar facilities.  In March 2021, the ACC approved these agreements.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> On July 16, 2020, FERC issued a final rule revising FERC&#8217;s regulations implementing PURPA.  The final rule went into effect on December 31, 2020.  APS is evaluating how the revised regulations may impact its operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Residential Electric Utility Customer Service Disconnections</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 13, 2019, APS voluntarily suspended electric disconnections for residential customers who had not paid their bills.  On June 20, 2019, the ACC voted to enact emergency rule amendments to prevent residential electric utility customer service disconnections during the period June 1 through October 15 (&#8220;Summer Disconnection Moratorium&#8221;).  During the Summer Disconnection Moratorium, APS could not charge late fees and interest on amounts that were past due from customers.  Customer deposits must also be used to pay delinquent amounts before disconnection can occur and customers will have four months to pay back their deposit and any remaining delinquent amounts.  In accordance with the emergency rules, APS began putting delinquent customers on a mandatory four-month payment plan beginning on October 16, 2019.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In June 2019, the ACC began a formal regular rulemaking process to allow stakeholder input and time for consideration of permanent rule changes.  The ACC further ordered that each regulated electric utility serving retail customers in Arizona update its service conditions by incorporating the emergency rule amendments, restore power to any customers who were disconnected during the month of June 2019 and credit any fees that were charged for a reconnection.  The ACC Staff and ACC proposed draft amendments to the customer service disconnections rules.  ACC stakeholder meetings were held in September 2019, October 2019 and January 2020 regarding the customer service disconnections rules.  On April 14, 2021, the ACC voted to send to the formal rulemaking process a draft rules package governing customer disconnections that allows utilities to choose between a temperature threshold (above 95 degrees and below 32 degrees) or calendar threshold (June 1 &#8211; October 15) for disconnection moratoriums.  During the formal rulemaking process, the public will have an opportunity to provide input on the draft rules, before the draft rules come back to the ACC for a final vote.  The Summer Disconnection Moratorium will remain in effect until the ACC formalizes the final rules package.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Due to the COVID-19 pandemic, APS voluntarily suspended disconnections of customers for nonpayment and waived late payment fees beginning March 13, 2020 until December 31, 2020.   The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and customers were automatically placed on eight-month payment arrangements if they had past due balances at the end of the disconnection period of $75 or greater.  APS will continue to waive late payment fees until October 15, 2021.  APS has experienced and is continuing to experience an increase in bad debt expense associated with the COVID-19 pandemic.   See &#8220;COVID-19 Pandemic&#8221; above for more information.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Retail Electric Competition Rules</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 17, 2018, the ACC voted to re-examine the facilitation of a deregulated retail electric market in Arizona.  An ACC special open meeting workshop was held on December 3, 2018. No substantive action was taken, but interested parties were asked to submit written comments and respond to a list of questions from ACC Staff. On July 1 and July 2, 2019, ACC Staff issued a report and initial proposed draft </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">36</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="iab966be40d404378826160f1e88ea676" continuedAt="i324d00eec2dc43dd8e0a0804cd653395"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">rules regarding possible modifications to the ACC&#8217;s retail electric competition rules.  Interested parties filed comments to the ACC Staff report and a stakeholder meeting and workshop to discuss the retail electric competition rules was held on July 30, 2019.  ACC Commissioners submitted additional questions regarding this matter.  On February 10, 2020, two ACC Commissioners filed two sets of draft proposed retail electric competition rules.  On February 12, 2020, ACC Staff issued its second report regarding possible modifications to the ACC&#8217;s retail electric competition rules.  The ACC held a workshop on February 25-26, 2020 on further consideration and discussion of the retail electric competition rules.  During a July 15, 2020 ACC Staff meeting, the ACC Commissioners discussed the possible development of a retail competition pilot program, but no action was taken.  The ACC Commissioners are continuing to explore the retail electric competition rules.  APS cannot predict whether these efforts will result in any changes and, if changes to the rules results, what impact these rules would have on APS. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Rate Plan Comparison Tool and Investigation</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 14, 2019, APS learned that its rate plan comparison tool was not functioning as intended due to an integration error between the tool and APS&#8217;s meter data management system.  APS immediately removed the tool from its website and notified the ACC.  The purpose of the tool was to provide customers with a rate plan recommendation based upon historical usage data.  Upon investigation, APS determined that the error may have affected rate plan recommendations to customers between February 4, 2019 and November 14, 2019.  By the middle of May 2020, APS provided refunds to approximately <ix:nonFraction unitRef="customer" contextRef="i145805caebb24b27a9371ff3d1c73dda_I20191114" decimals="-3" format="ixt:numdotdecimal" name="pnw:RatePlanComparisonToolNumberOfCustomers" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTY1NDU_bf03e6f4-acc7-462a-ac07-dc2596fa497f">13,000</ix:nonFraction> potentially impacted customers equal to the difference between what they paid for electricity and the amount they would have paid had they selected their most economical rate, as applicable, and a $<ix:nonFraction unitRef="usd" contextRef="i4528e4b896424027a21a1448eca53b5b_D20191114-20191114" decimals="INF" name="pnw:RatePlanComparisonToolInconveniencePayment" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTY3NDU_27de9abc-d68b-4067-805b-a9e6ac487600">25</ix:nonFraction> payment for any inconvenience that the customer may have experienced.  The refunds and payment for inconvenience being provided did not have a material impact on APS&#8217;s financial statements.  APS developed a new tool for comparing customers&#8217; rate plan options.&#160; APS had an independent third party verify that the new rate comparison tool works correctly.&#160; In February 2020, APS launched the new online rate comparison tool, which is now available for its customers.  The ACC hired an outside consultant to evaluate the extent of the error and the overall effectiveness of</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> the tool.  On August 20, 2020, ACC Staff filed the outside consultant&#8217;s report on APS&#8217;s rate comparison tool. The report concluded APS&#8217;s new rate comparison tool is working as intended.  The report also identified a small population of additional customers that may have been affected by the error and APS has provided refunds and the $<ix:nonFraction unitRef="usd" contextRef="i2aa06207bd1f43e6992915629a7efe40_D20200820-20200820" decimals="INF" name="pnw:RatePlanComparisonToolInconveniencePayment" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTc2NTI_5affa31a-cf16-4e8b-a1ed-3108d539fa09">25</ix:nonFraction> inconvenience payment to approximately <ix:nonFraction unitRef="customer" contextRef="ida5309f79d49493ba9177a81c33e799b_I20200820" decimals="-2" format="ixt:numdotdecimal" name="pnw:RatePlanComparisonToolNumberOfCustomers" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTc2OTQ_98867a35-f484-4323-9d80-3045113ad3f6">3,800</ix:nonFraction> additional customers.  These additional refunds and payment for inconvenience did not have a material impact on APS&#8217;s financial statements.  On September 28, 2020, the ACC discussed this report but did not take any action.  APS cannot predict if any action will be taken by the ACC at this time.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS received civil investigative demands from the Office of the Arizona Attorney General, Civil Litigation Division, Consumer Protection &amp; Advocacy Section (&#8220;Attorney General&#8221;) seeking information pertaining to the rate plan comparison tool offered to APS customers and other related issues including implementation of rates from the 2017 Settlement Agreement and its Customer Education and Outreach Plan associated with the 2017 Settlement Agreement.  APS fully cooperated with the Attorney General&#8217;s Office in this matter.   On February 22, 2021 APS entered into a consent agreement with the Attorney General as a way to settle the matter.  The settlement results in APS paying $<ix:nonFraction unitRef="usd" contextRef="ib7597f969e884516bbcb1b5478329cb8_D20210222-20210222" decimals="-4" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedToOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTczNw_1bb9c19a-6767-4787-88d7-a8f9ea7c3bf6">24.75</ix:nonFraction>&#160;million, $<ix:nonFraction unitRef="usd" contextRef="ib7597f969e884516bbcb1b5478329cb8_D20210222-20210222" decimals="-6" format="ixt:numdotdecimal" name="pnw:LitigationSettlementAmountAwardedToCustomers" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTc1Mw_85874e82-568b-4584-bc48-36cc28442cdb">24</ix:nonFraction>&#160;million of which is being returned to customers as restitution.  While this matter has been resolved with the Attorney General, APS cannot predict whether additional inquiries or actions may be taken by the ACC.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Four Corners SCR Cost Recovery</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 29, 2017, in accordance with the 2017 Rate Case Decision, APS filed a Notice of Intent to file its SCR Adjustment to permit recovery of costs associated with the installation of SCR equipment at Four Corners Units 4 and 5.&#160; APS filed the SCR Adjustment request in April 2018.&#160; Consistent with the 2017 </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">37</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i324d00eec2dc43dd8e0a0804cd653395" continuedAt="i5feef41072df4b84a3dacf22aecde3be"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Rate Case Decision, the request was narrow in scope and addressed only costs associated with this specific environmental compliance equipment.&#160; The SCR Adjustment request provided that there would be a $<ix:nonFraction unitRef="usd" contextRef="if9d3ba6b24ac44a68c7602869aa454b1_D20180401-20180430" decimals="-5" format="ixt:numdotdecimal" name="pnw:SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTkwMTA_e98fc856-150c-4a19-b26c-07059c37891b">67.5</ix:nonFraction> million annual revenue impact that would be applied as a percentage of base rates for all applicable customers.&#160; Also, as provided for in the 2017 Rate Case Decision, APS requested that the adjustment become effective no later than January 1, 2019.&#160; The hearing for this matter occurred in September 2018.&#160; At the hearing, APS accepted ACC Staff&#8217;s recommendation of a lower annual revenue impact of approximately $<ix:nonFraction unitRef="usd" contextRef="if176dc374f104d1b82482bc7a7ffae38_D20180901-20180930" decimals="-5" format="ixt:numdotdecimal" name="pnw:SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTk0MTg_c95e9a99-a875-4abc-8a88-357d793706ab">58.5</ix:nonFraction> million.  The Administrative Law Judge issued a Recommended Opinion and Order finding that the costs for the SCR project were prudently incurred and recommending authorization of the $<ix:nonFraction unitRef="usd" contextRef="if176dc374f104d1b82482bc7a7ffae38_D20180901-20180930" decimals="-5" format="ixt:numdotdecimal" name="pnw:SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNTk1OTY_5f890a48-5ca3-4203-8d2d-d42765e320a0">58.5</ix:nonFraction> million annual revenue requirement related to the installation and operation of the SCRs.  Exceptions to the Recommended Opinion and Order were filed by the parties and intervenors on December 7, 2018.&#160; The ACC has not issued a decision on this matter.  APS included the costs for the SCR project in the retail rate base in its 2019 Retail Rate Case filing with the ACC.  On March 18, 2020, the ACC agreed to take administrative notice to include in the pending rate case portions of the record in this prior proceeding that are relevant to the SCRs.  APS cannot predict the outcome or timing of the decision on this matter.  APS may be required to record a charge to its results of operations if the ACC issues an unfavorable decision (see SCR deferral in the Regulatory Assets and Liabilities table below).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Cholla</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On September 11, 2014, APS announced that it would close Unit 2 of the Cholla Power Plant (&#8220;Cholla&#8221;) and cease burning coal at the other APS-owned units (Units 1 and 3) at the plant by the mid-2020s, if the United States Environmental Protection Agency (&#8220;EPA&#8221;) approved a compromise proposal offered by APS to meet required environmental and emissions standards and rules.  On April 14, 2015, the ACC approved APS&#8217;s plan to retire Unit 2, without expressing any view on the future recoverability of APS&#8217;s remaining investment in the unit.  APS closed Unit 2 on October 1, 2015.  In early 2017, EPA approved a final rule incorporating APS&#8217;s compromise proposal, which took effect on April 26, 2017. In December 2019, PacifiCorp notified APS that it planned to retire Cholla Unit 4 by the end of 2020.  Cholla Unit 4 was retired on December 24, 2020.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Previously, APS estimated Cholla Unit 2&#8217;s end of life to be 2033.  APS has been recovering a return on and of the net book value of the unit in base rates.  Pursuant to the 2017 Settlement Agreement described above, APS will be allowed continued recovery of the net book value of the unit and the unit&#8217;s decommissioning and other retirement-related costs ($<ix:nonFraction unitRef="usd" contextRef="ifa94e05156334d24a0a5e460a17e5697_I20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetNetBookValue" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjE1NjQ_1b918260-e052-49df-b4ac-01812b0a0203">52.9</ix:nonFraction> million as of March&#160;31, 2021), in addition to a return on its investment.  In accordance with GAAP, in the third quarter of 2014, Unit 2&#8217;s remaining net book value was reclassified from property, plant and equipment to a regulatory asset.  The 2017 Settlement Agreement also shortened the depreciation lives of Cholla Units 1 and 3 to 2025. </span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Navajo Plant</span></div><div><span><br/></span></div><div style="margin-bottom:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Navajo Plant ceased operations in November 2019.  The co-owners and the Navajo Nation executed a lease extension on November 29, 2017 that allows for decommissioning activities to begin after the plant ceased operations. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is currently recovering depreciation and a return on the net book value of its interest in the Navajo Plant over its previously estimated life through 2026.  APS will seek continued recovery in rates for the book value of its remaining investment in the plant ($<ix:nonFraction unitRef="usd" contextRef="i9edf503e90fa42ab8ce31af0b999f02e_I20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetNetBookValue" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjMxNTk_5bd5d1cb-446b-42a5-8d00-7bcbf371e9f5">69.4</ix:nonFraction> million as of March&#160;31, 2021) plus a return on the net book value as well as other costs related to retirement and closure, including the Navajo coal reclamation regulatory asset ($<ix:nonFraction unitRef="usd" contextRef="i5de09e8f15e84e92b276c7f8b0b71023_I20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetNetBookValue" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTc2Ng_de03933f-1816-4a40-be9b-93446239ad95">17.8</ix:nonFraction>&#160;million as of March 31, 2021).  APS believes it will be allowed recovery of the net book value, retirement and closure costs, in addition to a return on its investment.  In accordance with GAAP, in the second quarter of 2017, APS&#8217;s remaining net book value of its interest in the Navajo Plant was reclassified from property, plant and equipment to a regulatory asset.  If the ACC does not allow full recovery </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">38</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i5feef41072df4b84a3dacf22aecde3be" continuedAt="i01a96e663fa749b1b3250056f2e3df68"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">of the remaining net book value of this interest, all or a portion of the regulatory asset will be written off and APS&#8217;s net income, cash flows, and financial position will be negatively impacted.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Regulatory Assets and Liabilities</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfRegulatoryAssetsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMjM_5fcc388f-ef2f-4282-825a-d4c882a81c98" escape="true"><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The detail of regulatory assets is as follows (dollars in thousands):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:36.583%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.363%"></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:10.630%"></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:10.630%"></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:10.630%"></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:10.632%"></td><td style="width:0.1%"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amortization Through</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 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style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i930d4ccf3ebb4143a3212f8c150716df_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMy01LTEtMS0zNDE4_b2dec893-9a63-4918-83dd-f690a272e20c">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic1778e3270e54abdb478664ce2ebc26f_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMy03LTEtMS0zNDE4_12556ba8-bc23-41e9-9edb-6c4b0a6b0a3e">175,835</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic1778e3270e54abdb478664ce2ebc26f_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMy03LTEtMS0w_ea2b9090-628e-4270-acab-1ba6db73fbc7">7,169</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c84cdebb2b044aca390c5e37ba4480a_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMy05LTEtMS0w_29ee3013-a38d-40eb-9a9c-66c194e26adc">158,776</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Retired power plant costs</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2033</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i89a5eb80797b48bebd16b831dc0d4736_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNS0zLTEtMS0w_5843388b-2fc3-4846-b39e-29ed0204eb72">28,182</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i89a5eb80797b48bebd16b831dc0d4736_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNS01LTEtMS0w_122ff194-4e15-4fc0-9141-fa271ac63a52">107,169</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if30547ca6784412699c4bfe16441a3a8_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNS03LTEtMS0w_d36c1a4f-be96-44c7-8cad-c560edf2362c">28,181</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if30547ca6784412699c4bfe16441a3a8_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNS05LTEtMS0w_f0a8ea3b-0ee1-4fd3-89f7-552307199173">114,214</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Ocotillo deferral</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic4cf1752883f4e8dbaa99d9d23dc1186_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNi0zLTEtMS0w_5ddb65ca-db03-49f5-8c2f-86bfb01a1656">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic4cf1752883f4e8dbaa99d9d23dc1186_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNi01LTEtMS0w_3ebc3f14-031e-4c6f-933e-546bd1785108">110,820</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic6ffab9ac4964a16b497d7da021d293c_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNi03LTEtMS0w_37be7fc2-ed0a-4bf4-8f13-71e2fba201a2">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic6ffab9ac4964a16b497d7da021d293c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNi05LTEtMS0w_28c68879-8cef-4e7f-87d0-c6f33f9ba776">95,723</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">SCR deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id02ae444f4ab48f09b58aeaadf8c7bd1_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNy0zLTEtMS0w_0e55ce22-b4c7-4221-bf5c-a0252576dff7">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id02ae444f4ab48f09b58aeaadf8c7bd1_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNy01LTEtMS0w_627f2edb-32a3-4750-b34b-54dcf9ed2ffb">88,044</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia4bcf387c8fc42c487cd0672599f7de1_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNy03LTEtMS0w_c346cb11-4907-4c03-b089-d6dbbad60843">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia4bcf387c8fc42c487cd0672599f7de1_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfNy05LTEtMS0w_ce5f1c89-c5e4-46d5-834f-5a4fc2b04a11">81,307</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred property taxes</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2027</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id9775613e8e14f469bb679a8bd4e0c2f_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfOC0zLTEtMS0w_d89b3fa9-0069-490b-9289-d8e867d11669">8,569</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id9775613e8e14f469bb679a8bd4e0c2f_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfOC01LTEtMS0w_e4f36e77-dd8f-4663-9a0d-91e201e12fa2">47,484</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9d3dec9b09ed4887950199e252c70fea_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfOC03LTEtMS0w_20d3ca84-81c9-4799-826c-584fd5703507">8,569</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9d3dec9b09ed4887950199e252c70fea_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfOC05LTEtMS0w_e45e13f8-51e7-42e7-8419-fb4cec154cf1">49,626</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Lost fixed cost recovery (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i860857d97798438d814bf1555f2904ce_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfOS01LTEtMS0w_397a9e3f-9c3a-45f1-ad51-eebc29e8327a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id568cc13bf8f4f6092e7707e0da54b70_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfOS05LTEtMS0w_a1341137-42e4-41a0-96af-e95514d3b2f4">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 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name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTAtMy0xLTEtMA_c7e853c3-a4c8-4a14-900e-99088083d463">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i52adf007ea21413280d3a2d6e7f8e3a2_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTAtNS0xLTEtMA_805ae1a2-7be3-497a-9cf2-c3b57e846550">35,806</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2ce10a3df7814154b15fe8571bdecdf4_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTAtNy0xLTEtMA_60a9d8a6-a167-45f0-a060-e04fd6e40851">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2ce10a3df7814154b15fe8571bdecdf4_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTAtOS0xLTEtMA_3568be89-ed7a-452c-a61b-e7c31fdb8286">36,195</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Four Corners cost deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i977190ef8f6541e8b4bf7d70d881f9ab_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTEtMy0xLTEtMA_dec187be-b26d-4b37-95cf-53ac82f4a12c">8,077</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i977190ef8f6541e8b4bf7d70d881f9ab_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTEtNS0xLTEtMA_831b6dfe-1c30-4eb5-af23-b79c33bea60d">22,056</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i05ad0d7094174ff7ac8a0955e0db25ff_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTEtNy0xLTEtMA_5e3c53a4-906d-4e21-9bfc-c65f5f508363">8,077</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i05ad0d7094174ff7ac8a0955e0db25ff_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTEtOS0xLTEtMA_91c68fa8-570f-4fcd-b3ac-5c405560a886">24,075</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; investment tax credit basis adjustment</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i80868b8eb8f1485886bc4bd02cf50ac4_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTItNS0xLTEtMA_404dccac-32f7-4031-b7d1-fb2032e890c5">24,221</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie9745cdead314978beeabefe8e179125_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTItNy0xLTEtMA_2f750c33-ff49-42d3-ac75-273f432b7c20">1,113</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie9745cdead314978beeabefe8e179125_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTItOS0xLTEtMA_cff47c3a-9142-4e16-b38e-24bab6d95e4a">24,291</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Palo Verde VIEs (Note 6)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2046</span></td><td 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib59dcce71b9449c08e8e2306e7b00a5e_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTMtNS0xLTEtMA_206b0c50-0016-472f-95e0-4b2e172aa9b9">21,409</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id994d8bd9f0346e0a4ac7cf0b7c6aba2_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTMtNy0xLTEtMA_b0090b29-9140-48d3-98c9-45d18181d20a">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id994d8bd9f0346e0a4ac7cf0b7c6aba2_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTMtOS0xLTEtMA_23f5771d-5efd-4f09-ae0a-0a0e5f10dea0">21,255</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Coal reclamation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2026</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic11174923df544a0b0a229595a3e482a_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTQtMy0xLTEtMA_19bc3707-e2dd-4b37-8741-37e6c94de049">1,068</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic11174923df544a0b0a229595a3e482a_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTQtNS0xLTEtMA_b87bf37c-9174-4c36-ad14-7abeaa8f7dda">16,732</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia7f0339688ad421ebeb6132f35a71970_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTQtNy0xLTEtMA_960943d7-4443-44c3-8236-bb8ca645d7d8">1,068</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia7f0339688ad421ebeb6132f35a71970_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTQtOS0xLTEtMA_777eebcb-6760-4457-8bd3-0c88abc6c47e">16,999</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Loss on reacquired debt</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2038</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia418c95402094f2e8a4ba6d47420b51e_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTUtMy0xLTEtMA_feeb95fa-569f-4eae-aedb-26251cd34545">1,703</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia418c95402094f2e8a4ba6d47420b51e_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTUtNS0xLTEtMA_3134a34e-6e9a-4336-80b6-fbac12140453">10,486</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i74d1a1828221424789ace02659379286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTUtNy0xLTEtMA_c0ad22a8-ef27-4efb-8120-eb517b1c0d59">1,689</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i74d1a1828221424789ace02659379286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTUtOS0xLTEtMA_06d4d5e3-2f9a-436a-8126-5a6291d60898">10,877</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Mead-Phoenix transmission line contributions in aid of construction (&#8220;CIAC&#8221;)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2050</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i834eb117a531404497c611274a7bcbdf_I20210331" decimals="-3" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTYtMy0xLTEtMA_6bdf098d-95e9-4abf-b7e7-1321a22a5fa0">332</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i834eb117a531404497c611274a7bcbdf_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTYtNS0xLTEtMA_eb7200d2-3aa1-4883-b01c-35fed267a6b5">9,297</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i54efd57fe6834f6991c85fe52ecb2d82_I20201231" decimals="-3" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTYtNy0xLTEtMA_ad73bc01-78e1-46e5-84ed-23cb8f461389">332</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i54efd57fe6834f6991c85fe52ecb2d82_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTYtOS0xLTEtMA_249446cf-8b6d-480a-9351-005b856bee6d">9,380</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Demand side management (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id768c9ffbc174c0fa83998c8611b4ded_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTctMy0xLTEtMA_0d2a65cd-79af-4285-98f6-b23446ee2a8c">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id768c9ffbc174c0fa83998c8611b4ded_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTctNS0xLTEtMA_bdf1f470-830a-4f14-bf29-dedbd5fd8a2d">7,268</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7a6eeb76cb4e4f86942388116488ee7e_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTctNy0xLTEtMA_78237eef-572f-4531-a761-4bbe01e7e138">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7a6eeb76cb4e4f86942388116488ee7e_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTctOS0xLTEtMA_17e75e14-3caf-4788-863b-6d3b3cce3a5a">7,268</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense adjustor mechanism (b)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i145632b5b97b4f5f9bb429c148ec59bd_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTgtMy0xLTEtMA_91ec27d4-6477-4fcb-8fd1-4d7998eb7eeb">5,854</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i145632b5b97b4f5f9bb429c148ec59bd_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTgtNS0xLTEtMA_5e2c041c-d337-4ae7-a92f-8decc640852f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ice6d1056832b4e7382d6065704e1baf4_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTgtNy0xLTEtMA_412b78b0-e7f1-42cb-a991-91901bca7255">6,226</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ice6d1056832b4e7382d6065704e1baf4_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTgtOS0xLTEtMA_f476cdf6-54f8-4cf3-a782-23e4f6ef6f30">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense of Medicare subsidy</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i33d2b58cb69c49c69b360e38e1598077_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktMy0xLTEtMzQyNg_88761fab-a86f-4940-96c5-ca1610ea971e">1,235</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i33d2b58cb69c49c69b360e38e1598077_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktNS0xLTEtMzQyNg_e8069a0e-ed59-40d7-850e-9da7d66b5ee5">3,626</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i86f5064f59d3439c9253722a8847c2ef_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktNy0xLTEtMzQyNg_1a1a7422-234f-4dc0-a2b6-353669b34432">1,235</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i86f5064f59d3439c9253722a8847c2ef_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktOS0xLTEtMzQyNg_dbc27aa9-4faf-4217-882f-c65c7005ecce">3,704</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power &#8212; mark-to-market (Note 7)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i47943374f14048b0bd6ba037eeded301_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktMy0xLTEtMA_8b07565d-e1ce-4603-a178-42fefc8c8397">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i47943374f14048b0bd6ba037eeded301_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktNS0xLTEtMA_3868bfcc-970c-46e6-af3b-db5ccdbc73c1">3,728</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifee2026cefc6441fbe712b58f9a00b8e_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktNy0xLTEtMA_94536ed5-4c13-4edc-907f-0183a86b0a54">3,341</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifee2026cefc6441fbe712b58f9a00b8e_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMTktOS0xLTEtMA_47f02a5a-0009-4e74-9419-ec18bbc7e73a">9,244</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">PSA interest</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</span></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="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if04bdd30c6e24ab5bc5dd0f394f64ee6_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjMtOS0xLTEtMjAzNA_5f0c76dc-ddf7-440d-98a0-7f895ea0c3f6">&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Various</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic46069df64bc42ee8def554a7fa2ae51_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjMtMy0xLTEtMA_181c905c-cac1-48f7-abbb-94cfdcf11d74">2,018</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic46069df64bc42ee8def554a7fa2ae51_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjMtNS0xLTEtMA_fa5c7a62-296d-4d87-ba95-31582eef5ac1">1,169</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if8fb202398ed48b5a7dd2ca24797ebe9_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjMtNy0xLTEtMA_fe682d15-477d-40c4-9145-f2d94b147509">2,716</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if8fb202398ed48b5a7dd2ca24797ebe9_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjMtOS0xLTEtMA_75a3b803-ff9d-472b-b33f-401ae9b931c8">1,100</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total regulatory assets (d)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjQtMy0xLTEtMA_d31acfb9-d47a-4855-b15b-84157c46d490">339,880</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjQtNS0xLTEtMA_b797e66b-f1bb-4b1c-8857-a1bf73b4e401">1,135,857</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjQtNy0xLTEtMA_ba533f81-7c27-43d5-993f-22f27bb21e12">291,713</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryAssetsNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjY2MDM5ZTQ3NjQ3MzQ1MWJiNjg3NTVkNGZkMWM3NGJiL3RhYmxlcmFuZ2U6NjYwMzllNDc2NDczNDUxYmI2ODc1NWQ0ZmQxYzc0YmJfMjQtOS0xLTEtMA_7aeea154-b798-440d-bbde-2bf5a94c02e9">1,133,987</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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">This asset represents the future recovery of pension benefit obligations through retail rates.&#160; If these costs are disallowed by the ACC, this regulatory asset would be charged to other comprehensive income (&#8220;OCI&#8221;) and result in lower future revenues. See Note 5.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See &#8220;Cost Recovery Mechanisms&#8221; discussion above.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Subject to a carrying charge.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(d)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">There are no regulatory assets for which the ACC has allowed recovery of costs, but not allowed a return by exclusion from rate base.&#160; FERC rates are set using a formula rate as described in &#8220;Transmission Rates, Transmission Cost Adjustor and Other Transmission Matters.&#8221;</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">39</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i01a96e663fa749b1b3250056f2e3df68"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfRegulatoryLiabilitiesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMzM_65f5c8a4-9245-426f-bea8-b4ea9502fd6f" escape="true"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The detail of regulatory liabilities is as follows (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:36.583%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.363%"></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:10.630%"></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:10.630%"></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:10.630%"></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:10.632%"></td><td style="width:0.1%"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amortization Through</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td><td 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style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7eee9077a46341ba8e23b1caa929b438_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNC01LTEtMS0w_2fac5a57-acf2-4fe4-a38d-ed4a3873f7a6">519,015</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if32760822bb34051a1f75ac4ca3aca7a_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNC03LTEtMS0w_416e7ab1-882b-4985-b7f3-ea04afffe255">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if32760822bb34051a1f75ac4ca3aca7a_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNC05LTEtMS0w_0daa1050-3bc8-47a9-a996-555810b27055">506,049</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other postretirement benefits</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(d)</span></td><td 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i35594a54207846b2bb85f66cdeb87a1d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNS01LTEtMS0zNDM1_4a98d85f-75d4-4b8d-bee9-cb842f8bf7fc">337,853</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e80e0453f4942b5bbaf86252c88d92c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNS03LTEtMS0zNDM1_a3ef5caa-61f8-41b7-8514-3ab5e782ef2d">37,705</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e80e0453f4942b5bbaf86252c88d92c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNS05LTEtMS0zNDM1_0187e89e-f38f-471a-b723-22f82e3518f8">349,588</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Removal costs</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibfe7cd98e38a49e2bac8a44d10f5ae5f_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNS0zLTEtMS0w_49f4ef9a-39d7-43ce-b8ed-92b9fa8ec0df">55,247</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibfe7cd98e38a49e2bac8a44d10f5ae5f_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNS01LTEtMS0w_b9dda6bd-9412-4044-b883-34c1271f736d">89,937</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5fe7a3b2c532492aae46e829f9e0c882_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNS03LTEtMS0w_44d60bb9-89d6-41c0-ab16-f1b14833368a">52,844</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5fe7a3b2c532492aae46e829f9e0c882_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNS05LTEtMS0w_0e084db9-8b59-45a9-a52f-5dc2a2846daf">103,008</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; change in rates</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2050</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i73adab4198fd4c06a799faf1ab6a791a_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy0zLTEtMS0zNDQ0_21b16b9a-df13-4781-b79f-620ea7847ffa">2,839</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i73adab4198fd4c06a799faf1ab6a791a_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy01LTEtMS0zNDQ0_4efe33e8-ca82-4fb5-b784-70886796036a">66,374</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia206c8ce87004b33a5a55befb3a37434_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy03LTEtMS0zNDQ0_0c2000d6-eecf-4f54-a9ba-1caa669daf47">2,839</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia206c8ce87004b33a5a55befb3a37434_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy05LTEtMS0zNDQ0_52f331c3-1d06-4893-a899-5221de909052">66,553</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Four Corners coal reclamation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2038</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if1c37059dd0d4753ab2acefe2cc4d384_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy0zLTEtMS0w_15534a68-53bd-4c5d-a0d6-85f98399f0ab">5,461</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if1c37059dd0d4753ab2acefe2cc4d384_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy01LTEtMS0w_e237af23-10b5-4107-bf55-d7b95c12804e">49,703</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie86a1567b5ee4c079f08b6dee4767f07_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy03LTEtMS0w_71d918d4-54cd-47bb-ba96-e46056842568">5,460</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie86a1567b5ee4c079f08b6dee4767f07_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfNy05LTEtMS0w_03d2bd45-ac8b-41b9-b7a4-e48126f6c14c">49,435</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; deferred investment tax credit</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2049</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i61d5e1dc1eae4d17ae13e5995ed3e4f3_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOS0zLTEtMS0zNDUy_90037f82-415d-4895-8353-c328c31daba0">2,231</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i61d5e1dc1eae4d17ae13e5995ed3e4f3_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOS01LTEtMS0zNDUy_d1325bf9-fc40-4710-88cf-85cc6029b539">48,507</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaf8797ee66b24ae28a6ee938285a9df5_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOS03LTEtMS0zNDUy_897f1d83-bb87-4df0-a14e-0fed9f3cf675">2,231</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaf8797ee66b24ae28a6ee938285a9df5_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOS05LTEtMS0zNDUy_22bcdf65-bcd5-43f9-85b1-d31eee0f3df2">48,648</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Spent nuclear fuel</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2027</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ica2468f7d2614e50b371695404ed06d9_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOC0zLTEtMS0w_1fc2061a-b691-4b56-80c5-96ae8dba7db1">6,831</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ica2468f7d2614e50b371695404ed06d9_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOC01LTEtMS0w_f9d8d026-2b11-4b6e-95a0-648d63780b74">43,059</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8812e92e043c4a74982773dfba3bca7a_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOC03LTEtMS0w_de374a2d-bb72-4d85-9277-85d89a338dab">6,768</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8812e92e043c4a74982773dfba3bca7a_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfOC05LTEtMS0w_1170d660-1430-4f35-86aa-22658e0d4ed6">44,221</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Renewable energy standard (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idb79650a2924446b91228fee5cb03c62_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTEtNS0xLTEtMA_0c82aa47-a6d6-4abb-bfde-a1d5c1a6b6ef">30</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if44cd3e5e715463e9ae74f90a3509f01_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTEtNy0xLTEtMA_f524b0a5-d43c-492e-aebe-de536cba65bb">39,442</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if44cd3e5e715463e9ae74f90a3509f01_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i596a8bcd81cb4b889796c867c3bb62b1_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTItNS0xLTEtMzQ2MA_f91299f5-60ef-4268-a7e5-b66fe8f584e8">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4dbd65cc417f417ca59304ab515b0454_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTItNy0xLTEtMzQ2MA_33b11a87-2eaf-423c-84d8-5f607b797764">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4dbd65cc417f417ca59304ab515b0454_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTItOS0xLTEtMzQ2MA_00b055c4-0139-4228-9108-9dee92e1766a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Property tax deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i691e2598efe44d57b589a8b862acc1d6_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTItNS0xLTEtMA_2d87e06e-5a0f-430d-857a-ddf1fd618be3">15,022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1be1392fef14a7dbe8d67d3f8e010a4_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTItNy0xLTEtMA_5f69888d-8d8f-4626-84fb-df15b59aaa47">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1be1392fef14a7dbe8d67d3f8e010a4_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTItOS0xLTEtMA_6a311aa9-246c-4ed6-b267-046c6a3d054f">13,856</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Sundance maintenance</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2031</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8b2b9d341d3a415e9ac788794ff986b6_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTMtMy0xLTEtMA_4394142f-a4d7-433a-9499-b62059ef9449">2,867</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8b2b9d341d3a415e9ac788794ff986b6_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTMtNS0xLTEtMA_f4995425-8dd4-46ed-921c-95980b0cb04c">11,910</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8565cbdf4f5e415f9437a5ffab28a6b7_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTMtNy0xLTEtMA_5d268b66-2b94-4a7d-9dfe-42a71b1ac324">2,989</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8565cbdf4f5e415f9437a5ffab28a6b7_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTMtOS0xLTEtMA_1daffb18-423e-47d6-9074-75ea7dd5e621">11,508</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Demand side management (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i29af2e5e1f2d4244af617e40eb576870_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTUtMy0xLTEtMA_e0fb740a-f403-49b5-8832-99ac8d754e31">7,821</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i29af2e5e1f2d4244af617e40eb576870_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTUtNS0xLTEtMA_867cff23-5135-49ad-9032-b1ceb67ffedd">5,975</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i708dee304bde416eacfaf36a20a76dea_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTUtNy0xLTEtMA_91bff652-9bff-4aa3-8463-74cd89ea4570">10,819</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i708dee304bde416eacfaf36a20a76dea_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTUtOS0xLTEtMA_014d4dd1-ed06-4386-8e95-7c4ce528739b">&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">FERC transmission true up</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie8b6000e1a3f42048ba69628f1101a40_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTYtNS0xLTEtMA_d4ea0bf5-7f51-4c7e-8515-ae93aba4552e">2,379</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1870047a64cc408a95abf460be6e0207_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTYtNy0xLTEtMA_f32c5244-8843-4e34-a043-5ed68b720be4">6,598</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1870047a64cc408a95abf460be6e0207_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTYtOS0xLTEtMA_21f537f1-37e6-41eb-967a-e5376cbcc414">3,008</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">TCA balancing account (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</span></td><td 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib8a4600398bd427c8739b09c73e65add_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTctNS0xLTEtMzQ3NA_ca62268a-473a-4574-bbb5-818622d8b741">1,754</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic95d0c0d240143b5a1bb3928db0505c1_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTctNy0xLTEtMzQ3NA_1d51801a-bb79-408e-9b0e-08ba9dd981bd">2,902</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic95d0c0d240143b5a1bb3928db0505c1_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTctOS0xLTEtMzQ3NA_4320fe52-6013-481b-983b-b3a13bf6a800">4,672</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense adjustor mechanism (b) (e)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82650e74932642868f682e98428b36db_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTgtMy0xLTEtMA_0810a7a0-4a8d-47e9-9a70-b23075e40951">7,452</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82650e74932642868f682e98428b36db_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTgtNS0xLTEtMA_61c838b4-28cd-4ac1-9217-f6e7d0ced432">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic759ed2e4c7148cebd4f5fff70eae604_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTgtNy0xLTEtMA_c695e69c-4497-45c6-b387-de109e103e81">7,089</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic759ed2e4c7148cebd4f5fff70eae604_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTgtOS0xLTEtMA_42512a0b-fba9-46ef-8bcd-38002223eab5">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred gains on utility property</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTktMy0xLTEtMA_54d526f5-03d4-4d13-ad89-edfb388a7064">2,423</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i48efeae6957b4d658f0e35ec0bb8d008_I20210331" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTktNS0xLTEtMA_f7ae4ba7-0c29-4b6e-8381-702cd150f19b">939</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2720a948250648e2b98e5cffd98d9ac2_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMTktOS0xLTEtMA_8133712d-1209-4532-bdfd-7260f7983835">1,544</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Active union medical trust</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1560703aa96b421f8216c29f8411367d_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjAtMy0xLTEtMA_0d49a49f-afa5-4ddc-9739-cba1588f0fa5">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1560703aa96b421f8216c29f8411367d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjAtNS0xLTEtMA_45ce8c39-2cbd-48b4-968e-e617ed739ecd">2,337</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if8ac80c79d474df8a6d4bca2dfebf0cd_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjAtNy0xLTEtMA_1da33af3-4939-4343-abcc-b5bcb4bccffd">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if8ac80c79d474df8a6d4bca2dfebf0cd_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjAtOS0xLTEtMA_eea6bf7d-f559-43ec-8947-8bd06f3373f9">6,057</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Various</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i207d3ed94cd84401a8777e9c014bbd9f_I20210331" decimals="-3" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjEtMy0xLTEtMA_8f78ec6b-780c-412b-b5eb-a8419ccffe0d">524</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i207d3ed94cd84401a8777e9c014bbd9f_I20210331" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjEtNS0xLTEtMA_0cc7fcb3-b038-43e2-9646-1a81f0fd4d5f">59</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9fd8ceac135b45659b5b7e29d25e5953_I20201231" decimals="-3" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjEtNy0xLTEtMA_c47c7afe-da4c-408a-86a0-ad4b19d61ca2">409</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9fd8ceac135b45659b5b7e29d25e5953_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjEtOS0xLTEtMA_ff816e85-fbfe-4a4e-893c-bf8ffd6c67d0">189</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjItMy0xLTEtMA_7a2cc004-2401-4073-9dad-12f84a70e9c8">250,228</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjItNS0xLTEtMA_7afc72ae-d784-4d68-914b-00ffbd229d48">2,427,769</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjItNy0xLTEtMA_fc789372-02a0-4caf-b35d-4d4329360d03">229,088</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:RegulatoryLiabilityNoncurrent" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RhYmxlOjIyMzMxM2RiM2VkNTQ1MjI5NmNhNWY1ZmZhNTQ0YzQ2L3RhYmxlcmFuZ2U6MjIzMzEzZGIzZWQ1NDUyMjk2Y2E1ZjVmZmE1NDRjNDZfMjItOS0xLTEtMA_347a62d2-2eb6-4927-ad2d-ce6b2d5b4543">2,450,169</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"></td></tr></table></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.8pt">For purposes of presentation on the Statement of Cash Flows, amortization of the regulatory liabilities for excess deferred income taxes are reflected as &#8220;Deferred income taxes&#8221; under Cash Flows From Operating Activities.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See &#8220;Cost Recovery Mechanisms&#8221; discussion above.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">In accordance with regulatory accounting guidance, APS accrues removal costs for its regulated assets, even if there is no legal obligation for removal.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(d)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See Note 5.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(e)</span><span style="color:#000000;font-family:'Times New 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Should new base rates become effective prior to December 31, 2021, any remaining unreturned balance is anticipated to be included in the new base rates.</span></div></ix:nonNumeric></ix:continuation><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_79"></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">5.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:700;line-height:120%">&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTEyMg_5a0530dd-9ef7-456f-8ebf-ca32f79c9f89" continuedAt="id7851069ceb84892b9b71062bdd406c0" escape="true">Retirement Plans and Other Postretirement Benefits </ix:nonNumeric></span></div><ix:continuation id="id7851069ceb84892b9b71062bdd406c0" continuedAt="i170a104c7bc44d5b85a453935f48495f"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West sponsors a qualified defined benefit and account balance pension plan, a non-qualified supplemental excess benefit retirement plan, and other postretirement benefit plans for the employees of Pinnacle West and our subsidiaries.&#160; The other postretirement benefit plans include a group life and medical plan and a post-65 retiree health reimbursement arrangement (&#8220;HRA&#8221;).  Pinnacle West uses a December&#160;31 </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">40</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i170a104c7bc44d5b85a453935f48495f"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">measurement date each year for its pension and other postretirement benefit plans.&#160; The market-related value of our plan assets is their fair value at the measurement date.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Under the HRA, included in the other postretirement benefit plan, the Company provides a subsidy to retirees to defray the cost of a Medicare supplemental policy.  In prior years, we had been assuming a <ix:nonFraction unitRef="number" contextRef="i53e9613d3e77446a96ab0d7929d8e0bb_I20191231" decimals="4" name="pnw:DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTA5OTUxMTYyOTQxMw_32eb3608-112f-48fe-8244-5dc032993c17">4.75</ix:nonFraction>% escalation of these benefits; however, actual escalation has been significantly less than this assumption. Accordingly, during 2020 and for future periods, the escalation assumption was reduced to <ix:nonFraction unitRef="number" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="4" name="pnw:DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTA5OTUxMTYyOTYxNA_a9b17e5f-9f5e-4de3-818f-5baa4c9bd81f">2.00</ix:nonFraction>%.  This escalation factor assumption change, among other factors, resulted in an increase in the over-funded status of the other postretirement benefit plan as of December 31, 2020.  As a result, on January 4, 2021, we initiated the transfer of approximately $<ix:nonFraction unitRef="usd" contextRef="i5b6044bc594c4bf6808492265b0491c7_D20210104-20210104" decimals="-6" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAssetsTransferredToFromPlan" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTA5OTUxMTYyOTkyMA_446928af-6125-4b35-82cd-11fc89419c81">106</ix:nonFraction>&#160;million of assets from the other postretirement benefit plan into the Active Union Employee Medical Account. The Active Union Employee Medical Account is an existing trust account that holds assets restricted for paying active union employee medical costs (see Note 12).  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This transfer of assets into the Active Union Employee Medical Account is consistent with the terms of a similar 2018 transaction. </span></div><div style="text-indent:36pt"><span><br/></span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfNetBenefitCostsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTEyMw_97156a25-16e3-4e0a-bb43-016fbe74b319" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides details of the plans&#8217; net periodic benefit costs and the portion of these costs charged to expense (including administrative costs and excluding amounts capitalized as overhead 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style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.409%"></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></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Pension&#160;Benefits</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="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other&#160;Benefits</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></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</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-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="display:none"></td><td 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contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanServiceCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMy0xLTEtMS0w_3e2d1aa2-3b22-4cf9-807c-29aa7dbfcb42">15,679</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i159ed624d062478d9bcb3e51259fd999_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanServiceCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMy0zLTEtMS0w_a08f628f-8da5-41b7-a6c2-9b53534ac435">14,257</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanServiceCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMy05LTEtMS0w_8f2938d0-aed7-4195-b884-5c83b69afbba">4,557</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iab6d29817b8b44c48ed78c7c00a030fc_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanServiceCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMy0xMS0xLTEtMA_a536d91a-52b9-4c62-89b0-26f32b70e7e3">5,717</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Non-service costs (credits):</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="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><td colspan="3" style="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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Interest cost on benefit obligation</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanInterestCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNS0xLTEtMS0w_4d69e6f2-6ded-4d73-a26e-06fe6ebb5690">24,669</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i159ed624d062478d9bcb3e51259fd999_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanInterestCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNS0zLTEtMS0w_0244040c-21b7-4323-9d94-dbab22b431c3">29,761</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanInterestCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNS05LTEtMS0w_47f2b6ac-6562-4d4e-85e0-a654c2a250a5">4,162</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iab6d29817b8b44c48ed78c7c00a030fc_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanInterestCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNS0xMS0xLTEtMA_83a9a170-cab0-4d0c-bb8e-5c529e89b275">6,512</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Expected return on plan 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNi0xLTEtMS0w_2a3c6f91-e8ff-4936-a412-5f89b3e51998">50,608</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i159ed624d062478d9bcb3e51259fd999_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNi0zLTEtMS0w_8afddf50-dd53-4539-ae2f-d971e6e8ee58">46,806</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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNi05LTEtMS0w_96062ec0-69f6-468d-86be-e94a54a9c251">10,361</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iab6d29817b8b44c48ed78c7c00a030fc_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfNi0xMS0xLTEtMA_d11be10b-e43b-429b-8f29-b94835b6861b">10,019</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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Amortization of:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Prior service credit</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOC0xLTEtMS0w_66896ce0-2c76-4bf0-86b5-573b904f5a32">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i159ed624d062478d9bcb3e51259fd999_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOC0zLTEtMS0w_1dfb14fa-28fa-4ae8-ae46-2f7137508f49">&#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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOC05LTEtMS0w_a4701ba6-57ec-4925-9540-2e5422aaa5f0">9,427</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iab6d29817b8b44c48ed78c7c00a030fc_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOC0xMS0xLTEtMA_ca45f770-6ac1-44e0-9739-aba5e6a51e3f">9,394</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="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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Net actuarial loss (gain)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOS0xLTEtMS0w_1ab9e153-e00a-4ff1-8c45-0ab8efde63ff">3,985</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i159ed624d062478d9bcb3e51259fd999_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOS0zLTEtMS0w_97c79130-d622-480a-bc47-d97cfd3a99ad">9,011</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOS05LTEtMS0w_4a3a638f-32aa-4591-a9c1-8ff5f03cc6b9">2,405</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iab6d29817b8b44c48ed78c7c00a030fc_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfOS0xMS0xLTEtMA_85960a53-56fc-4039-b62a-de56e5817fb8">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net periodic benefit cost/(benefit)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTAtMS0xLTEtMA_528044dd-22e1-417d-9027-252603e3465c">6,275</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i159ed624d062478d9bcb3e51259fd999_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTAtMy0xLTEtMA_e3ef9bf5-ccc1-4b29-b2f4-389fad7c7dc6">6,223</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="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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTAtOS0xLTEtMA_e319b9fd-97b3-4096-be54-4a1ebb5dad68">13,474</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iab6d29817b8b44c48ed78c7c00a030fc_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTAtMTEtMS0xLTA_25623fbe-dba0-45a5-8343-be40dd073a55">7,184</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="3" style="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Portion of cost/(benefit) charged to expense</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTEtMS0xLTEtMA_4ee2c80c-dba3-42fb-8fa5-d7854b57543c">8,011</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i159ed624d062478d9bcb3e51259fd999_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTEtMy0xLTEtMA_165c6da5-e04a-409e-958b-5d458ee45793">1,342</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTEtOS0xLTEtMA_93e75eb0-e371-4ba7-a402-2fa0eeee2cb8">9,528</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iab6d29817b8b44c48ed78c7c00a030fc_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:PensionAndOtherPostretirementBenefitExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RhYmxlOjZjYjYwNzY1YmEwNjRmNjJhYzMwY2M3NGUyYzIwZTczL3RhYmxlcmFuZ2U6NmNiNjA3NjViYTA2NGY2MmFjMzBjYzc0ZTJjMjBlNzNfMTEtMTEtMS0xLTA_81b9cb36-947f-47ee-83f5-572cf30080f1">5,456</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #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></tr></table></div></ix:nonNumeric><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Contributions</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have <ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-6" format="ixt-sec:numwordsen" name="pnw:DefinedBenefitPlansVoluntaryContributions" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfNzY5NjU4MTM5NTY5Ng_3381f2eb-f94a-47d3-93e6-58734c058878">no</ix:nonFraction>t made voluntary contributions to our pension plan year-to-date in 2021.  The minimum required contributions for the pension plan are <ix:nonFraction unitRef="usd" contextRef="icba57ca9d2ca48fc8c9cd97f64258186_D20210101-20210331" decimals="-6" format="ixt-sec:numwordsen" name="pnw:DefinedBenefitPlansEstimatedMinimumFutureEmployerContributionsNextThreeFiscalYears" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfOTA5_80bed0b7-fcde-47ec-82b3-161c21955f33">zero</ix:nonFraction> for the next three years.  We expect to make voluntary contributions up to $<ix:nonFraction unitRef="usd" contextRef="i43019bf9df264dadb4de5c591577c608_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfOTg3_5909abd7-c98e-4923-968c-62ce5a5bcf60">100</ix:nonFraction> million in 2021 and <ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-6" format="ixt-sec:numwordsen" name="pnw:DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTA5OTUxMTYzMTQzNw_8e922c24-f9ff-42b8-9395-ec29898b125a"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-6" format="ixt-sec:numwordsen" name="us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTA5OTUxMTYzMTQzNw_accdb577-e2a3-4d74-848f-d3d702edb1a2">zero</ix:nonFraction></ix:nonFraction> in 2022 and 2023.  We do <ix:nonFraction unitRef="usd" contextRef="ie68c1553e0534f7ca2cccab68f8c7546_D20210101-20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTAyNg_a9fab0fa-cb65-45c5-9b80-a65c9e56be15">no</ix:nonFraction>t expect to make any contributions over this period to our other postretirement benefit plans.</span></div></ix:continuation><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">41</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_82"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">6.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:VariableInterestEntityDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84Mi9mcmFnOjBlYjhmZjQ2MjNmYjQzZGU5MjBmMTRiOTJhZGMxM2Q4L3RleHRyZWdpb246MGViOGZmNDYyM2ZiNDNkZTkyMGYxNGI5MmFkYzEzZDhfMjY3Nw_bff8f595-fdc2-401d-8e7c-8e63df4e3615" continuedAt="ieb746754821f47d38e6089548910dbdc" escape="true">Palo Verde Sale Leaseback Variable Interest Entities </ix:nonNumeric></span></div><ix:continuation id="ieb746754821f47d38e6089548910dbdc"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In 1986, APS entered into agreements with <ix:nonFraction unitRef="trust" contextRef="i6e35bbcfcd96422fb39f6b756e63d42d_I19861231" decimals="0" format="ixt-sec:numwordsen" name="pnw:NumberOfVIELessorTrusts" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84Mi9mcmFnOjBlYjhmZjQ2MjNmYjQzZGU5MjBmMTRiOTJhZGMxM2Q4L3RleHRyZWdpb246MGViOGZmNDYyM2ZiNDNkZTkyMGYxNGI5MmFkYzEzZDhfNTY_c244d3a8-b9b4-4499-a4b3-38fd073d2d93">three</ix:nonFraction> separate VIE lessor trust entities in order to sell and lease back interests in Palo Verde Unit 2 and related common facilities.  </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Prior to April 1, 2021, the lease terms allowed APS the right to retain the assets through 2023 under <ix:nonFraction unitRef="lease" contextRef="ifa8acc138657428c85f7f276e68ef215_D20210101-20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84Mi9mcmFnOjBlYjhmZjQ2MjNmYjQzZGU5MjBmMTRiOTJhZGMxM2Q4L3RleHRyZWdpb246MGViOGZmNDYyM2ZiNDNkZTkyMGYxNGI5MmFkYzEzZDhfNzY5NjU4MTM5OTQ1Mg_d1155c58-55aa-48f9-94d8-65add192833a">one</ix:nonFraction> lease and 2033 under the other <ix:nonFraction unitRef="lease" contextRef="ic09fb8b23b6545899419536d8ac30ed7_D20210101-20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84Mi9mcmFnOjBlYjhmZjQ2MjNmYjQzZGU5MjBmMTRiOTJhZGMxM2Q4L3RleHRyZWdpb246MGViOGZmNDYyM2ZiNDNkZTkyMGYxNGI5MmFkYzEzZDhfNzY5NjU4MTM5OTQ2MA_4b4809fe-4727-45bb-8d1d-cd9447ee6ba5">two</ix:nonFraction> leases.  On April 1, 2021, APS executed an amended lease agreement with one of the VIE lessor trust entities relating to the lease agreement with the term ending in 2023.  The amendment extends the lease term for this lease through 2033 and changes the lease payment.  As a result of this amendment, APS will now retain the assets through 2033 under all three lease agreements.  APS will be required to make payments relating to the <ix:nonFraction unitRef="lease" contextRef="i8d43988f52cd4babb98d6732afbc1bad_D20210101-20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84Mi9mcmFnOjBlYjhmZjQ2MjNmYjQzZGU5MjBmMTRiOTJhZGMxM2Q4L3RleHRyZWdpb246MGViOGZmNDYyM2ZiNDNkZTkyMGYxNGI5MmFkYzEzZDhfNzY5NjU4MTM5OTQ2OA_0e60b57b-01c8-482f-889a-d3bbdc133b79">three</ix:nonFraction> leases in total of approximately $<ix:nonFraction unitRef="usd" contextRef="i8d43988f52cd4babb98d6732afbc1bad_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AnnualRentalPaymentsSaleLeasebackTransaction" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84Mi9mcmFnOjBlYjhmZjQ2MjNmYjQzZGU5MjBmMTRiOTJhZGMxM2Q4L3RleHRyZWdpb246MGViOGZmNDYyM2ZiNDNkZTkyMGYxNGI5MmFkYzEzZDhfMzYx_594c1149-2d46-47f5-aef5-5073847ad36c">21</ix:nonFraction> million annually for the period 2021 through 2033.  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Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:68.153%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.687%"></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:14.128%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">March 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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These assets are reported on our condensed consolidated financial statements.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is exposed to losses relating to these VIEs upon the occurrence of certain events that APS does not consider to be reasonably likely to occur.&#160; Under certain circumstances (for example, the Nuclear Regulatory Commission (&#8220;NRC&#8221;) issuing specified violation orders with respect to Palo Verde or the occurrence of specified nuclear events), APS would be required to make specified payments to the VIEs&#8217; noncontrolling equity participants and take title to the leased Unit 2 interests, which, if appropriate, may be required to be written down in value.&#160; If such an 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name="us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI1OA_464ba597-33c4-4811-991c-a6785fee8017" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the outstanding gross notional volume of derivatives, which represent both purchases and sales (does not reflect net position):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:15.444%"></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:30.525%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:24.083%"></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:24.084%"></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="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Quantity</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Commodity</span></td><td colspan="3" style="padding:0 1pt"></td><td 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continuedAt="i30cfa9919ed34e4a819a7dd4c7d8b9f6"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Gains and Losses from Derivative Instruments</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI1Mg_ddb648b3-5c51-41d1-9af4-725d2d0a53df" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about APS&#8217;s gains and losses from derivative instruments in designated cash flow accounting hedging relationships (dollars in thousands):</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:51.970%"></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:26.385%"></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:7.525%"></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 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Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Commodity&#160;Contracts</span></td><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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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 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style="background-color:#cceeff;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></tr></table></div><div style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">During the three months ended March 31, 2021 and 2020, we had <ix:nonFraction unitRef="usd" contextRef="i96df470a334e4d598b8bc5fb4a554560_D20200101-20200331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeOnDiscontinuation" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfMjk0Mg_45254b9a-e6f7-4840-ac36-d83d8d75f4dd"><ix:nonFraction unitRef="usd" contextRef="i3a04c084dc454a81a1b6abc1b7e9d0e3_D20210101-20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeOnDiscontinuation" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfMjk0Mg_ac32b2b3-9068-4901-b095-da4837de4840">no</ix:nonFraction></ix:nonFraction> gains or losses reclassified from accumulated OCI to earnings </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">related to discontinued cash flow hedges</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Amounts are before the effect of PSA deferrals.</span></div></ix:nonNumeric><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">During the next twelve months, we estimate that <ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="INF" format="ixt-sec:numwordsen" name="us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfNzY5NjU4MTQwMzgwNw_e4fa374d-3963-4577-899f-8d56a4917429">no</ix:nonFraction> amounts will be reclassified from accumulated OCI into income.  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style="height:23pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Financial&#160;Statement Location</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Commodity&#160;Contracts</span></td><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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net Gain (Loss) Recognized in Income</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Fuel and purchased power (a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8e2dec477de84bcf9fb537cdb59a0b26_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" scale="3" 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style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Amounts are before the effect of PSA deferrals.</span></div></ix:nonNumeric><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Derivative Instruments in the Condensed Consolidated Balance Sheets</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our derivative transactions are typically executed under standardized or customized agreements, which include collateral requirements and, in the event of a default, would allow for the netting of positive and negative exposures associated with a single counterparty.&#160; Agreements that allow for the offsetting of positive and negative exposures associated with a single counterparty are considered master netting arrangements.&#160; Transactions with counterparties that have master netting arrangements are offset and reported net on the Condensed Consolidated Balance Sheets.&#160; Transactions that do not allow for offsetting of positive and negative positions are reported gross on the Condensed Consolidated Balance Sheets.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We do not offset a counterparty&#8217;s current derivative contracts with the counterparty&#8217;s non-current derivative contracts, although our master netting arrangements would allow current and non-current positions to be offset in the event of a default.&#160;&#160;These types of transactions may include non-derivative instruments, derivatives qualifying for scope exceptions, trade receivables and trade payables arising from settled positions, and other forms of non-cash collateral (such as letters of credit).&#160; These types of transactions are excluded from the offsetting tables presented below.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:OffsettingLiabilitiesTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI0NQ_72dc019d-2b86-44cc-b803-baf4bfb626c8" continuedAt="i33edb58814a241f89ae7b6147c4de466" escape="true"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:OffsettingAssetsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI4OQ_6cf2ed35-a422-4886-855f-9c00f8be3779" 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0990c57618bd4d6ebd76fb1fb4b51b59_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" scale="3" 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0990c57618bd4d6ebd76fb1fb4b51b59_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfMS0xMC0xLTEtMA_17c067e5-5ae3-42ec-bccf-5c828f38f7f0">22,611</ix:nonFraction>&#160;</span></td><td 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfMi0xMC0xLTEtMA_a2b4d778-ae3c-452e-920c-cc4727138de6">3,200</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfMy00LTEtMS0w_b3923cae-cdc6-4186-8f3e-5bd37b233f8d">3,882</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfMy02LTEtMS0w_79231959-fef3-4378-8141-f8f599b79e97">25,811</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfMy04LTEtMS0w_7b8a8c5b-6989-4114-9734-3f2e55d6f98f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfMy0xMC0xLTEtMA_9b843829-e999-42fe-acb5-7370ecd3be05">25,811</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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;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 #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 #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 #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 #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia625ad7825e9414da2b15732a43f3cb4_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNS0yLTEtMS0w_65119a5a-1c31-48f0-a247-e1e9d0a72dee">4,874</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia625ad7825e9414da2b15732a43f3cb4_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNS00LTEtMS0w_633857af-23f5-4729-8a98-df91e6c7c3bb">3,092</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia625ad7825e9414da2b15732a43f3cb4_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNS02LTEtMS0w_ba287854-7212-4145-9763-7ee612dba67b">1,782</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia625ad7825e9414da2b15732a43f3cb4_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNS04LTEtMS0w_11401f06-66b7-48eb-bed7-aa419ceaf87a">1,285</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia625ad7825e9414da2b15732a43f3cb4_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNS0xMC0xLTEtMA_92474282-1fad-4512-97b8-eaf715245ade">3,067</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i7811e1207d3f4f13852b68cf00cb4e5d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNi0yLTEtMS0w_3dc25666-33c4-447c-a3b9-d9c994aa3f2b">7,718</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7811e1207d3f4f13852b68cf00cb4e5d_I20210331" decimals="-3" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNi00LTEtMS0w_9e8d582a-deea-4e0d-a531-58b1f6fde1a0">790</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i7811e1207d3f4f13852b68cf00cb4e5d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNi02LTEtMS0w_5de36647-46ea-445b-99cc-84eb330251c0">6,928</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7811e1207d3f4f13852b68cf00cb4e5d_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNi04LTEtMS0w_5133c931-831f-4ee3-a261-d212598dc015">&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i7811e1207d3f4f13852b68cf00cb4e5d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNi0xMC0xLTEtMA_86646b9e-5358-47af-b288-0d510c5125dc">6,928</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNy0yLTEtMS0w_d9c737e6-6302-4340-ab32-6cd189453025">12,592</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNy00LTEtMS0w_754f1590-8ed8-410b-b249-83bcc6541dea">3,882</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNy02LTEtMS0w_8e8a6a3a-7703-4d45-a16e-e557a89dfdc0">8,710</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNy04LTEtMS0w_75e5ca07-a2b3-4a92-b40a-fae221e4a491">1,285</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfNy0xMC0xLTEtMA_343a621a-eeb3-44b5-98fe-5c105a675e23">9,995</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DerivativeAssetLiabilityFairValueGrossAssetLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfOC0yLTEtMS0w_0574bae8-e7a1-4777-8b21-17c33077efab">17,101</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:DerivativeAssetLiabilityFairValueGrossLiabilityAssetandObligationtoReturnandRighttoReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfOC00LTEtMS0w_472f2757-b189-4a7b-9a67-091ba358046b">&#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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfOC02LTEtMS0w_77b7fc4c-93a5-4841-bbd4-b77f22c756c0">17,101</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfOC04LTEtMS0w_281a6a12-db8b-441d-83f5-505031ca5fcc">1,285</ix:nonFraction>)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmM4YmUyNGEwMGJhZTRlZGM4ZjY5ZjBlOGQ5ZTc2MTQ2L3RhYmxlcmFuZ2U6YzhiZTI0YTAwYmFlNGVkYzhmNjlmMGU4ZDllNzYxNDZfOC0xMC0xLTEtMA_97c80351-a08b-4977-a3b1-0cb760d813b4">15,816</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-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">All of our gross recognized derivative instruments were subject to master netting arrangements.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:DerivativeAssetLiabilityFairValueGrossLiabilityAssetandObligationtoReturnandRighttoReclaimCashOffset" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfNTM5Mw_b0027658-656e-4221-828c-7aedd360e3ca">No</ix:nonFraction> cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents cash collateral that is not subject to offsetting.  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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:11.803%"></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:11.803%"></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:11.803%"></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:11.803%"></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:11.805%"></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">As of December 31, 2020:<br/>&#160;(dollars in thousands)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Gross</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(a)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amounts<br/>Offset<br/>(b)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Net</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amount<br/>Reported&#160;on<br/>Balance Sheet</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaed8d2e081d543daaa53dda4b095bdb5_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMS0yLTEtMS0w_0d8517a0-2185-4189-9ea9-f659fd569939">5,870</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span 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scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMi02LTEtMS0w_20f7eecb-dca9-4891-a493-01d4281de55c">1,818</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i53274b02a6ae49dc829b0a7e489319fd_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMi04LTEtMS0w_749600c1-fa13-4f1f-985b-76d686705a92">&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i53274b02a6ae49dc829b0a7e489319fd_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMi0xMC0xLTEtMA_1f834760-9b48-45f9-a0d4-a3ee83491a57">1,818</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMy00LTEtMS0w_1dcbb354-a1ef-4f31-a73c-be2899286e72">4,271</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMy02LTEtMS0w_8c191e5a-c4a9-4f99-aff7-3bf97f2aaa5c">4,749</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMy04LTEtMS0w_e8b9e37a-9b7f-42e3-898c-c1577977f46e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfMy0xMC0xLTEtMA_1f29ff6b-961a-4876-b8fd-a8cf1fe9cb58">4,749</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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: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 #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 #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 #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 #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i08b6d56067e5481693cca2b36629698c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNS0yLTEtMS0w_4ff18d9e-0088-45d1-a11e-0b9d61d1a1c9">9,211</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i08b6d56067e5481693cca2b36629698c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNS00LTEtMS0w_34a35281-8c4b-44b1-bab2-40664b833012">2,939</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i08b6d56067e5481693cca2b36629698c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNS02LTEtMS0w_fc45f7b7-a168-42de-b665-13afff645468">6,272</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i08b6d56067e5481693cca2b36629698c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNS04LTEtMS0w_168e70fb-5520-4563-8427-766ef01b99f4">1,285</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i08b6d56067e5481693cca2b36629698c_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNS0xMC0xLTEtMA_3c59d861-09e7-4cc6-8d3b-41b07fafee8f">7,557</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="idf829a50ac0a4eeeb99297fc8f6121e8_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNi0yLTEtMS0w_ed9e236a-67ac-4a1e-ac20-cb117ee94ade">12,394</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idf829a50ac0a4eeeb99297fc8f6121e8_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNi00LTEtMS0w_370107cf-e1aa-4e58-87cb-09d89b1baca2">1,332</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="idf829a50ac0a4eeeb99297fc8f6121e8_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNi02LTEtMS0w_49de9ffd-fed7-4801-a811-60c46152dad5">11,062</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idf829a50ac0a4eeeb99297fc8f6121e8_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNi04LTEtMS0w_f0cdb619-ba16-4eef-af58-ff7253a1b1e3">&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="idf829a50ac0a4eeeb99297fc8f6121e8_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNi0xMC0xLTEtMA_135f0e94-28ec-4e88-9a7c-51b80ec73fce">11,062</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNy0yLTEtMS0w_e9c443ea-1121-46db-a1f3-bfb7e3a99332">21,605</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNy00LTEtMS0w_c0c2533e-8e22-4453-a886-3bf76d64b967">4,271</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNy02LTEtMS0w_326f7179-9d02-43a0-84c9-1a54a4cf72d9">17,334</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNy04LTEtMS0w_1117e459-4074-414a-9784-93ecda4cde2a">1,285</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfNy0xMC0xLTEtMA_7d1b5886-3ca7-4b07-9ef4-68e96fcd3e93">18,619</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:DerivativeAssetLiabilityFairValueGrossAssetLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfOC0yLTEtMS0w_0e264857-a140-4d72-a109-9a345643794f">12,585</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:DerivativeAssetLiabilityFairValueGrossLiabilityAssetandObligationtoReturnandRighttoReclaimCashOffset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfOC00LTEtMS0w_e5bba621-39ed-4d1d-a375-82e910fc68d7">&#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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfOC02LTEtMS0w_e3ded515-57f1-4080-9fee-79ab65b20081">12,585</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmZiNmZkZTdiYTFhYzQ1ODZiYjdmM2RjNzUzMzE1M2I5L3RhYmxlcmFuZ2U6ZmI2ZmRlN2JhMWFjNDU4NmJiN2YzZGM3NTMzMTUzYjlfOC04LTEtMS0w_737214a6-49c7-451d-89b3-830b49414e06">1,285</ix:nonFraction>)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa3f8d93555b4b49967fc597a92a88ca_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet" scale="3" 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This exposure relates to a master agreement with a counterparty that is rated as investment grade.  Our risk management process assesses and monitors the financial exposure of all counterparties.&#160; Despite the fact that the great majority of our trading counterparties&#8217; debt is rated as investment grade by the credit rating agencies, there is still a possibility that one or more of these companies could default, resulting in a material impact on consolidated earnings for a given period. Counterparties in the portfolio consist principally of financial institutions, major energy companies, municipalities and local distribution companies.&#160; We maintain credit policies that we believe minimize overall credit risk to within acceptable limits.&#160; Determination of the credit quality of our counterparties is based upon a number of factors, including credit ratings and our evaluation of their financial condition.&#160; To manage credit risk, we employ collateral requirements and standardized agreements that allow for the netting of positive and negative exposures associated with a single counterparty.&#160; Valuation adjustments are established representing our estimated credit losses on our overall exposure to counterparties.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Certain of our derivative instrument contracts contain credit-risk-related contingent features including, among other things, investment grade credit rating provisions, credit-related cross-default provisions, and adequate assurance provisions.&#160; Adequate assurance provisions allow a counterparty with reasonable grounds for uncertainty to demand additional collateral based on subjective events and/or conditions.&#160; For those derivative instruments in a net liability position, with investment grade credit contingencies, the counterparties could demand additional collateral if our debt credit rating were to fall below investment grade (below BBB- for Standard&#160;&amp; Poor&#8217;s or Fitch or Baa3 for Moody&#8217;s).</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="pnw:ScheduleOfDerivativeCreditRiskRelatedContingentFeaturesTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI5MQ_181e0d50-9ca6-4828-b7ee-29a90a6e720b" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about our derivative instruments that have credit-risk-related contingent features (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:83.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.105%"></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Aggregate fair value of derivative instruments in a net 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:CollateralAlreadyPostedAggregateFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmJjZDQ2MTYwZmMxMTQ2MThiMDA2YzEzOTlhMmNlY2ZmL3RhYmxlcmFuZ2U6YmNkNDYxNjBmYzExNDYxOGIwMDZjMTM5OWEyY2VjZmZfMi0xLTEtMS0w_234ff1a4-d540-45a9-abda-b44f633224bc">&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Additional cash collateral in the event credit-risk-related contingent features were fully triggered (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AdditionalCollateralAggregateFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmJjZDQ2MTYwZmMxMTQ2MThiMDA2YzEzOTlhMmNlY2ZmL3RhYmxlcmFuZ2U6YmNkNDYxNjBmYzExNDYxOGIwMDZjMTM5OWEyY2VjZmZfMy0xLTEtMS0w_f73ba079-8970-443c-b402-3a9536b7f4e7">6,674</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">This amount is after counterparty netting and includes those contracts which qualify for scope exceptions, which are excluded from the derivative details above.</span></div></ix:nonNumeric><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;We also have energy-related non-derivative instrument contracts with investment grade credit-related contingent features, which could also require us to post additional collateral of approximately $<ix:nonFraction unitRef="usd" contextRef="i985197155f774d0d945e4095fed1dddc_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTE3Nw_84f181b2-53c9-4c0f-a05c-1e42b3a21017">86</ix:nonFraction> million if our debt credit ratings were to fall below investment grade.</span></div></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">46</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_88"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">8.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:CommitmentsAndContingenciesDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzAzNjM_8cd60cf0-3baf-4bb4-bbde-9b0707d287c4" continuedAt="i0ed11e75916b493b85a84675e2c538fa" escape="true">Commitments and Contingencies </ix:nonNumeric></span></div><ix:continuation id="i0ed11e75916b493b85a84675e2c538fa" continuedAt="i201baf4ada324fb98e37307d10acbcf0"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Palo Verde Generating Station </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Spent Nuclear Fuel and Waste Disposal</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December&#160;19, 2012, APS, acting on behalf of itself and the participant owners of Palo Verde, filed a second breach of contract lawsuit against the United States Department of Energy (&#8220;DOE&#8221;) in the United States Court of Federal Claims (&#8220;Court of Federal Claims&#8221;).&#160; The lawsuit sought to recover damages incurred due to DOE&#8217;s breach of the Contract for Disposal of Spent Nuclear Fuel and/or High Level Radioactive Waste (&#8220;Standard Contract&#8221;) for failing to accept Palo Verde&#8217;s spent nuclear fuel and high level waste from January&#160;1, 2007 through June&#160;30, 2011, as it was required to do pursuant to the terms of the Standard Contract and the Nuclear Waste Policy Act.&#160; On August 18, 2014, APS and DOE entered into a settlement agreement, stipulating to a dismissal of the lawsuit and payment by DOE to the Palo Verde owners for certain specified costs incurred by Palo Verde during the period January 1, 2007 through June 30, 2011.  In addition, the settlement agreement, as amended, provides APS with a method for submitting claims and getting recovery for costs incurred through December 31, 2022.   </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has submitted <ix:nonFraction unitRef="claim" contextRef="i357afd78cb914e0eabcec347a764825c_D20110701-20180630" decimals="INF" format="ixt-sec:numwordsen" name="pnw:GainContingencyNewClaimsFiledNumber" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTM2Nw_1b053674-1412-406f-b09d-3fb7af207e32">six</ix:nonFraction> claims pursuant to the terms of the August 18, 2014 settlement agreement, for <ix:nonFraction unitRef="time_period" contextRef="i357afd78cb914e0eabcec347a764825c_D20110701-20180630" decimals="INF" format="ixt-sec:numwordsen" name="pnw:GainContingencyNumberofSettlementAgreementTimePeriods" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNzY5NjU4MTQ0MzIyMw_201fd233-94c7-4011-b14c-8ae79eac1bd9">six</ix:nonFraction> separate time periods during July 1, 2011 through June 30, 2019.  The DOE has approved and paid $<ix:nonFraction unitRef="usd" contextRef="ife3fcca75ceb4fff886b7e116d90b490_D20110701-20180630" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedFromOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTU0Nw_aaa3c2f5-c703-4949-a1d9-a692b340f463">99.7</ix:nonFraction> million for these claims (APS&#8217;s share is $<ix:nonFraction unitRef="usd" contextRef="i357afd78cb914e0eabcec347a764825c_D20110701-20180630" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedFromOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTU4Mw_3062c3aa-6a18-4186-ad2b-d836e1e3f9f8">29.0</ix:nonFraction> million).  The amounts recovered were primarily recorded as adjustments to a regulatory liability and had no impact on reported net income.  In accordance with the 2017 Rate Case Decision, this regulatory liability is being refunded to customers (see Note 4).  On November 2, 2020, APS filed its <ix:nonFraction unitRef="claim" contextRef="i89bfec28a83749189b9f3be3d69c6f6b_D20201102-20201102" decimals="INF" format="ixt-sec:numwordsen" name="pnw:GainContingencyNewClaimsFiledNumber" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNzY5NjU4MTQ0MzIzMg_952f7d30-3306-4c0e-954e-925d2e8b395d">seven</ix:nonFraction>th claim pursuant to the terms of the August 18, 2014 settlement agreement in the amount of $<ix:nonFraction unitRef="usd" contextRef="i0c1085647aa142d88b7b8b4fc33f0ac0_D20191031-20191031" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedFromOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTk2OQ_c3e9e07e-0833-4413-b457-c8a63cf6f0af">12.2</ix:nonFraction> million (APS&#8217;s share is $<ix:nonFraction unitRef="usd" contextRef="i9ab51159bd334562a063c546bd6ebade_D20191031-20191031" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedFromOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTk4OA_38fe2758-628d-4ee6-bf39-774586506b38">3.6</ix:nonFraction> million).  On March 15, 2021, the DOE approved a payment of $<ix:nonFraction unitRef="usd" contextRef="i3755ed8eb21e4503bd88ef7796b1caa6_D20210315-20210315" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedFromOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNzY5NjU4MTQ0MzU5MA_7d7ea7bf-e56f-4d58-9902-5df39e6c82bf">12.1</ix:nonFraction>&#160;million (APS&#8217;s share is $<ix:nonFraction unitRef="usd" contextRef="i8490cdb99a844dd9b53284316a6bbce7_D20210315-20210315" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedFromOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNzY5NjU4MTQ0MzYwNQ_6cc0cf33-f12d-4af1-86fd-443565050128">3.5</ix:nonFraction>&#160;million) and on April 16, 2021, APS received this payment.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Nuclear Insurance </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Public liability for incidents at nuclear power plants is governed by the Price-Anderson Nuclear Industries Indemnity Act (&#8220;Price-Anderson Act&#8221;), which limits the liability of nuclear reactor owners to the amount of insurance available from both commercial sources and an industry-wide retrospective payment plan.&#160; In accordance with the Price-Anderson Act, the Palo Verde participants are insured against public liability for a nuclear incident of up to approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="INF" format="ixt:numdotdecimal" name="pnw:MaximumInsuranceCoveragePerIncident" scale="9" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjYwOQ_e676ff6d-b6e0-469e-b258-584d63381b72">13.7</ix:nonFraction> billion per occurrence.  Palo Verde maintains the maximum available nuclear liability insurance in the amount of $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="INF" format="ixt:numdotdecimal" name="pnw:MaximumAvailableNuclearLiabilityInsurance" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjcxNw_2d4c5ee7-f9da-4baa-b1e7-62402a9d5451">450</ix:nonFraction> million, which is provided by American Nuclear Insurers (&#8220;ANI&#8221;).&#160; The remaining balance of approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-8" format="ixt:numdotdecimal" name="pnw:RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram" scale="9" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjgxNw_9cb6af4b-cc5e-419b-ad25-66a1b172f28e">13.2</ix:nonFraction> billion of liability coverage is provided through a mandatory industry-wide retrospective premium program.&#160; If losses at any nuclear power plant covered by the program exceed the accumulated funds, APS could be responsible for retrospective premiums.&#160; The maximum retrospective premium per reactor under the program for each nuclear liability incident is approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:MaximumAssessmentPerReactorForEachNuclearIncident" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzE4MQ_a1c8c2b0-8702-4d2a-a201-256922e3aaf7">137.6</ix:nonFraction> million, subject to a maximum annual premium of approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="INF" format="ixt:numdotdecimal" name="pnw:AnnualLimitPerIncidentWithRespectToMaximumAssessment" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzIzOA_a51a055d-e9c5-455a-b139-c3c919d11c98">20.5</ix:nonFraction> million per incident.&#160; Based on APS&#8217;s ownership interest in the <ix:nonFraction unitRef="power_plant" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:NumberOfVIELessorTrusts" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzI5Nw_f582533d-fced-4de4-b2e0-5b355a4350d8">three</ix:nonFraction> Palo Verde units, APS&#8217;s maximum retrospective premium per incident for all <ix:nonFraction unitRef="power_plant" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:NumberOfVIELessorTrusts" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzM3NQ_fef16e55-ed53-4382-9ac1-c8610343c355">three</ix:nonFraction> units is approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:MaximumPotentialRetrospectiveAssessmentPerIncident" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzQwMQ_1c29d216-7870-4b7b-94c5-23181182cb63">120.1</ix:nonFraction> million, with a maximum annual retrospective premium of approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzQ2Ng_8d83bf70-b96f-473f-8e76-2388108b4637">17.9</ix:nonFraction> million.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Palo Verde participants maintain insurance for property damage to, and decontamination of, property at Palo Verde in the aggregate amount of $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-8" format="ixt:numdotdecimal" name="pnw:AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde" scale="9" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzYxNg_a9af0f67-b75d-4f49-ab77-8044e20e5033">2.8</ix:nonFraction> billion.&#160; APS has also secured accidental outage insurance for a sudden and unforeseen accidental outage of any of the <ix:nonFraction unitRef="power_plant" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="INF" format="ixt-sec:numwordsen" name="pnw:NumberOfVIELessorTrusts" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzczMA_a27bb47a-6e32-4b0d-b5f1-c834fc3e59b2">three</ix:nonFraction> units.&#160; The property damage, decontamination, and accidental outage insurance are provided by Nuclear Electric Insurance Limited (&#8220;NEIL&#8221;).&#160; APS is subject to retrospective premium adjustments under all NEIL policies if NEIL&#8217;s losses in any policy year exceed accumulated funds.  The maximum amount APS could incur under the current NEIL </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">47</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i201baf4ada324fb98e37307d10acbcf0" continuedAt="i9c488a1b880e47f79193ff8b864b95fe"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">policies totals approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:MaximumAmountthatCouldbeIncurredunderRetrospectiveAssessmentofNEILPolicies" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTY0OTI2NzQ5MTkyMA_ed865d13-ba6d-4bd2-8088-9ef37d8bda77">22.4</ix:nonFraction>&#160;million for each retrospective premium assessment declared by NEIL&#8217;s Board of Directors due to losses.&#160; In addition, NEIL policies contain rating triggers that would result in APS providing approximately $<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-5" format="ixt:numdotdecimal" name="pnw:CollateralAssuranceBasedOnRatingTriggers" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNDI5OQ_dbffd4a5-63d7-4f72-b373-f2e591030a2d">63.3</ix:nonFraction> million of collateral assurance within <ix:nonNumeric contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" format="ixt-sec:durday" name="pnw:PeriodToProvideCollateralAssuranceBasedOnRatingTriggers" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNDMzMw_c044ffad-44f6-4de9-9123-8ee22d5767d9">20</ix:nonNumeric> business days of a rating downgrade to non-investment grade.&#160; The insurance coverage discussed in this and the previous paragraph is subject to certain policy conditions, sublimits and exclusions.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Contractual Obligations</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As of March 31, 2021, our fuel and purchased power commitments have increased from the information provided in our 2020 Form 10-K.  The increase is primarily due to new purchased power and energy storage commitments of approximately $<ix:nonFraction unitRef="usd" contextRef="ia4ede8d21e45416c9230af8934451caa_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNDc3Mw_fac084cf-4e55-4a44-aede-9cb365858f9e">550</ix:nonFraction>&#160;million.  The majority of the changes relate to 2026 and thereafter.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Other than the item described above, there have been no material changes, as of March 31, 2021, outside the normal course of business in contractual obligations from the information provided in our 2020 Form 10-K.  See Note 3 for discussion regarding changes in our short-term and long-term debt obligations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Superfund-Related Matters </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Comprehensive Environmental Response Compensation and Liability Act (&#8220;Superfund&#8221; or &#8220;CERCLA&#8221;) establishes liability for the cleanup of hazardous substances found contaminating the soil, water or air.&#160; Those who released, generated, transported to or disposed of hazardous substances at a contaminated site are among the parties who are potentially responsible (&#8220;PRPs&#8221;).&#160; PRPs may be strictly, and often are jointly and severally, liable for clean-up.&#160; On September&#160;3, 2003, EPA advised APS that EPA considers APS to be a PRP in the Motorola 52</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7.47pt;font-weight:400;line-height:120%;position:relative;top:-4.02pt;vertical-align:baseline">nd</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;Street Superfund Site, Operable Unit 3 (&#8220;OU3&#8221;) in Phoenix, Arizona.&#160; APS has facilities that are within this Superfund site.&#160; APS and Pinnacle West have agreed with EPA to perform certain investigative activities of the APS facilities within OU3.&#160; In addition, on September&#160;23, 2009, APS agreed with EPA and one other PRP to voluntarily assist with the funding and management of the site-wide groundwater remedial investigation and feasibility study (&#8220;RI/FS&#8221;).&#160; Based upon discussions between the OU3 working group parties and EPA, along with the results of recent technical analyses prepared by the OU3 working group to supplement the RI/FS for OU3, APS anticipates finalizing the RI/FS during the second quarter of 2021.  We estimate that our costs related to this investigation and study will be approximately $<ix:nonFraction unitRef="usd" contextRef="i7306b181f92c4f66a5633b6b21d40244_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:CostsRelatedToInvestigationAndStudyUnderSuperfundSite" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNjUxMw_4df81aa5-5183-4049-acca-cd0870af94ac">3</ix:nonFraction> million.&#160; We anticipate incurring additional expenditures in the future, but because the overall investigation is not complete and ultimate remediation requirements are not yet finalized, at the present time expenditures related to this matter cannot be reasonably estimated.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August&#160;6, 2013, the Roosevelt Irrigation District (&#8220;RID&#8221;) filed a lawsuit in Arizona District Court against APS and <ix:nonFraction unitRef="defendant" contextRef="i14190f4f7ee647959f14b60f2596f9a1_D20130806-20130806" decimals="INF" name="us-gaap:LossContingencyNumberOfDefendants" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNjkwMQ_76055aea-a2c3-4ad1-b290-630363711d23">24</ix:nonFraction> other defendants, alleging that RID&#8217;s groundwater wells were contaminated by the release of hazardous substances from facilities owned or operated by the defendants.&#160; The lawsuit also alleges that, under Superfund laws, the defendants are jointly and severally liable to RID.&#160; The allegations against APS arise out of APS&#8217;s current and former ownership of facilities in and around OU3.&#160; As part of a state governmental investigation into groundwater contamination in this area, on January 25, 2015, the Arizona Department of Environmental Quality (&#8220;ADEQ&#8221;) sent a letter to APS seeking information concerning the degree to which, if any, APS&#8217;s current and former ownership of these facilities may have contributed to groundwater contamination in this area.&#160; APS responded to ADEQ on May 4, 2015.  On December 16, 2016, <ix:nonFraction unitRef="plaintiff" contextRef="if717b08c853f4a32aec80efc6df07a89_D20161216-20161216" decimals="INF" format="ixt-sec:numwordsen" name="us-gaap:LossContingencyNumberOfPlaintiffs" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNzcyMg_42961767-9ca1-4e44-b0a3-ba70ebcb261c">two</ix:nonFraction> RID environmental and engineering contractors filed an ancillary lawsuit for recovery of costs against APS and the other defendants in the RID litigation.  That same day, another RID service provider filed an additional ancillary CERCLA lawsuit against certain of the defendants in the main RID litigation, but excluded APS and certain other parties as named defendants.  Because the ancillary lawsuits concern past costs allegedly incurred </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">48</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i9c488a1b880e47f79193ff8b864b95fe" continuedAt="i9e7ec33e5add48039bd4f27e79fbcaad"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">by these RID vendors, which were ruled unrecoverable directly by RID in November of 2016, the additional lawsuits do not increase APS&#8217;s exposure or risk related to these matters.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 5, 2018, RID and the defendants in that particular litigation executed a settlement agreement, fully resolving RID&#8217;s CERCLA claims concerning both past and future cost recovery.  APS&#8217;s share of this settlement was immaterial.  In addition, the <ix:nonFraction unitRef="plaintiff" contextRef="i7a5f4131d34a45d3a28c65a9eda2e2db_D20180405-20180405" decimals="INF" format="ixt-sec:numwordsen" name="us-gaap:LossContingencyNumberOfPlaintiffs" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfODYwMQ_1f5812fe-ee6f-481b-9baf-076f10c14c5c">two</ix:nonFraction> environmental and engineering vendors voluntarily dismissed their lawsuit against APS and the other named defendants without prejudice.  An order to this effect was entered on April 17, 2018.  With this disposition of the case, the vendors may file their lawsuit again in the future.  On August 16, 2019, Maricopa County, one of the three direct defendants in the service provider lawsuit, filed a third-party complaint seeking contribution for its liability, if any, from APS and <ix:nonFraction unitRef="defendant" contextRef="ic82f62cfe52c49e39a263245903fb924_D20180405-20180405" decimals="INF" name="us-gaap:LossContingencyNumberOfDefendants" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfOTA4NQ_95a4ddac-d8eb-4ac8-8475-2fe785512c23">28</ix:nonFraction> other third-party defendants.  We are unable to predict the outcome of these matters; however, we do not expect the outcome to have a material impact on our financial position, results of operations or cash flows. </span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Arizona Attorney General Matter</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">APS received civil investigative demands from the Attorney General seeking information pertaining to the rate plan comparison tool offered to APS customers and other related issues including implementation of rates from the 2017 Settlement Agreement and its Customer Education and Outreach Plan associated with the 2017 Settlement Agreement.  APS fully cooperated with the Attorney General&#8217;s Office in this matter.   On February 22, 2021 APS entered into a consent agreement with the Attorney General as a way to settle the matter.  The settlement results in APS paying $<ix:nonFraction unitRef="usd" contextRef="ib7597f969e884516bbcb1b5478329cb8_D20210222-20210222" decimals="-4" format="ixt:numdotdecimal" name="us-gaap:LitigationSettlementAmountAwardedToOtherParty" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNjU5NzA2OTc5Nzk3NA_3f27c97f-8cf6-419b-92ef-b422e4aad837">24.75</ix:nonFraction>&#160;million, $<ix:nonFraction unitRef="usd" contextRef="ib7597f969e884516bbcb1b5478329cb8_D20210222-20210222" decimals="-6" format="ixt:numdotdecimal" name="pnw:LitigationSettlementAmountAwardedToCustomers" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNjU5NzA2OTc5Nzk5MA_994b55c8-f5a2-4ae2-9da8-7c0a291892d0">24</ix:nonFraction>&#160;million of which is being returned to customers as restitution.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Environmental Matters</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is subject to numerous environmental laws and regulations affecting many aspects of its present and future operations, including air emissions of both conventional pollutants and greenhouse gases, water quality, wastewater discharges, solid waste, hazardous waste, and coal combustion residuals (&#8220;CCRs&#8221;).&#160; These laws and regulations can change from time to time, imposing new obligations on APS resulting in increased capital, operating, and other costs.&#160; Associated capital expenditures or operating costs could be material.&#160; APS intends to seek recovery of any such environmental compliance costs through our rates but cannot predict whether it will obtain such recovery.&#160; The following proposed and final rules&#160;involve material compliance costs to APS.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Regional Haze Rules.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> APS has received the final rulemaking imposing pollution control requirements on Four Corners.  EPA required the plant to install pollution control equipment that constitutes best available retrofit technology (&#8220;BART&#8221;) to lessen the impacts of emissions on visibility surrounding the plant.  In addition, EPA issued a final rule for Regional Haze compliance at Cholla that does not involve the installation of new pollution controls and that will replace an earlier BART determination for this facility.  See below for details of the Cholla BART approval.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">Four Corners.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Based on EPA&#8217;s final standards, APS&#8217;s <ix:nonFraction unitRef="number" contextRef="i84d3f9b45e95481eadc48c3224126328_D20210101-20210331" decimals="2" name="pnw:PercentageOfShareOfCostOfControl" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTA3MjQ_f273b367-c0bf-4fb8-8627-14de1f60e637">63</ix:nonFraction>% share of the cost of required controls for Four Corners Units 4 and 5 was approximately $<ix:nonFraction unitRef="usd" contextRef="i84d3f9b45e95481eadc48c3224126328_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:SiteContingencyLossExposureNotAccruedBestEstimate" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTA4MTU_87d057e9-3f2c-4726-b971-4588af990969">400</ix:nonFraction> million, which has been incurred.&#160; In addition, APS and El Paso Electric Company (&#8220;El Paso&#8221;) entered into an asset purchase agreement providing for the purchase by APS, or an affiliate of APS, of El Paso&#8217;s <ix:nonFraction unitRef="number" contextRef="i3aaa88a6b491466f8568939e935ec9cc_D20210101-20210331" decimals="2" name="pnw:AssetPurchaseAgreementAdditionalPercentageShareofCostofControl" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTEwMTY_ae8d8f55-55c0-46fd-85a6-1b87817363b6">7</ix:nonFraction>% interest in Four Corners Units 4 and 5.  4CA purchased the El Paso interest on July 6, 2016.  Navajo Transitional Energy Company, LLC (&#8220;NTEC&#8221;) purchased the interest from 4CA on July 3, 2018.  See &#8220;Four Corners &#8212; 4CA Matter&#8221; below for a discussion of the NTEC purchase.  The cost of the pollution controls related to the <ix:nonFraction unitRef="number" contextRef="i3aaa88a6b491466f8568939e935ec9cc_D20210101-20210331" decimals="2" name="pnw:AssetPurchaseAgreementAdditionalPercentageShareofCostofControl" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTEzNDA_d182b5bc-3e0f-41e4-a21b-689ace4ded2a">7</ix:nonFraction>% interest is approximately $<ix:nonFraction unitRef="usd" contextRef="i7cb578b7cce54c2191da60cf68ad2d8e_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTEzNjk_8b827376-eed1-4785-a4d3-aafe49bdd010">45</ix:nonFraction> million, which was assumed by NTEC through its purchase of the <ix:nonFraction unitRef="number" contextRef="i3aaa88a6b491466f8568939e935ec9cc_D20210101-20210331" decimals="2" name="pnw:AssetPurchaseAgreementAdditionalPercentageShareofCostofControl" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTE0Mjc_13ea8984-57aa-4e07-9a31-277cc4b380a2">7</ix:nonFraction>% interest.  </span></div></ix:continuation><div style="text-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">49</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i9e7ec33e5add48039bd4f27e79fbcaad" continuedAt="i515bd896434a4f0ea5b455571f068d13"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">Cholla</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.  In early 2017, EPA approved a final rule containing a revision to Arizona&#8217;s State Implementation Plan (&#8220;SIP&#8221;) for Cholla that implemented BART requirements for this facility, which did not require the installation of any new pollution control capital improvements.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In conjunction with the closure of Cholla Unit 2 in 2015, APS has committed to ceasing coal combustion within Units 1 and 3 by April 2025.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">PacifiCorp retired Cholla Unit 4 at the end of 2020.  (See &#8220;Cholla&#8221; in Note 4 for information regarding future plans for Cholla and details related to the resulting regulatory asset).</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:10pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Coal Combustion Waste</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">  On December 19, 2014, EPA issued its final regulations governing the handling and disposal of CCR, such as fly ash and bottom ash.  The rule regulates CCR as a non-hazardous waste under Subtitle D of the Resource Conservation and Recovery Act (&#8220;RCRA&#8221;) and establishes national minimum criteria for existing and new CCR landfills and surface impoundments and all lateral expansions.  These criteria include standards governing location restrictions, design and operating criteria, groundwater monitoring and corrective action, closure requirements and post closure care, and recordkeeping, notification, and internet posting requirements.  The rule generally requires any existing unlined CCR surface impoundment to stop receiving CCR and either retrofit or close, and further requires the closure of any CCR landfill or surface impoundment that cannot meet the applicable performance criteria for location restrictions or structural integrity.  Such closure requirements are deemed &#8220;forced closure&#8221; or &#8220;closure for cause&#8221; of unlined surface impoundments and are the subject of recent regulatory and judicial activities described below.</span></div><div style="margin-bottom:10pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Since these regulations were finalized, EPA has taken steps to substantially modify the federal rules governing CCR disposal.  While certain changes have been prompted by utility industry petitions, others have resulted from judicial review, court-approved settlements with environmental groups, and statutory changes to RCRA.  The following lists the pending regulatory changes that, if finalized, could have a material impact as to how APS manages CCR at its coal-fired power plants:</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">Following the passage of the Water Infrastructure Improvements for the Nation Act in 2016, EPA possesses authority to either authorize states to develop their own permit programs for CCR management or issue federal permits governing CCR disposal both in states without their own permit programs and on tribal lands.  Although ADEQ has taken steps to develop a CCR permitting program, it is not clear when that program will be put into effect.  On December 19, 2019, EPA proposed its own set of regulations governing the issuance of CCR management permits.  </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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">On March 1, 2018, as a result of a settlement with certain environmental groups, EPA proposed adding boron to the list of constituents that trigger corrective action requirements to remediate groundwater impacted by CCR disposal activities.  Apart from a subsequent proposal issued on August 14, 2019 to add a specific, health-based groundwater protection standard for boron, EPA has yet to take action on this proposal.  </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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">Based on an August 21, 2018 D.C. Circuit decision, which vacated and remanded those provisions of the EPA CCR regulations that allow for the operation of unlined CCR surface impoundments, EPA recently proposed corresponding changes to federal CCR regulations.  On July 29, 2020, EPA took final action on new regulations establishing revised deadlines for initiating the closure of unlined CCR surface impoundments; such disposal units were closed as of April 11, 2021.  </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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">On November 4, 2019, EPA also proposed to change the manner by which facilities that have committed to cease burning coal in the near-term may qualify for alternative closure.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Such qualification would allow CCR disposal units at these plants to continue operating, even though they would otherwise be subject to forced closure under the federal CCR regulations.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">EPA&#8217;s July 29, 2020 final regulation adopted this proposal and now requires explicit EPA approval for facilities to utilize an alternative closure deadline.  With respect to the Cholla facility, APS&#8217;s application for alternative closure (which would allow the continued disposal of CCR within the facility&#8217;s existing unlined CCR </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">50</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i515bd896434a4f0ea5b455571f068d13" continuedAt="ib332e3333f824ea9839d45bc9a1aa272"><div style="padding-left:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">surface impoundments until the required date for ceasing coal-fired boiler operations in April 2025) was submitted to EPA on November 30, 2020 and is currently pending.  This application will be subject to public comment and, potentially, judicial review.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We cannot at this time predict the outcome of these regulatory proceedings or when the EPA will take final action on those matters that are still pending.  Depending on the eventual outcome, the costs associated with APS&#8217;s management of CCR could materially increase, which could affect APS&#8217;s financial position, results of operations, or cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS currently disposes of CCR in ash ponds and dry storage areas at Cholla and Four Corners.  APS estimates that its share of incremental costs to comply with the CCR rule for Four Corners is approximately $<ix:nonFraction unitRef="usd" contextRef="ic80ab589b45341cf939b301e02e51cff_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTY5OTM_87f83925-d98d-4c30-84d4-d3e630d805c3">27</ix:nonFraction> million and its share of incremental costs to comply with the CCR rule for Cholla is approximately $<ix:nonFraction unitRef="usd" contextRef="ic5ed4ee459b74de4ac1e06a3e02d6887_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTcwODc_eb61f9df-ba5c-4154-acda-9f0027b27b6a">16</ix:nonFraction> million.  The Navajo Plant disposed of CCR only in a dry landfill storage area.  To comply with the CCR rule for the Navajo Plant, APS&#8217;s share of incremental costs was approximately $<ix:nonFraction unitRef="usd" contextRef="i1fba880bd2aa4edc942c8c92af944f56_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTcyNjQ_c79d1b2d-0a90-4185-a8ad-d8e5be9edbd0">1</ix:nonFraction> million, which has been incurred.  Additionally, the CCR rule requires ongoing, phased groundwater monitoring. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As of October 2018, APS has completed the statistical analyses for its CCR disposal units that triggered assessment monitoring.  APS determined that several of its CCR disposal units at Cholla and Four Corners will need to undergo corrective action.  In addition, under the current regulations, all such disposal units must have ceased operating and initiated closure by October 31, 2020.  APS initiated an assessment of corrective measures on January 14, 2019 and expects such assessment will continue through mid- to late-2021.  As part of this assessment, APS continues to gather additional groundwater data and perform remedial evaluations as to the CCR disposal units at Cholla and Four Corners undergoing corrective action.  In addition, APS will solicit input from the public, host public hearings, and select remedies as part of this process.  Based on the work performed to date, APS currently estimates that its share of corrective action and monitoring costs at Four Corners will likely range from $<ix:nonFraction unitRef="usd" contextRef="i3b738eb8afa04347be902c85f81cbab9_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTgzNzQ_f8b35ce0-ede5-413b-9261-6780d656e5f0">10</ix:nonFraction> million to $<ix:nonFraction unitRef="usd" contextRef="i763b8c6fcb8d4bffb304e3a82561422e_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTgzODA_02bf8974-1ff1-4b27-a7cf-f241ea33255c">15</ix:nonFraction> million, which would be incurred over 30 years.  The analysis needed to perform a similar cost estimate for Cholla remains ongoing at this time.  As APS continues to implement the CCR rule&#8217;s corrective action assessment process, the current cost estimates may change.  Given uncertainties that may exist until we have fully completed the corrective action assessment process, we cannot predict any ultimate impacts to the Company; however, at this time we do not believe the cost estimates for Cholla and any potential change to the cost estimate for Four Corners would have a material impact on our financial position, results of operations or cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Clean Power Plan/Affordable Clean Energy Regulations</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.  On June 19, 2019, EPA took final action on its proposals to repeal EPA&#8217;s 2015 Clean Power Plan (&#8220;CPP&#8221;) and replace those regulations with a new rule, the Affordable Clean Energy (&#8220;ACE&#8221;) regulations.  EPA originally finalized the CPP on August 3, 2015, and such rules would have had far broader impact on the electric power sector than the ACE regulations.  The ACE regulations had been stayed pending judicial review and on January 19, 2021, the U.S. Court of Appeals for the D.C. Circuit vacated the ACE regulations and remanded them back to EPA to develop new existing power plant carbon regulations consistent with the court&#8217;s ruling.  That ruling endorsed an expansive view of the federal Clean Air Act consistent with EPA&#8217;s 2015 CPP.  While the Biden administration has expressed an intent to regulate carbon emissions in this sector more aggressively under the Clean Air Act, we cannot at this time predict the outcome of pending EPA rulemaking proceedings in response to the court&#8217;s recent ACE decision.  </span></div></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">51</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="ib332e3333f824ea9839d45bc9a1aa272" continuedAt="i4f15f94180124563a19bd125353b2575"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">                Other environmental rules that could involve material compliance costs include those related to effluent limitations, the ozone national ambient air quality standard and other rules or matters involving the Clean Air Act, Clean Water Act, Endangered Species Act, RCRA, Superfund, the Navajo Nation, and water supplies for our power plants.  The financial impact of complying with current and future environmental rules could jeopardize the economic viability of our coal plants or the willingness or ability of power plant participants to fund any required equipment upgrades or continue their participation in these plants.  The economics of continuing to own certain resources, particularly our coal plants, may deteriorate, warranting early retirement of those plants, which may result in asset impairments.  APS would seek recovery in rates for the book value of any remaining investments in the plants as well as other costs related to early retirement, but cannot predict whether it would obtain such recovery.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Four Corners National Pollutant Discharge Elimination System (&#8220;NPDES&#8221;) Permit</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 16, 2018, several environmental groups filed a petition for review before the EPA Environmental Appeals Board (&#8220;EAB&#8221;) concerning the NPDES wastewater discharge permit for Four Corners, which was reissued on June 12, 2018.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The environmental groups allege that the permit was reissued in contravention of several requirements under the Clean Water Act and did not contain required provisions concerning EPA&#8217;s 2015 revised effluent limitation guidelines for steam-electric EGUs, 2014 existing-source regulations governing cooling-water intake structures, and effluent limits for surface seepage and subsurface discharges from coal-ash disposal facilities.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">To address certain of these issues through a reconsidered permit, EPA took action on December 19, 2018 to withdraw the NPDES permit reissued in June 2018.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Withdrawal of the permit moots the EAB appeal, and EPA filed a motion to dismiss on that basis.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The EAB thereafter dismissed the environmental group appeal on February 12, 2019.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">EPA then issued a revised final NPDES permit for Four Corners on September 30, 2019.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Based upon a November 1, 2019 filing by several environmental groups, the EAB again took up review of the Four Corners NPDES Permit.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Oral argument on this appeal was held on September 3, 2020 and the EAB denied the environmental group petition on September 30, 2020.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 22, 2021, the environmental groups filed a petition for review of the EAB&#8217;s decision with the U.S. Court of Appeals for the Ninth Circuit.  We cannot predict the outcome of these appeal proceedings and, if such appeal is successful, whether that outcome will have a material impact on our financial position, results of operations, or cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Four Corners </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"> 4CA Matter</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 6, 2016, 4CA purchased El Paso&#8217;s <ix:nonFraction unitRef="number" contextRef="ib47e2def30d64475bf57d59ae90b0755_D20160706-20160706" decimals="INF" name="pnw:PercentageOfShareOfCostOfControl" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjU0MTA_a182fb69-bf97-4cd9-9d91-9cefbb1a2ecf">7</ix:nonFraction>% interest in Four Corners.  NTEC purchased this <ix:nonFraction unitRef="number" contextRef="i41843d04112a496ca203c86ee58ef2c5_D20160706-20160706" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjU0NjA_a35657e4-dc0b-495c-bb05-88f3b9cb039c">7</ix:nonFraction>% interest on July 3, 2018 from 4CA.  NTEC purchased the <ix:nonFraction unitRef="number" contextRef="ia95a0c13d8db4297b4d7f7b49181cf6b_D20180703-20180703" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjU1MTg_e5560043-08da-4e05-8a9e-85e2a37d193a">7</ix:nonFraction>% interest at 4CA&#8217;s book value, approximately $<ix:nonFraction unitRef="usd" contextRef="ia95a0c13d8db4297b4d7f7b49181cf6b_D20180703-20180703" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjU1NjU_62cbc375-718a-4b6d-9d99-d444f6d7ba96">70</ix:nonFraction> million, and is paying 4CA the purchase price over a period of four years pursuant to a secured interest-bearing promissory note.  The note is secured by a portion of APS&#8217;s payments to be owed to NTEC under the 2016 Coal Supply Agreement.  As of March&#160;31, 2021, the note has a remaining balance of $<ix:nonFraction unitRef="usd" contextRef="i04c54c545b4949668e5f36852e906753_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:NotesReceivableRelatedParties" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjU4NDU_8078f364-d05a-46c7-8b0f-a83354b4c4b7">23</ix:nonFraction> million.  NTEC continues to make payments in accordance with the terms of the note.  Due to its short-remaining term, among other factors, there are no expected credit losses associated with the note. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In connection with the sale, Pinnacle West guaranteed certain obligations that NTEC will have to the other owners of Four Corners, such as NTEC&#8217;s <ix:nonFraction unitRef="number" contextRef="ia95a0c13d8db4297b4d7f7b49181cf6b_D20180703-20180703" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjYxODc_c9b5cc0b-3c79-48a2-904f-f26e7a2dd308">7</ix:nonFraction>% share of capital expenditures and operating and maintenance expenses.  Pinnacle West&#8217;s guarantee is secured by a portion of APS&#8217;s payments to be owed to NTEC under the 2016 Coal Supply Agreement.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The 2016 Coal Supply Agreement contained alternate pricing terms for the <ix:nonFraction unitRef="number" contextRef="i296b41a6bdc9496fbdc4cff7cce081e6_D20160706-20160706" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjY0NjA_e4abd36e-513d-4b98-82d1-72f7a4e290c5">7</ix:nonFraction>% interest in the event NTEC did not purchase the interest.  Until the time that NTEC purchased the <ix:nonFraction unitRef="number" contextRef="i296b41a6bdc9496fbdc4cff7cce081e6_D20160706-20160706" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjY1NjE_0f3308e0-b486-41d9-99e4-b4cecb621e05">7</ix:nonFraction>% interest, the alternate pricing provisions were applicable to 4CA as the holder of the <ix:nonFraction unitRef="number" contextRef="i296b41a6bdc9496fbdc4cff7cce081e6_D20160706-20160706" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjY2NTE_8b164539-21a0-4dfb-b135-706b14113299">7</ix:nonFraction>% interest.  These terms included a formula under which NTEC must make certain payments to 4CA for reimbursement of operations and maintenance costs and </span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">52</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i4f15f94180124563a19bd125353b2575" continuedAt="id4b8860e829d4bf4889612352a780689"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">a specified rate of return, offset by revenue generated by 4CA&#8217;s power sales.  The amount under this formula for calendar year 2018 (up to the date that NTEC purchased the <ix:nonFraction unitRef="number" contextRef="ia95a0c13d8db4297b4d7f7b49181cf6b_D20180703-20180703" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjY5Nzc_124b4a5d-53e4-4b69-aace-f89363cc910d">7</ix:nonFraction>% interest) was approximately $<ix:nonFraction unitRef="usd" contextRef="i9b2fbd4ffb82446b853317da67f15dd7_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:AssetPurchaseAgreementOperatingandMaintenanceCostReimbursementReceivable" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjcwMDg_52afb68f-0243-4c9c-b608-90f2211bbff0">10</ix:nonFraction> million, which was due to 4CA on December 31, 2019.  Such payment was satisfied in January 2020 by NTEC directing to 4CA a prepayment from APS of future coal payment obligations of which the prepayment has been fully utilized as of June 2020. </span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Financial Assurances</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In the normal course of business, we obtain standby letters of credit and surety bonds from financial institutions and other third parties.  These instruments guarantee our own future performance and provide third parties with financial and performance assurance in the event we do not perform.  These instruments support commodity contract collateral obligations and other transactions.  As of March&#160;31, 2021, standby letters of credit totaled $<ix:nonFraction unitRef="usd" contextRef="i8a0f7caac92c42bcb026a83fd0522fd6_I20210331" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:LettersOfCreditOutstandingAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjc3MDI_c1a21c4f-d4f4-4477-9a54-3dd47526e9ed">5.2</ix:nonFraction> million and would have expired in 2021, subsequently in April of 2021 an extension was effective that reset the expiration dates to 2022.  As of March&#160;31, 2021, surety bonds expiring through 2022 totaled $<ix:nonFraction unitRef="usd" contextRef="iba565a9a6eba493a9a4ec4723b04bd6d_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:SuretyBondsExpiringAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjc3ODQ_3f539a86-9223-4f63-a5c6-bd683676288b">16</ix:nonFraction> million.  The underlying liabilities insured by these instruments are reflected on our balance sheets, where applicable. Therefore, no additional liability is reflected for the letters of credit and surety bonds themselves. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We enter into agreements that include indemnification provisions relating to liabilities arising from or related to certain of our agreements.&#160; Most significantly, APS has agreed to indemnify the equity participants and other parties in the Palo Verde sale leaseback transactions with respect to certain tax matters.&#160; Generally, a maximum obligation is not explicitly stated in the indemnification provisions and, therefore, the overall maximum amount of the obligation under such indemnification provisions cannot be reasonably estimated.&#160; Based on historical experience and evaluation of the specific indemnities, we do not believe that any material loss related to such indemnification provisions is likely.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West has issued parental guarantees and has provided indemnification under certain surety bonds for APS which were not material at March&#160;31, 2021.   In connection with the sale of 4CA&#8217;s <ix:nonFraction unitRef="number" contextRef="ia95a0c13d8db4297b4d7f7b49181cf6b_D20180703-20180703" decimals="INF" name="pnw:AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjg5MDA_d948d933-808e-4373-821c-bf96b4660f31">7</ix:nonFraction>% interest to NTEC, Pinnacle West is guaranteeing certain obligations that NTEC will have to the other owners of Four Corners.  (See &#8220;Four Corners &#8212; 4CA Matter&#8221; above for information related to this guarantee).  Pinnacle West has not needed to perform under this guarantee.  A maximum obligation is not explicitly stated in the guarantee and, therefore, the overall maximum amount of the obligation under such guarantee cannot be reasonably estimated; however, we consider the fair value of this guarantee, including expected credit losses, to be immaterial.</span></div></ix:continuation><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"><ix:continuation id="id4b8860e829d4bf4889612352a780689">In connection with BCE&#8217;s acquisition of minority ownership positions in the Clear Creek and Nobles 2 wind farms, Pinnacle West has issued parental guarantees to guarantee the obligations of BCE subsidiaries to make required equity contributions to fund project construction (the &#8220;Equity Contribution Guarantees&#8221;) and to make production tax credit funding payments to borrowers of the projects (the &#8220;PTC Guarantees&#8221;).  The amounts guaranteed by Pinnacle West are reduced as payments are made under the respective guarantee agreements.  The Equity Contribution Guarantees remaining as of March 31, 2021 are immaterial in amount (approximately $<ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:ProductionTaxCreditGuarantees" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNjU5NzA2OTc5OTQ3Nw_3cde8cc4-3fb4-4156-b4ec-6290f647ceaf">2</ix:nonFraction>&#160;million) and the PTC Guarantees (approximately $<ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-6" format="ixt:numdotdecimal" name="pnw:EquityContributionGuarantees" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNjU5NzA2OTc5OTUwMQ_ab03733a-52cd-412b-87a2-b16c3ba566fb">38</ix:nonFraction>&#160;million as of March&#160;31, 2021) are currently expected to be terminated ten years following the commercial operation date of the applicable project.</ix:continuation> </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">53</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_91"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">9.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:OtherIncomeAndOtherExpenseDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RleHRyZWdpb246YjFmNjBjZTU5OGY0NDNlYWFhMjFlYzgxYjdhZWZiOTNfMTUy_51acb6f7-a32a-4532-a78d-c0ab277d73c1" 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Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMy0xLTEtMS0zMTMz_721d43d8-7a6a-490e-a4a9-165898a4b917">1,948</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfNS0xLTEtMS0zMTMz_a793ad79-f53b-495d-a4d3-30132e01f3be">4,086</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifdf68d2c2a2d49999ede872f144f6d54_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryIncomeDebtDeferralRefunded" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfNS0zLTEtMS0zMTMz_f24a5ee9-4d45-412a-b552-f4617caea1b2">3,140</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Ocotillo modernization project (Note 4)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iad67bcf67fda4738a1b74a60b039369e_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryIncomeDebtDeferralRefunded" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfNi0xLTEtMS0zMTMz_25d1c7f8-29c3-4f47-9375-8db667c63925">6,392</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i40d57799ba704fc3858f41432adeede8_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryIncomeDebtDeferralRefunded" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfNi0zLTEtMS0zMTMz_93ccceb2-3113-4e25-a44b-bfa9caba9cb2">6,144</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="pnw:MiscellaneousOtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfNy0xLTEtMS0zMTMz_9b4799ca-a9aa-4d8f-bcf8-96cf44ab2b35">3</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="pnw:MiscellaneousOtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfNy0zLTEtMS0zMTMz_5e1e2f44-0262-4965-8a09-0bc60624df1e">8</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other income</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfOC0xLTEtMS0zMTMz_c53e41f1-11ee-48c0-b99a-661a4f7b4f83">12,429</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfOC0zLTEtMS0zMTMz_5e0a8323-0648-4bea-a1be-b396b7f82638">12,569</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other expense:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 7.75pt 0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Non-operating costs</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:NonoperatingCosts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTAtMS0xLTEtMzEzMw_ae0eca78-d57d-4ebf-ba5a-f99c23f0a9b4">1,937</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:NonoperatingCosts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTAtMy0xLTEtMzEzMw_43bb2262-3bfb-482b-9258-01dc1935056a">2,658</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investment gains (losses) &#8212; net</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:GainLossOnSaleOfInvestments" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTEtMS0xLTEtMzEzMw_14271c5a-7686-4637-a3e2-07b2e6fabe98">343</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="us-gaap:GainLossOnSaleOfInvestments" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTEtMy0xLTEtMzEzMw_315b6f74-a572-4845-98be-d8b2ba58e794">60</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:MiscellaneousOtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTItMS0xLTEtMzEzMw_e596df6b-1427-49d2-8627-fa87724e44fc">1,573</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:MiscellaneousOtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTItMy0xLTEtMzEzMw_cd82b0c1-a1bc-41dd-b2a5-ada11137fdd7">2,186</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other expense</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTMtMS0xLTEtMzEzMw_e5311f16-da87-433b-a94e-5db2c728985b">3,853</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfMTMtMy0xLTEtMzEzMw_c5384ccb-51c7-462d-8428-9d5a5bf43b31">4,784</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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 id="i915584189a384ebfbd2458228b914629_94"></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;<ix:continuation id="if8890e4931af4c7abfe698e673b0eca5" continuedAt="i9bba1dc4478a4d808c361453ccb1bf50"><ix:continuation id="i4600f6a6aa2241b08496ef3393547476" continuedAt="ibe1695e73e774dd7ac54e5a19a6557ea">The following table provides detail of APS&#8217;s other income and other expense (dollars in thousands): </ix:continuation></ix:continuation></span></div><div><span><br/></span></div><div style="margin-bottom:6pt"><ix:continuation id="i9bba1dc4478a4d808c361453ccb1bf50"><ix:continuation id="ibe1695e73e774dd7ac54e5a19a6557ea"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"><tr><td style="width:1.0%"></td><td style="width:74.307%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.492%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.540%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.161%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other income:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Interest 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InvestmentIncomeInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfMy0xLTEtMS0zMTk1_c1304223-f9f1-4cbc-8cab-29c29b10636b">1,481</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:InvestmentIncomeInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfMy0zLTEtMS0zMTk1_4f9e829b-86f8-437e-9742-26368391b0f2">2,341</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Four Corners SCR deferrals (Note 4)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icb2c11fc4ef34049b44b98f33b533030_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryIncomeDebtDeferralRefunded" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfNC0xLTEtMS0zMTk1_87efc9a2-9446-4438-b212-6e765e74603d">4,086</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie8d279b075494217a8238ac2c4959c8f_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryIncomeDebtDeferralRefunded" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfNC0zLTEtMS0zMTk1_c5d4d060-70d2-4d26-9d3b-2cb186300aaa">3,140</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Ocotillo modernization project (Note 4)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i412fe3a77ef548c3ad6084696e53125d_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryIncomeDebtDeferralRefunded" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfNS0xLTEtMS0zMTk1_d6651b96-e69a-4c44-bb6b-0528ee7e62fd">6,392</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia3ecfe7dd8654d078790981be3512f77_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:RegulatoryCostRecoveryIncomeDebtDeferralRefunded" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfNS0zLTEtMS0zMTk1_a97a8e99-4c32-42a0-8888-8905549ba2b2">6,144</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" name="pnw:MiscellaneousOtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfNi0xLTEtMS0zMTk1_629d77f1-5a60-491d-854d-839c0f405387">1</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" name="pnw:MiscellaneousOtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfNi0zLTEtMS0zMTk1_1eab2b51-91ce-4a9b-9be8-50a79336ee68">8</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other income</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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" 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New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingIncome" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfNy0zLTEtMS0zMTk1_00fd56bc-a6c8-42e8-ba4e-e78f20875931">11,633</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other expense:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 7.75pt 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Non-operating costs</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:NonoperatingCosts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfOS0xLTEtMS0zMTk1_f29ee57b-cd6f-4a34-bf37-aad788109b44">1,778</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:NonoperatingCosts" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfOS0zLTEtMS0zMTk1_54a6d510-0ce6-4126-b704-9ff66615674e">2,482</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New 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colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="pnw:MiscellaneousOtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfMTAtMy0xLTEtMzE5NQ_dc159964-0be5-420f-9bc3-329b667004b8">2,186</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other 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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfMTEtMS0xLTEtMzE5NQ_c1ca10a3-1e86-469c-bda1-6b256e27956a">3,350</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 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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:OtherNonoperatingExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85NC9mcmFnOmVhN2I3YzA5OTIzMzQ1YTE4MzdhODc1YzhjMzA2ZTMzL3RhYmxlOmQ3NjljMzRhY2RmYzRkMjM5NTQ3NWEyMzgzOTc0MjBhL3RhYmxlcmFuZ2U6ZDc2OWMzNGFjZGZjNGQyMzk1NDc1YTIzODM5NzQyMGFfMTEtMy0xLTEtMzE5NQ_96fd8342-3e26-43b8-9ca5-f686a708ad37">4,668</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></tr></table></ix:continuation></ix:continuation></div><div><span><br/></span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">54</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_97"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">10.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:EarningsPerShareTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RleHRyZWdpb246Y2E5NWU5YzdhMzgyNGUxZGIxOWYwYTE5ZGE1ODJkMmVfMTY1_c4a4cc72-3955-4b39-b455-f4b898cc40c0" continuedAt="iab3d683fe1a848f1a788e62c0d6a0866" escape="true">Earnings Per Share </ix:nonNumeric></span></div><ix:continuation id="iab3d683fe1a848f1a788e62c0d6a0866"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RleHRyZWdpb246Y2E5NWU5YzdhMzgyNGUxZGIxOWYwYTE5ZGE1ODJkMmVfMTY5_31751dc4-77d0-475a-8819-2c4ddea5dd5f" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the calculation of Pinnacle West&#8217;s basic and diluted earnings per share (in thousands, except per share amounts):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.538%"><tr><td style="width:1.0%"></td><td style="width:74.122%"></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:10.769%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.838%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.771%"></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></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="display:none"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td><td colspan="3" style="display:none"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</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></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfMi0zLTEtMS0w_749c0f9d-dda4-4a41-b822-5c0ee7492727">35,641</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfMi01LTEtMS0w_bfcadd58-308e-44c2-a532-9ec56a02e780">29,993</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Weighted average common shares outstanding &#8212; basic</span></div></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfMy0zLTEtMS0w_e7052d6f-80b0-4e9f-8ab3-ac0dd2c9642f">112,829</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 colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfMy01LTEtMS0w_34dd8330-ef02-42c0-b7ff-3fc083322a5f">112,594</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 colspan="3" style="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net effect of dilutive securities:</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Contingently issuable performance shares and restricted stock units</span></div></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesRestrictedStock" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfNS0zLTEtMS0w_a0435f71-e5fe-4026-8161-3815f3a6ac5f">264</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesRestrictedStock" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfNS01LTEtMS0w_ac3aede4-ae62-4f62-a25b-be80d7dd0c89">268</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><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Weighted average common shares outstanding &#8212; diluted</span></div></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfNi0zLTEtMS0w_401ad749-669d-4906-aa34-972e34c7515d">113,093</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfNi01LTEtMS0w_cee5cc4f-123b-4a38-abfd-1e2b7f17df74">112,862</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Earnings per weighted-average common share outstanding</span></div></td><td colspan="3" style="display:none"></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="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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:24.75pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders &#8212; basic</span></div></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfOC0zLTEtMS0w_9fe2b97b-e0c3-49b0-bade-a184317a0d25">0.32</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfOC01LTEtMS0w_506f27c9-34d9-4e02-85c8-0277bc867d9a">0.27</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:24.75pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders &#8212; diluted</span></div></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RhYmxlOmM0ZjVkMzBkMzg1ODQwY2FiYWI0ZmIzMzcxZmZkOTQ4L3RhYmxlcmFuZ2U6YzRmNWQzMGQzODU4NDBjYWJhYjRmYjMzNzFmZmQ5NDhfOS0zLTEtMS0w_c01743d2-08e8-4026-9828-6d9d7469bc5b">0.32</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="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double 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style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_100"></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">11.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:FairValueDisclosuresTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90ZXh0cmVnaW9uOmMxMWNkMWE0Y2I5OTQ5NmE4MjQ4Y2ZiYTQ5ZmE2OWY1XzEyMDI4_7f5a0ade-4de2-47f2-aed7-28deb657e525" continuedAt="iec3bf560772143edbcc023b3568516ff" escape="true">Fair Value Measurements </ix:nonNumeric></span></div><ix:continuation id="iec3bf560772143edbcc023b3568516ff" continuedAt="i634849c2ee7b4947a69498b3fa18c3ad"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We classify our assets and liabilities that are carried at fair value within the fair value hierarchy.&#160; This hierarchy ranks the quality and reliability of the inputs used to determine fair values, which are then classified and disclosed in one of three categories.&#160; The three levels of the fair value hierarchy are:</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Level 1 &#8212; Inputs are unadjusted quoted prices in active markets for identical assets or liabilities at the measurement date. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Level 2 &#8212; Other significant observable inputs, including quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active, and model-derived valuations whose inputs are observable (such as yield curves).</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Level 3 &#8212; Valuation models with significant unobservable inputs that are supported by little or no market activity.&#160; Instruments in this category may include long-dated derivative transactions where valuations are unobservable due to the length of the transaction, options, and transactions in locations where observable market data does not exist.&#160; The valuation models we employ utilize spot prices, forward prices, historical market data and other factors to forecast future prices.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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.&#160; Thus, a valuation may be classified in Level 3 even though the valuation may include significant inputs that are readily observable.&#160; We maximize the use of observable inputs and minimize the use of unobservable inputs.&#160; We rely primarily on the market approach of using prices and other market information for identical and/or comparable assets and liabilities.&#160; If market data is not readily available, inputs may reflect our own assumptions about the inputs market participants would use.&#160; Our assessment of the inputs and the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of fair value assets and liabilities as well as their placement within the fair value hierarchy levels.&#160; We assess whether a market is active by obtaining observable broker quotes, reviewing actual market activity, and assessing the volume of transactions.&#160; We consider broker quotes observable inputs when the quote is binding on the broker, we can validate the quote with market activity, or we can determine that the inputs the broker used to arrive at the quoted price are observable.</span></div></ix:continuation><div style="text-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">55</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i634849c2ee7b4947a69498b3fa18c3ad" continuedAt="i3604fa9ae2c641cc95463bf5960b67f4"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Certain instruments have been valued using the concept of Net Asset Value (&#8220;NAV&#8221;) as a practical expedient.  These instruments are typically structured as investment companies offering shares or units to multiple investors for the purpose of providing a return.  These instruments are similar to mutual funds; however, their NAV is generally not published and publicly available, nor are these instruments traded on an exchange.  Instruments valued using NAV as a practical expedient are included in our fair value disclosures; however, in accordance with GAAP are not classified within the fair value hierarchy levels.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Recurring Fair Value Measurements</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We apply recurring fair value measurements to cash equivalents, derivative instruments, and investments held in the nuclear decommissioning trusts and other special use funds.  On an annual basis, we apply fair value measurements to plan assets held in our retirement and other benefit plans.&#160; See Note 8 in the 2020 Form 10-K for fair value discussion of plan assets held in our retirement and other benefit plans.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Cash Equivalents</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Cash equivalents represent certain investments in money market funds that are valued using quoted prices in active markets.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Risk Management Activities &#8212; Derivative Instruments</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Exchange traded commodity contracts are valued using unadjusted quoted prices.&#160; For non-exchange traded commodity contracts, we calculate fair value based on the average of the bid and offer price, discounted to reflect net present value.&#160; We maintain certain valuation adjustments for a number of risks associated with the valuation of future commitments.&#160; These include valuation adjustments for liquidity and credit risks.&#160; The liquidity valuation adjustment represents the cost that would be incurred if all unmatched positions were closed out or hedged.&#160; The credit valuation adjustment represents estimated credit losses on our net exposure to counterparties, taking into account netting agreements, expected default experience for the credit rating of the counterparties and the overall diversification of the portfolio.&#160; We maintain credit policies that management believes minimize overall credit risk.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Certain non-exchange traded commodity contracts are valued based on unobservable inputs due to the long-term nature of contracts, characteristics of the product, or the unique location of the transactions.&#160; Our long-dated energy transactions consist of observable valuations for the near-term portion and unobservable valuations for the long-term portions of the transaction.&#160; We rely primarily on broker quotes to value these instruments.&#160; When our valuations utilize broker quotes, we perform various control procedures to ensure the quote has been developed consistent with fair value accounting guidance.&#160; These controls include assessing the quote for reasonableness by comparison against other broker quotes, reviewing historical price relationships, and assessing market activity.&#160; When broker quotes are not available, the primary valuation technique used to calculate the fair value is the extrapolation of forward pricing curves using observable market data for more liquid delivery points in the same region and actual transactions at more illiquid delivery points.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">When the unobservable portion is significant to the overall valuation of the transaction, the entire transaction is classified as Level 3.&#160; </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">56</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i3604fa9ae2c641cc95463bf5960b67f4" continuedAt="i29d3f248a5c045458f270c5ddd714c41"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Investments Held in Nuclear Decommissioning Trusts and Other Special Use Funds</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The nuclear decommissioning trusts and other special use funds invest in fixed income and equity securities.  Other special use funds include the coal reclamation escrow account and the active union employee medical account.  See Note 12 for additional discussion about our investment accounts.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We value investments in fixed income and equity securities using information provided by our trustees and escrow agent.  Our trustees and escrow agent use pricing services that utilize the valuation methodologies described below to determine fair market value. We have internal control procedures designed to ensure this information is consistent with fair value accounting guidance. These procedures include assessing valuations using an independent pricing source, verifying that pricing can be supported by actual recent market transactions, assessing hierarchy classifications, comparing investment returns with benchmarks, and obtaining and reviewing independent audit reports on the trustees&#8217; and escrow agent&#8217;s internal operating controls and valuation processes.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Fixed Income Securities</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Fixed income securities issued by the U.S. Treasury are valued using quoted active market prices and are typically classified as Level 1.&#160; Fixed income securities issued by corporations, municipalities, and other agencies, including mortgage-backed instruments, are valued using quoted inactive market prices, quoted active market prices for similar securities, or by utilizing calculations which incorporate observable inputs such as yield curves and spreads relative to such yield curves.&#160; These fixed income instruments are classified as Level 2.&#160; Whenever possible, multiple market quotes are obtained which enables a cross-check validation.&#160; A primary price source is identified based on asset type, class, or issue of securities.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Fixed income securities may also include short-term investments in certificates of deposit, variable rate notes, time deposit accounts, U.S. Treasury and Agency obligations, U.S. Treasury repurchase agreements, commercial paper, and other short-term instruments. These instruments are valued using active market prices or utilizing observable inputs described above.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Equity Securities</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Nuclear Decommissioning Trusts's equity security investments are held indirectly through commingled funds.&#160; The commingled funds are valued using the funds&#8217; NAV as a practical expedient.  The funds&#8217; NAV is primarily derived from the quoted active market prices of the underlying equity securities held by the funds.  We may transact in these commingled funds on a semi-monthly basis at the NAV.&#160; The commingled funds are maintained by a bank and hold investments in accordance with the stated objective of tracking the performance of the S&amp;P 500 Index.&#160; Because the commingled funds&#8217; shares are offered to a limited group of investors, they are not considered to be traded in an active market.  As these instruments are valued using NAV, as a practical expedient, they have not been classified within the fair value hierarchy.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Nuclear Decommissioning Trusts and other special use funds may also hold equity securities that include exchange traded mutual funds and money market accounts for short-term liquidity purposes.  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style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Fair Value Tables</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90ZXh0cmVnaW9uOmMxMWNkMWE0Y2I5OTQ5NmE4MjQ4Y2ZiYTQ5ZmE2OWY1XzEyMDM0_057fcc05-1e7b-4932-bd1e-227f394af553" continuedAt="i97f65bfe88ae49febe4cd4809df14e79" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the fair value at March&#160;31, 2021 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:32.867%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.345%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.971%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.856%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.971%"></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:0.1%"></td><td style="width:0.971%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.856%"></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:2.413%"></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:11.349%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;1</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;2</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;3</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span 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style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; 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><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><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ief72920bf997456f9645eca4276e9072_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzQtMS0xLTEtMA_7873c4d8-3a61-4f82-9d79-1d34bf4a4369">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span 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New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaef0a8e8e0d44c5d9a1c125eca8c1ba5_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzQtNS0xLTEtMA_c2a0d56b-aff2-4da6-a7f4-05411f807b63">15,340</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeAssetFairValueGrossLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzQtNy0xLTEtMA_07649688-07aa-4243-a5b8-67527066babe">3,882</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Nuclear decommissioning trust:</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><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iacc79b4fa7e140e8b41d76ad0f8f1ccc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzYtMS0xLTEtMA_c8a4f9c0-ce3e-492b-8538-36c0fc46589b">22,160</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i33f30a40b419455cb9fcaff0bf5b8840_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzYtMy0xLTEtMA_8d48e83a-89cc-4ae8-a8bb-0e0352689959">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2b7d40d949c24818bdb952c5ccfd43dd_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzYtNS0xLTEtMA_9c34a8c8-967d-469d-b129-3f4997f4680b">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib3dda1c334aa4098a82f12ec600d8afa_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i772eddd3d907470f901e1da082308627_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzEzLTMtMS0xLTA_2e1cb309-892a-4c3e-bc6e-09a902042a2a">329,171</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 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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:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other special use funds:</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><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iacc79b4fa7e140e8b41d76ad0f8f1ccc_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE2LTUtMS0xLTA_f2f121fa-4724-4797-8d54-080ab2253240">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib3dda1c334aa4098a82f12ec600d8afa_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" scale="3" 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia804ee588f9340a2a751ee415c5666a4_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE3LTUtMS0xLTA_df687af7-e564-4343-99e6-e8e7f685599e">&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i27b239d0e62340adb9abe2e8a0a5c970_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE3LTExLTEtMS0w_ef11da8d-2e41-4743-a1e6-019dd318a914">323,589</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idec0958ad4a04ce18db4fbbf692ab1fa_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE4LTEtMS0xLTA_02c6da96-20f0-41cc-95b0-fd4cb0744f42">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3d9216c000964fe5969b1c997a7a7b2f_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE4LTMtMS0xLTA_6fb6b3fc-aa07-42da-8300-b0287897f610">13,305</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id7b29ce22772419e81099698719dab27_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE4LTUtMS0xLTA_ea0e7efc-30d9-40a6-ad52-8bef09176b87">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7d0b558f15ec42508669b1bfcdf23000_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE4LTExLTEtMS0w_4e92a045-bdfe-4067-b748-fc023bbf7e6c">13,305</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal other special use funds</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ief72920bf997456f9645eca4276e9072_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE5LTEtMS0xLTA_618e4c91-dbe3-41bd-9a3e-9f43deffba4b">342,800</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i772eddd3d907470f901e1da082308627_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE5LTMtMS0xLTA_0e985ae7-9798-4795-869c-61437e04d16d">13,305</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaef0a8e8e0d44c5d9a1c125eca8c1ba5_I20210331" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE5LTUtMS0xLTA_16287f9e-044a-44d8-b200-d5e4d5457945">&#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><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE5LTctMS0xLTA_b40dce19-0e78-4779-8662-b13aa9a39075">1,401</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><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzE5LTExLTEtMS0w_869197a5-0ef7-41e9-a0cc-bc2949edbe76">357,506</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:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ief72920bf997456f9645eca4276e9072_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsFairValueDisclosure" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzIxLTEtMS0xLTA_c1d10dc8-f556-4d2e-9c5c-0867afea6928">540,667</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i772eddd3d907470f901e1da082308627_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AssetsFairValueDisclosure" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZToxMzkwOTBmNWRkMWQ0YmJkYjVmZjhhNTQ1ODc1NmRlYy90YWJsZXJhbmdlOjEzOTA5MGY1ZGQxZDRiYmRiNWZmOGE1NDU4NzU2ZGVjXzIxLTMtMS0xLTA_a0790b4b-42fb-4a51-85d6-188785b0629e">356,829</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:'Times New 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0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents counterparty netting, margin, and collateral.  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style="padding-left:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">58</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i3839c3643ebb401c820809d247f2f5da" continuedAt="i6d804af784cf4898be36794590f7ed31"><ix:continuation id="i97f65bfe88ae49febe4cd4809df14e79"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the fair value at December&#160;31, 2020 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"><tr><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:10.794%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.794%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4c7b6742dc784e778cdd046a9b9fd038_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzctNy0xLTEtMA_1969c212-a04e-436f-82bf-a272bbf783d6">610,055</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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaad78c23acd1473495eda0b08e6e77c9_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" 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style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2201c8d5545749f3be9642aecebcecc7_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" 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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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0f77639fe6824cc3ad5fb4e58e7fc97b_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DecommissioningTrustAssetsAmount" scale="3" 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6bf1bcbf5a98481db0d6d4cd9caf45db_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE3LTEtMS0xLTA_9c5d5b9c-0a78-4bf8-b272-30f82c0c89e9">203,220</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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3aa5b5016c2b4307b572617d1e29b0c6_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE3LTMtMS0xLTA_7a96110c-ff9d-4d12-a464-35e7d56779a6">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i45ba5045e5e04fdd80315945a9caa125_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE3LTUtMS0xLTA_38115d5d-eee7-468c-bc10-8acabb9a4174">&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2201c8d5545749f3be9642aecebcecc7_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE3LTExLTEtMS0w_5cb45b10-b27c-40f4-8056-c03afc6acf0a">203,220</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec47d419b5fd496e834270113c2d3a96_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE4LTEtMS0xLTA_5a59c93d-b498-47d2-aa0f-fd46f2c40eaf">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6dbfa46c58244607a1eafa4279e00336_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE4LTMtMS0xLTA_818dbcdc-5e22-4c76-87a3-0120a38467a7">13,448</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i300463c1a1274f4498532cbedace68fe_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE4LTUtMS0xLTA_5b3a564e-b95c-4b38-a38c-72d9839bd8f2">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0f77639fe6824cc3ad5fb4e58e7fc97b_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE4LTExLTEtMS0w_2b9f76db-c058-4025-be4c-f2aeea03eaab">13,448</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal other special use funds</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic902bcc931ca4675a2e6a0b2c14d6a2f_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE5LTEtMS0xLTA_382c2885-e2ff-4e70-b358-f6f9eb2b8462">240,557</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icd7552d3f6db47398e6095c26a0df924_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE5LTMtMS0xLTA_d6c440ea-9eb5-4408-9659-080544b7cd9d">13,448</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3ecee03a95964db584e5c200f49022ca_I20201231" decimals="-3" format="ixt:zerodash" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE5LTUtMS0xLTA_1d5156ce-e1f7-456d-99ff-aa6018ca73af">&#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><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" name="pnw:SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE5LTctMS0xLTA_4dfc29a2-1872-46f5-abcc-68626df17301">504</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><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:SpecialUseFundInvestmentsOtherGrossFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzE5LTExLTEtMS0w_4c5c4a0e-211a-4703-9c6c-864589e6b534">254,509</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:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic902bcc931ca4675a2e6a0b2c14d6a2f_I20201231" decimals="-3" format="ixt:numdotdecimal" 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3ecee03a95964db584e5c200f49022ca_I20201231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzIxLTUtMS0xLTA_e7ff71c7-9800-46b8-b9dc-dd388f7416fe">4</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="pnw:AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzIxLTctMS0xLTA_2da8b85d-df24-4009-85e1-1f9b5aa0f79d">588,460</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><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic902bcc931ca4675a2e6a0b2c14d6a2f_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzI0LTEtMS0xLTA_acbc9c80-4c45-4832-a2b1-da2260f6e97f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="icd7552d3f6db47398e6095c26a0df924_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzI0LTMtMS0xLTA_3abe102c-1d85-4616-b7e9-f3806aa62078">20,498</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzI0LTctMS0xLTA_526bd225-260a-4ec4-89b7-9dad3a119cd2">2,986</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90YWJsZTphNzJkNTU3MjkwMzQ0OWM1OWUwYzcyNTZlYjRhY2JiNy90YWJsZXJhbmdlOmE3MmQ1NTcyOTAzNDQ5YzU5ZTBjNzI1NmViNGFjYmI3XzI0LTExLTEtMS0w_fc44210a-0581-46dc-8ae4-60e8cd9468c2">18,619</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents counterparty netting, margin, and collateral.  See Note 7.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.</span></div></ix:continuation><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Fair Value Measurements Classified as Level 3</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The significant unobservable inputs used in the fair value measurement of our energy derivative contracts include broker quotes that cannot be validated as an observable input primarily due to the long-term nature of the quote or other characteristics of the product.&#160; Significant changes in these inputs in isolation would result in significantly higher or lower fair value measurements.&#160; Changes in our derivative contract fair values, including changes relating to unobservable inputs, typically will not impact net income due to regulatory accounting treatment (see Note 4).</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Because our forward commodity contracts classified as Level 3 are currently in a net purchase position, we would expect price increases of the underlying commodity to result in increases in the net fair value of the related contracts.&#160; Conversely, if the price of the underlying commodity decreases, the net fair value of the related contracts would likely decrease.</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">59</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="i6d804af784cf4898be36794590f7ed31"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Other unobservable valuation inputs include credit and liquidity reserves which do not have a material impact on our valuations; however, significant changes in these inputs could also result in higher or lower fair value measurements.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Financial Instruments Not Carried at Fair Value</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The carrying value of our short-term borrowings approximate fair value and are classified within Level 2 of the fair value hierarchy.&#160;See Note 3 for our long-term debt fair values.  The NTEC note receivable related to the sale of 4CA&#8217;s interest in Four Corners bears interest at <ix:nonFraction unitRef="number" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="4" name="pnw:StatedInterestRateforNotesReceivable" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90ZXh0cmVnaW9uOmMxMWNkMWE0Y2I5OTQ5NmE4MjQ4Y2ZiYTQ5ZmE2OWY1XzExNjc3_c933734c-b8a8-41f3-bbf1-91616275deeb">3.9</ix:nonFraction>% per annum and has a book value of $<ix:nonFraction unitRef="usd" contextRef="i3e987c93a0594f7ea8cad139c10f5132_I20210331" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:NotesReceivableNet" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90ZXh0cmVnaW9uOmMxMWNkMWE0Y2I5OTQ5NmE4MjQ4Y2ZiYTQ5ZmE2OWY1XzExNTQ0ODcyMTAzNzgz_b34f6f44-ca1b-434f-a14b-a65cc163b68c">22.7</ix:nonFraction>&#160;million as of March&#160;31, 2021 and $<ix:nonFraction unitRef="usd" contextRef="i2e5b7f186ea14744ac10681d92239286_I20201231" decimals="-5" format="ixt:numdotdecimal" name="us-gaap:NotesReceivableNet" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90ZXh0cmVnaW9uOmMxMWNkMWE0Y2I5OTQ5NmE4MjQ4Y2ZiYTQ5ZmE2OWY1XzExNTQ0ODcyMTAzODEy_5f65b20a-9ef9-40e5-a49a-b43024d09fc2">27.1</ix:nonFraction>&#160;million as of December 31, 2020, as presented on the Condensed Consolidated Balance Sheets.&#160; The carrying amount is not materially different from the fair value of the note receivable and is classified within Level 3 of the fair value hierarchy.&#160; See Note 8 for more information on 4CA matters.</span></div></ix:continuation><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_103"></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">12.&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzQwOTU_50f5b75d-158b-4b7a-8593-505d9413e9ff" continuedAt="ic070e89a936849eea659cf17b72c81e1" escape="true">Investments in Nuclear Decommissioning Trusts and Other Special Use Funds </ix:nonNumeric></span></div><div style="padding-left:36pt;text-indent:-36pt"><span><br/></span></div><ix:continuation id="ic070e89a936849eea659cf17b72c81e1" continuedAt="i63a2bfe1ac8d4600bf400501624cf59b"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have investments in debt and equity securities held in Nuclear Decommissioning Trusts, Coal  Reclamation Escrow Account, and an Active Union Employee Medical Account. Investments in debt securities are classified as available-for-sale securities.  We record both debt and equity security investments at their fair value on our Condensed Consolidated Balance Sheets.  See Note 11 for a discussion of how fair value is determined and the classification of the investments within the fair value hierarchy.  The investments in each trust or account are restricted for use and are intended to fund specified costs and activities as further described for each fund below.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Nuclear Decommissioning Trusts &#8212; </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS established external decommissioning trusts in accordance with NRC regulations to fund the future costs APS expects to incur to decommission Palo Verde.&#160; Third-party investment managers are authorized to buy and sell securities per stated investment guidelines.&#160; The trust funds are invested in fixed income securities and equity securities.  Earnings and proceeds from sales and maturities of securities are reinvested in the trusts.  Because of the ability of APS to recover decommissioning costs in rates, and in accordance with the regulatory treatment, APS has deferred realized and unrealized gains and losses (including credit losses) in other regulatory liabilities. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Coal Reclamation Escrow Account &#8212; </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has investments restricted for the future coal mine reclamation funding related to Four Corners. This escrow account is primarily invested in fixed income securities. Earnings and proceeds from sales of securities are reinvested in the escrow account.  Because of the ability of APS to recover coal mine reclamation costs in rates, and in accordance with the regulatory treatment, APS has deferred realized and unrealized gains and losses (including credit losses) in other regulatory liabilities.  Activities relating to APS coal mine reclamation escrow account investments are included within the other special use funds in the table below.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Active Union Employee Medical Account &#8212; </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has investments restricted for paying active union employee medical costs. These investments may be used to pay active union employee medical costs incurred in the current and future periods.  In 2020 and 2019, APS was reimbursed $<ix:nonFraction unitRef="usd" contextRef="iec9a8299937943fd8c23505565e902af_D20200101-20201231" decimals="-6" format="ixt:numdotdecimal" name="pnw:EmployeeMedicalClaimsAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3Xzc2OTY1ODEzOTkzNzc_a0cb71d1-9536-4fd6-b5a2-3091af038461">14</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="i0a223f93d5224661a7825ee592d19a84_D20190101-20191231" decimals="-6" format="ixt:numdotdecimal" name="pnw:EmployeeMedicalClaimsAmount" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3Xzc2OTY1ODEzOTkzOTA_1314392d-c780-4566-ab42-b37653dcd19a">15</ix:nonFraction>&#160;million, respectively, for prior year active union employee medical claims from the active union employee medical account.  The account is invested primarily in fixed income securities. In accordance with the ratemaking treatment, APS has deferred the unrealized gains and losses (including credit losses) in other regulatory liabilities. Activities relating to active union employee medical account investments are included within the other special use funds in the table below.  On January 4, 2021, an additional $<ix:nonFraction unitRef="usd" contextRef="i73377ce21ca14fbf839c529a61cccca3_D20210104-20210104" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:DefinedBenefitPlanAssetsTransferredToFromPlan" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3Xzc2OTY1ODEzOTk0MDM_86fc6f51-71d4-438d-b3b8-3cacba0d399e">106</ix:nonFraction>&#160;million of investments were transferred from APS other postretirement benefit trust assets into the active union employee medical account (see Note 5).</span></div></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">60</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="text-indent:36pt"><span><br/></span></div><ix:continuation id="i63a2bfe1ac8d4600bf400501624cf59b" continuedAt="i9fb3e2aedd5a4196b67a591ad43417c0"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">APS</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:AvailableForSaleSecuritiesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzQwOTk_dfa5b754-f79c-45c2-b1ab-27a7744d3fab" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following tables present the unrealized gains and losses based on the original cost of the investment and summarizes the fair value of APS&#8217;s nuclear decommissioning trusts and other special use fund assets (dollars in thousands): &#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:36.820%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.687%"></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:9.002%"></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:10.613%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.413%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.856%"></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:8.421%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" rowspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Gains</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" rowspan="2" 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic16a8d4c5d5f41f9a0f9bc37adaeaef8_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesEquitySecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzMtMS0xLTEtMA_99cc1643-5c0b-43b1-97b7-61684418d2e7">670,359</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibfa28267dade4c3d8adb259c45724585_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesEquitySecurities" scale="3" 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if1c18eaeedba4adb89f4ee45bf839803_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesEquitySecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzMtNS0xLTEtMA_2c8feb99-0b5a-4125-8ed6-b73f3405da90">689,570</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if1c18eaeedba4adb89f4ee45bf839803_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzMtNy0xLTEtMA_fa6e2cd9-4287-45f5-bae4-5ce26697e08a">457,442</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if1c18eaeedba4adb89f4ee45bf839803_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzMtOS0xLTEtMA_b7ae22d1-dbfc-4fee-8a1c-12e3bf4229ad">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Available for sale-fixed income securities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i86039350061a4cccae9dd7358697a1ba_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzQtMS0xLTEtMA_537fdcf1-e822-4303-8ec6-41a8f8536c0d">504,878</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i56774476727a4a2da2a6b97a9d9e7c16_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzQtMy0xLTEtMA_b300e79f-ce7c-4a2a-8bbf-d13a1d7bdecc">336,894</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic0a3aada937040aba9b8a26528256c66_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzQtNS0xLTEtMA_9f24ba2d-9a92-401d-a20b-826d915bb644">841,772</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic0a3aada937040aba9b8a26528256c66_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzQtNy0xLTEtMA_4606eabd-f875-4e73-a87b-ffc95967677b">27,338</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic0a3aada937040aba9b8a26528256c66_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzQtOS0xLTEtMA_dfb27b37-dcc0-48d8-a9a2-d7b7e4863e0f">3,203</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i76a2ccf4eaa54af3a33094ad9e7560cf_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:AvailableforsaleSecuritiesOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzUtMS0xLTEtMA_01957efb-3de7-4f14-80bd-2672042ddc75">15,538</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4cf848a8c0b841a8b6a772b392231f89_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:AvailableforsaleSecuritiesOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzUtMy0xLTEtMA_61e2c57d-87b7-4282-83bf-317a4ab44317">1,401</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3cf1d3247d464b36b798ea376750e710_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:AvailableforsaleSecuritiesOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzUtNS0xLTEtMA_37642b43-3d03-49ee-a0f2-09482c1e9e8f">14,137</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3cf1d3247d464b36b798ea376750e710_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzUtNy0xLTEtMA_e8e9541d-0b5e-4997-9f6e-b69cae1a151e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3cf1d3247d464b36b798ea376750e710_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzUtOS0xLTEtMA_b7578f00-f8cf-4425-b0ef-4c74bf7a305f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic43499e1231b42099ffa5ae8e06b5b78_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzYtMS0xLTEtMA_71cb78a6-d9af-4d05-9feb-39e1af723ce5">1,159,699</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idf11ada967a443a7a24e6c63e80a16aa_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzYtMy0xLTEtMA_8c31d6ac-6db5-4c73-b1f6-5637b372a11a">357,506</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzYtNS0xLTEtMA_1d41bd5f-276f-4534-91c3-6f429af4d4b1">1,517,205</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzYtNy0xLTEtMA_fe2f89dc-fe31-4f31-98af-9fc4a60c01e1">484,780</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTplZWVlMzVjYzdjNWE0YmZmOTAxZTE2M2I0ZjdkNDBjNy90YWJsZXJhbmdlOmVlZWUzNWNjN2M1YTRiZmY5MDFlMTYzYjRmN2Q0MGM3XzYtOS0xLTEtMA_c3c1046f-bafc-4838-ac20-db33b2620e37">3,203</ix:nonFraction>)</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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">As of March&#160;31, 2021, the amortized cost basis of these available-for-sale investments is $<ix:nonFraction unitRef="usd" contextRef="i023503cad48d44a28510bfd189b53b7d_I20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzI5OTY_30da0484-f80c-4fbc-bcfb-872a50e06e98">818</ix:nonFraction> million.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:36.820%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.687%"></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:9.002%"></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:10.613%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.413%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.856%"></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:8.421%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Fair&#160;Value</span></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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Gains</span></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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Losses</span></td></tr><tr style="height:32pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Investment Type:</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie2e08e984861458fb3b06e54d57fecce_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesEquitySecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzMtMS0xLTEtMA_3635d802-2ad2-444d-884c-7f84a6426971">639,851</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iafadea92ee4c478aae5895ab91a21b23_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesEquitySecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzMtMy0xLTEtMA_f4555c17-329c-4fa4-a79d-0f72b1c71901">37,337</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3621535e20864675a683f62fe4f4be06_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesEquitySecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzMtNS0xLTEtMA_a9b4a679-0fb1-400d-9d0f-96dd9e655cb7">677,188</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3621535e20864675a683f62fe4f4be06_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzMtNy0xLTEtMA_d3761d8e-84b3-452a-82d7-becf66bd131e">421,666</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3621535e20864675a683f62fe4f4be06_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzMtOS0xLTEtMA_a71a3613-2105-439a-b241-a9292dd4e31a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Available for sale-fixed income securities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0e97045e143e492f913a112b3f6f5cda_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzQtMS0xLTEtMA_1e9202a5-1fa9-4e92-927e-38262f35fbb1">516,412</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3aeb069efb7a40bd8aadc96e8ad2f9ce_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzQtMy0xLTEtMA_65ceffdd-e21e-4aa6-a91f-228adf18f911">216,668</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2ef2a9a31783428ba5572a29ec68b2ab_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzQtNS0xLTEtMA_ba531ecf-ee01-4c48-880c-a5de1f502df6">733,080</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2ef2a9a31783428ba5572a29ec68b2ab_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzQtNy0xLTEtMA_c364dd73-9262-4f08-9478-e181ee04f517">46,581</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i2ef2a9a31783428ba5572a29ec68b2ab_I20201231" decimals="-3" name="us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzQtOS0xLTEtMA_1357e9f4-ef23-4ba1-952b-2cfa0b399ebe">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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i89e13d27a87246c6be7e2f1d39422d6a_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:AvailableforsaleSecuritiesOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzUtMS0xLTEtMA_c0e799f2-4021-4cd3-ac75-01f97e959180">17,828</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0b3b50499d3a4538976d46a4eef9ecf8_I20201231" decimals="-3" name="pnw:AvailableforsaleSecuritiesOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzUtMy0xLTEtMA_30dcaa15-e2e5-4955-85f2-f8377a7858d1">504</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6b616b3143eb4b01900321f0acfbacba_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="pnw:AvailableforsaleSecuritiesOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzUtNS0xLTEtMA_cc350e3b-6ba3-4a98-8820-3a986b92872a">17,324</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6b616b3143eb4b01900321f0acfbacba_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzUtNy0xLTEtMA_8de0c660-7481-4b3b-ae36-f0295b58d834">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib1665d5635a84df584d06b130cfcac83_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzYtMS0xLTEtMA_dbb16cd1-f571-4fe6-9bbc-a970cf9e097d">1,138,435</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib2427a73074f40e399cd1ae78c085e92_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzYtMy0xLTEtMA_da9a1c7c-55ab-42eb-904e-d2563b5cae8c">254,509</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzYtNS0xLTEtMA_1c9bfea3-8995-4d87-8684-765971c94cdf">1,392,944</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzYtNy0xLTEtMA_4652a22b-b39c-43e1-9c03-10247b0a8c25">468,247</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-3" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDkxMDVjNzQ4Y2Q0NjYzYWUwODZiOGFiYTUwNTE2ZS90YWJsZXJhbmdlOmYwOTEwNWM3NDhjZDQ2NjNhZTA4NmI4YWJhNTA1MTZlXzYtOS0xLTEtMA_ac81b1ff-92b4-43d2-8eba-7d5ad5eca023">398</ix:nonFraction>)</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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">As of December&#160;31, 2020, the amortized cost basis of these available-for-sale investments is $<ix:nonFraction unitRef="usd" contextRef="i72e76587f1574c2d9975f32e7924551d_I20201231" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzMxMzk_7db3a0f3-3deb-4541-9379-d3c6ca94fa72">687</ix:nonFraction> million.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div></ix:nonNumeric></ix:continuation><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">61</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="padding-left:36pt"><span><br/></span></div><ix:continuation id="i9fb3e2aedd5a4196b67a591ad43417c0"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:ScheduleOfRealizedGainLossTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzQxMDM_40c9e147-be39-46b1-bc4a-b442a6437f05" continuedAt="i5623d7abfeca44ae84cea41e02f80cd8" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table sets forth APS&#8217;s realized gains and losses relating to the sale and maturity of available-for-sale debt securities and equity securities, and the proceeds from the sale and maturity of these investment securities (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:42.448%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.228%"></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:17.228%"></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:17.230%"></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized gains</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8971df06158e4cefa3c4d3b863dd7068_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedGains" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzMtMS0xLTEtMA_12948a41-323e-4501-8f3a-2b59807fe12c">2,968</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i53f22e48d06145d297d5e671763fdc79_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedGains" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzMtMy0xLTEtMA_b023b8d6-2705-46a0-85e5-00af9cc72fc7">&#8212;</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedGains" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzMtNS0xLTEtMA_53bd85fe-f05c-4d73-ac0f-0ccae71ee4ce">2,968</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized losses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8971df06158e4cefa3c4d3b863dd7068_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzQtMS0xLTEtMA_de7444fb-afe0-4ad9-9272-0927cce9e209">4,148</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i53f22e48d06145d297d5e671763fdc79_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzQtMy0xLTEtMA_b36f9cb3-ba82-46dd-a992-1214cef6efab">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzQtNS0xLTEtMA_a3f1771b-f2fa-485b-83fb-f3fb7fad703d">4,148</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Proceeds from the sale of securities (a)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8971df06158e4cefa3c4d3b863dd7068_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzUtMS0xLTEtMA_674c88f6-f7f4-46b6-add6-95a17eb66ab9">234,728</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzUtNS0xLTEtMA_94e36dcc-7009-4f25-87f6-92e3e81b3789">379,978</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized gains</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9cd90ab0961647d89463d7c01ed5e793_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedGains" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzctMS0xLTEtMA_cec585d2-7909-4916-b2a3-349335a6666d">3,313</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idb35ead9f8634a15ae538e6b07732312_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedGains" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzctMy0xLTEtMA_1debfca2-0b01-4735-b934-0ea8c7279f7c">&#8212;</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedGains" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzctNS0xLTEtMA_507300a3-3bbd-4b5a-ac07-009545c13328">3,313</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized losses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9cd90ab0961647d89463d7c01ed5e793_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzgtMS0xLTEtMA_0c5e4f27-59fc-4554-ab83-5b807203dcfd">2,227</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idb35ead9f8634a15ae538e6b07732312_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzgtNS0xLTEtMA_9286df71-26f5-45f1-b73a-3d8611c5dbff">2,227</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Proceeds from the sale of securities (a)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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format="ixt:numdotdecimal" name="us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzktMy0xLTEtMA_f53996af-219e-4816-8e66-312021d3e261">16,891</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpmMDE0NjRmYzk5Y2Q0OThlYTE3MDU0OTM3NmNiOGFlMy90YWJsZXJhbmdlOmYwMTQ2NGZjOTljZDQ5OGVhMTcwNTQ5Mzc2Y2I4YWUzXzktNS0xLTEtMA_5bf1d958-359f-41b1-9cd5-6a9dcde98472">195,087</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"><ix:continuation id="i5623d7abfeca44ae84cea41e02f80cd8">(a)&#160;&#160;&#160;&#160;Proceeds are reinvested in the nuclear decommissioning trusts and other special use funds, excluding amounts reimbursed to the Company for active union employee medical claims from the active union employee medical account.</ix:continuation>&#160;&#160;&#160;&#160;</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Fixed Income Securities Contractual Maturities</span></div><div style="padding-left:36pt;text-indent:-18pt"><span><br/></span></div><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzQwODI_c8a38484-fdf2-46f9-8e21-3f4a60d86121" escape="true"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The fair value of APS&#8217;s fixed 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style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trust</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Coal Reclamation Escrow Account</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Active Union Employee Medical 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3d682451e347c1b09b0eab48f3e39b_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzEtMy0xLTEtMA_a78a40e2-ead4-49e3-a79f-be4b5b53f733">26,259</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8f7424cddee643c9bede1ad8e0dcea4d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzEtNS0xLTEtMA_d1c27475-cb43-4f4d-9e93-7b9feb25c2d4">40,469</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic0a3aada937040aba9b8a26528256c66_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzEtNy0xLTEtMA_219b1d39-dd20-4f41-9f6f-0708bbc8e44d">91,776</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times 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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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3d682451e347c1b09b0eab48f3e39b_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzItMy0xLTEtMA_70725637-67fc-45f9-a9c7-659da1540c7e">34,936</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8f7424cddee643c9bede1ad8e0dcea4d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzItNS0xLTEtMA_7850d5b8-b7b6-439d-9d9a-c01a51ec5ad7">160,324</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic0a3aada937040aba9b8a26528256c66_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzItNy0xLTEtMA_683d42e8-44e1-4cdf-be26-503049cd5e2a">342,607</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5 years &#8211; 10 years</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i86039350061a4cccae9dd7358697a1ba_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzMtMS0xLTEtMA_e2a5513c-a7ad-4e8b-844b-4e339c85d299">137,479</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3d682451e347c1b09b0eab48f3e39b_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzMtMy0xLTEtMA_5f322364-5d36-4931-9871-c888a3c76745">2,708</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8f7424cddee643c9bede1ad8e0dcea4d_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzMtNS0xLTEtMA_df18cd04-c7dc-443d-baa6-cc1670a08cc6">63,477</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic0a3aada937040aba9b8a26528256c66_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzMtNy0xLTEtMA_83b8335d-de21-4d31-96d1-ea388aa26189">203,664</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Greater than 10 years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i86039350061a4cccae9dd7358697a1ba_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzQtMS0xLTEtMA_cacce184-b2b2-41ab-9a64-902109e509dc">195,004</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3d682451e347c1b09b0eab48f3e39b_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzQtMy0xLTEtMA_9834d51a-93c0-4e61-9553-c7bab8f1f0f5">8,721</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8f7424cddee643c9bede1ad8e0dcea4d_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzQtNS0xLTEtMA_534f5865-a56a-4be0-9b05-1eb25febd813">&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic0a3aada937040aba9b8a26528256c66_I20210331" decimals="-3" format="ixt:numdotdecimal" name="us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzQtNy0xLTEtMA_04331db0-32a0-498d-b964-26592c6b9fa6">203,725</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i86039350061a4cccae9dd7358697a1ba_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DecommissioningandOtherSpecialUseFundInvestmentsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzUtMS0xLTEtMA_621f3dac-5cb5-4d52-be89-efb3d26bf6db">504,878</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3d682451e347c1b09b0eab48f3e39b_I20210331" decimals="-3" format="ixt:numdotdecimal" name="pnw:DecommissioningandOtherSpecialUseFundInvestmentsFairValue" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzUtMy0xLTEtMA_333f4da9-89e2-44c2-aa98-61c9b208caaf">72,624</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double 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style="margin-bottom:10pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">62</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_109"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">13.</span><span style="color:#000000;font-family:'Times New 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 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style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzMtOS0xLTEtMA_955e5f19-30fd-4c82-b6a5-e7b8cdd67fc2">262</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1221a5e4e50b41e6acc57df929db3fbc_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzQtMS0xLTEtMA_9b2e2c87-56e4-4ea1-8885-b7006e1aa89c">1,022</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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i02ea17d6e44b43948b9533a14debdb48_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzQtNS0xLTEtMA_56e4eeed-4b40-49fe-b405-875a4496046b">&#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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzQtOS0xLTEtMA_54199cfe-3dfe-4fc3-8ca0-ece0847aceaf">1,022</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2021</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i86bcbd926d784511a7e6731d3fda0aa6_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzUtMS0xLTEtMA_ce66e90f-1809-4971-bd58-d45589e1d261">59,703</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i821cb890167d4994b311cd88792a96be_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzUtNS0xLTEtMA_8503b928-165b-4c69-9289-0f4ffe7355fb">1,809</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9391d7983ca54e0cb87811523e1a0a5b_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzUtOS0xLTEtMA_c7be6843-a62e-4114-b945-d5efa26a2dcc">61,512</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:3pt double #000000;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;border-top:3pt double #000000;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;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 2019</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i10f50d0433804eed8ce0917a63f973bf_I20191231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzctMS0xLTEtMA_6bbbd851-7b34-4366-a578-aa27e58c72df">56,522</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iba919b2c5b014f6ba5d6d20032cc53ba_I20191231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzctNS0xLTEtMA_97cd57ce-59f3-4115-a89d-9f01a47209ea">574</ix:nonFraction>)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic3eed883074c48eab4fc4f2fa82dfbba_I20191231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzctOS0xLTEtMA_709852ea-7af1-4521-aba0-34d001aba04e">57,096</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id659cdc6819b4ad88c18679065cc37a1_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzgtMS0xLTEtMA_eeca1d66-2580-4389-801a-3cf2800410ed">&#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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8900e16278c944d4b6fa83f94a3f63f7_D20200101-20200331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzgtNS0xLTEtMA_aee6e69e-fab7-4925-a9ae-e100cde9b8f3">292</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><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzgtOS0xLTEtMA_b280edaf-36d5-4e0d-8c75-9a177aaf2a47">292</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive loss</span></td><td colspan="2" 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style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8900e16278c944d4b6fa83f94a3f63f7_D20200101-20200331" decimals="-3" sign="-" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzktNS0xLTEtMA_4f701bd5-8a9c-4e8e-925d-d7b611ffa3d6">20</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzktOS0xLTEtMA_df80e2f6-5660-484f-adff-7556b0fcbc5e">1,225</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2020</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie361d1f6577c4b2ea5690b896ad08b73_I20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzExLTEtMS0xLTA_94041b45-ca6a-4ba8-80a1-8fe9b83affc3">55,317</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia083a2fa9b4c410ab978eea988bec317_I20200331" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzExLTUtMS0xLTA_b43f334d-32d5-437d-9464-1dc992feba09">262</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;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><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 #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic461c11834eb460e9f9ce699241dd914_I20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90YWJsZTo4YjRkMTc2NTc0OWM0Mzc4ODFkZThiYjdlOTg3ZGM5My90YWJsZXJhbmdlOjhiNGQxNzY1NzQ5YzQzNzg4MWRlOGJiN2U5ODdkYzkzXzExLTktMS0xLTA_422fca09-e869-4aa9-9fb9-7d4d475167d3">55,579</ix:nonFraction>)</span></td><td 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style="padding-left:54pt;text-indent:-18pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">63</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_112"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><ix:continuation id="ifa79ab74449848f5b2ecf2ac5fe2cce7"><ix:continuation id="i0ec83bb3c1f34cc8bae93ceaf282c78c"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the changes in APS&#8217;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component for the three months ended March 31, 2021 and 2020 (dollars in thousands):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:43.490%"></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:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.847%"></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:12.935%"></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:2.847%"></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:13.526%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Pension and Other Postretirement Benefits</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Derivative Instruments</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Total </span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 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1pt"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib158792d40af4f20bb892439957a9237_I20201231" decimals="-3" format="ixt:zerodash" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzItNS0xLTEtMA_54687c05-755e-4f42-95e1-d3a8283d2482">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i142554e16285415899063009cecef75b_I20201231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzItOS0xLTEtMA_8b768780-a151-44b6-bc0c-e3c821e0dfc2">40,918</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive loss</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i81f229fb40034283a3226c45f6e561e2_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzQtMS0xLTEtMA_bfbd88a9-40f7-469f-9227-87fb781fb981">927</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8ce40ee7ba994a8e933ced7dfb3fd601_D20210101-20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzQtNS0xLTEtMA_19db7d5d-95d8-4e20-81bb-501fd153a1c3">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98acec56118346b39cf541ad28589957_D20210101-20210331" decimals="-3" sign="-" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzQtOS0xLTEtMA_b9d74ba4-e749-4a00-926a-c324d782a25b">927</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i037ef2a4b7ea4cb09e3f15bba776e275_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzUtMS0xLTEtMA_df2fb212-3d6e-4134-b27e-1975ebc5ca62">39,991</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5430e2bb05374fa98b676b912a790785_I20210331" decimals="-3" format="ixt:zerodash" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzUtNS0xLTEtMA_019436fb-fca1-4eaf-bb8f-6aebf1ccbbc8">&#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><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-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i98c68cfe6fa344aa8ae8e2ca999376ad_I20210331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzUtOS0xLTEtMA_448f1388-129c-410a-ad70-6fad1b3a13b6">39,991</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:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifdf1461c23ab48ccb29faed1d153dd0a_I20191231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzctMS0xLTEtMA_6ce2b12e-ac4d-462a-81df-e2407b76f548">34,948</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><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia96adabc4c21472b9b2e95548151d169_I20191231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzctNS0xLTEtMA_bbd13c82-5b0a-471c-b316-61167eab482f">574</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i443c335e7f134351b045981e49edd0fa_I20191231" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzctOS0xLTEtMA_4a9c2987-1dba-4df3-b9c5-018f82659de7">35,522</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i04bd7ad37b20430589d8f61b181275eb_D20200101-20200331" decimals="-3" format="ixt:zerodash" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzgtMS0xLTEtMA_ff84bd8a-02c5-4b53-ae0f-56ffa9821194">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3f17e27ecf7d48c5ad2e40ae83be776e_D20200101-20200331" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzktNS0xLTEtMA_c9e28129-e304-4189-8e45-645181e280e7">20</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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(b)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac6629882a04614b4077892fe62bb3b_D20200101-20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzktOS0xLTEtMA_6ed1015d-cd14-4d11-ad26-e914129f6c1e">1,033</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2020</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ibef0476f56364725a105cf4a10b3c19e_I20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzExLTEtMS0xLTA_59daf902-1078-492d-bf14-cbee2de6e20b">33,935</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iebb31b8a0a4345b6bb0cb57f3945d96d_I20200331" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzExLTUtMS0xLTA_70400511-8b7e-4e24-9943-df02aecdddda">262</ix:nonFraction>)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ibb9aab48fe504da1b79150b0a2accb56_I20200331" decimals="-3" sign="-" format="ixt:numdotdecimal" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTIvZnJhZzplNzhkZDM0YzY4MzE0YjNjYTJjMjdkNTYxOTJkMGVlMi90YWJsZTo5ZWIxMzA0MTc3NzE0MTY0OWYzMmUwOWUzZDQ1MmU4NC90YWJsZXJhbmdlOjllYjEzMDQxNzc3MTQxNjQ5ZjMyZTA5ZTNkNDUyZTg0XzExLTktMS0xLTA_c307de29-6c79-4171-b43b-20b71eeeda8d">34,197</ix:nonFraction>)</span></td><td style="background-color:#cceeff;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 style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)  These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)  These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.</span></div></ix:continuation></ix:continuation><div style="padding-left:54pt;text-indent:-18pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">64</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_115"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div style="text-align:center"><span><br/></span></div><div style="text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COMBINED NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</span></div></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">14.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:700;line-height:120%">&#160;&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" name="us-gaap:IncomeTaxDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTUvZnJhZzowYmMwYTRjN2EyYWY0ZjM0ODUyYzZiYzc2YjVlMGY4ZS90ZXh0cmVnaW9uOjBiYzBhNGM3YTJhZjRmMzQ4NTJjNmJjNzZiNWUwZjhlXzM2MTQ_0c779cc5-5c26-44ad-992a-da1d2dba4433" continuedAt="i2980ffc19d4242d0860753f6b30fe2a3" escape="true">Income Taxes</ix:nonNumeric></span></div><ix:continuation id="i2980ffc19d4242d0860753f6b30fe2a3"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Tax Act reduced the corporate tax rate to 21% effective January 1, 2018.  As a result of this rate reduction, the Company recognized a $<ix:nonFraction unitRef="usd" contextRef="ia2f3f0965bdf49bf9d151862886c95a3_D20170101-20171231" decimals="-7" format="ixt:numdotdecimal" name="us-gaap:TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" scale="9" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTUvZnJhZzowYmMwYTRjN2EyYWY0ZjM0ODUyYzZiYzc2YjVlMGY4ZS90ZXh0cmVnaW9uOjBiYzBhNGM3YTJhZjRmMzQ4NTJjNmJjNzZiNWUwZjhlXzE1Mw_c28471e1-1c4d-4e19-ad04-acc1b7b2b19c">1.14</ix:nonFraction> billion reduction in its net deferred income tax liabilities as of December 31, 2017.  In accordance with accounting for regulated companies, the effect of this rate reduction was substantially offset by a net regulatory liability.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Federal income tax laws require the amortization of a majority of the balance over the remaining regulatory life of the related property.  As a result of the modifications made to the annual transmission formula rate during the second quarter of 2018, the Company began amortization of FERC jurisdictional net excess deferred tax liabilities in 2018.  On March 13, 2019, the ACC approved the Company&#8217;s proposal to amortize non-depreciation related net excess deferred tax liabilities subject to its jurisdiction over a twelve-month period.  As a result, the Company began amortization in March 2019. The Company recorded $<ix:nonFraction unitRef="usd" contextRef="i5be5373439484506833bd7e395b9fc43_D20200101-20200331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxReconciliationDeductionsOther" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTUvZnJhZzowYmMwYTRjN2EyYWY0ZjM0ODUyYzZiYzc2YjVlMGY4ZS90ZXh0cmVnaW9uOjBiYzBhNGM3YTJhZjRmMzQ4NTJjNmJjNzZiNWUwZjhlXzc2OTY1ODE0MDA1MDM_e6c28d38-b143-4bdd-b39f-3b99dc627670">14</ix:nonFraction>&#160;million of income tax benefit related to the amortization of these non-depreciation related net excess deferred tax liabilities as of March 31, 2020, with these non-depreciation related net excess deferred tax liabilities being fully amortized as of March 31, 2020. On October 29, 2019, the ACC approved the Company&#8217;s proposal to amortize depreciation related net excess deferred tax liabilities subject to its jurisdiction over a <ix:nonNumeric contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" format="ixt-sec:duryear" name="us-gaap:RegulatoryLiabilityAmortizationPeriod" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTUvZnJhZzowYmMwYTRjN2EyYWY0ZjM0ODUyYzZiYzc2YjVlMGY4ZS90ZXh0cmVnaW9uOjBiYzBhNGM3YTJhZjRmMzQ4NTJjNmJjNzZiNWUwZjhlXzEzMDU_30619f46-f04b-4c7a-a5a9-ade9dfbe37e3">28.5</ix:nonNumeric>-year period with amortization to retroactively begin as of January 1, 2018.  The Company recorded $<ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxReconciliationDeductionsOther" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTUvZnJhZzowYmMwYTRjN2EyYWY0ZjM0ODUyYzZiYzc2YjVlMGY4ZS90ZXh0cmVnaW9uOjBiYzBhNGM3YTJhZjRmMzQ4NTJjNmJjNzZiNWUwZjhlXzc2OTY1ODE0MDA1MTY_b760a017-f698-4ba9-ab00-437a1b3a1437">6</ix:nonFraction>&#160;million and $<ix:nonFraction unitRef="usd" contextRef="ib43a74b6cafd42dea0c0e63e9b080c8e_D20200101-20200331" decimals="-6" format="ixt:numdotdecimal" name="us-gaap:IncomeTaxReconciliationDeductionsOther" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTUvZnJhZzowYmMwYTRjN2EyYWY0ZjM0ODUyYzZiYzc2YjVlMGY4ZS90ZXh0cmVnaW9uOjBiYzBhNGM3YTJhZjRmMzQ4NTJjNmJjNzZiNWUwZjhlXzc2OTY1ODE0MDA1Mjg_d05ab365-249e-4ffb-b517-aa3af05c3416">6</ix:nonFraction>&#160;million of income tax benefit related to amortization of these depreciation related net excess deferred tax liabilities as of March 31, 2021 and March 31, 2020, respectively.  See Note 4 for more details.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Net income associated with the Palo Verde sale leaseback VIEs is not subject to tax.&#160; As a result, there is <ix:nonFraction unitRef="usd" contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331" decimals="-6" format="ixt-sec:numwordsen" name="pnw:IncomeTaxExpenseBenefitAttributableToNonControllingInterests" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMTUvZnJhZzowYmMwYTRjN2EyYWY0ZjM0ODUyYzZiYzc2YjVlMGY4ZS90ZXh0cmVnaW9uOjBiYzBhNGM3YTJhZjRmMzQ4NTJjNmJjNzZiNWUwZjhlXzc2OTY1ODEzOTgwNTY_b9e620df-bb26-4aef-8de9-91f0edfe6bc4">no</ix:nonFraction> income tax expense associated with the VIEs recorded on the Pinnacle West Consolidated and APS Consolidated Statements of Income.  See Note 6 for additional details related to the Palo Verde sale leaseback VIEs.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As of the balance sheet date, the tax year ended December&#160;31, 2017 and all subsequent tax years remain subject to examination by the IRS.&#160; With a few exceptions, the Company is no longer subject to state income tax examinations by tax authorities for years before 2016.</span></div></ix:continuation><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">65</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_124"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">ITEM 2.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:700;line-height:120%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">MANAGEMENT&#8217;S DISCUSSION AND ANALYSIS OF FINANCIAL</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CONDITION AND RESULTS OF OPERATIONS</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">INTRODUCTION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following discussion should be read in conjunction with Pinnacle West&#8217;s Condensed Consolidated Financial Statements and APS&#8217;s Condensed Consolidated Financial Statements and the related Combined Notes that appear in Item 1 of this report.&#160; For information on factors that may cause our actual future results to differ from those we currently seek or anticipate, see &#8220;Forward-Looking Statements&#8221; at the front of this report and &#8220;Risk Factors&#8221; in Part&#160;1,&#160;Item 1A of the 2020 Form&#160;10-K, and Part II, Item 1A of this report.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div id="i915584189a384ebfbd2458228b914629_127"></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">OVERVIEW</span></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Business Overview</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West is an investor-owned electric utility holding company based in Phoenix, Arizona with consolidated assets of about $20 billion.  For over 130 years, Pinnacle West and our affiliates have provided energy and energy-related products to people and businesses throughout Arizona. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West derives essentially all of our revenues and earnings from our principal subsidiary, APS.  APS is Arizona&#8217;s largest and longest-serving electric company that generates safe, affordable and reliable electricity for approximately 1.3 million retail customers in 11 of Arizona&#8217;s 15 counties.  APS is also the operator and co-owner of Palo Verde &#8212; a primary source of electricity for the southwest United States and the largest nuclear power plant in the United States.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">COVID-19 Pandemic</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The&#160;COVID-19&#160;pandemic&#160;continues to be&#160;an evolving&#160;situation.  The Company is operating under long-standing pandemic and business continuity plans that exist to address situations including pandemics like COVID-19.  We are focused on ensuring the health and safety of our employees, contractors and the general public by helping limit the spread of this virus and ensuring continued, safe and reliable electric service for APS customers.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have identified business-critical positions in our operations and support organizations, with backup personnel ready to assist if an issue were to arise.  Additionally, efforts to ensure the health and safety of our employees have resulted in bifurcated control rooms, thus reducing the number of employees in mission-critical locations.  We also established COVID-19 safety protocols, social distancing practices including limiting one employee per vehicle and offering virtual options whenever possible.  The Company also took rapid action to implement an all Company COVID-19 hotline, a focused COVID-19 team, and procured on-site COVID-19 testing at key facilities early in the pandemic.  Through this testing, case management and contact tracing, the Company has been able to significantly limit COVID-19 transmission in the workplace.  As a result of these efforts, we have been able to maintain the continuity of the essential services that we provide to our customers, while also managing the spread of the virus and promoting the health, physical and mental well-being and safety of our employees, customers and communities.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Essential planned work and capital investments are continuing during the pandemic with priority to support fire mitigation and summer preparedness.  APS has continuous discussions with suppliers on manpower and supply issues pertaining to COVID-19 and has measures in place to continue to monitor resource needs and supply chain adequacy.  At this time, APS does not believe it has any material supply chain risks due to COVID-19 that would impact its ability to serve customers&#8217; needs. </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">66</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Company&#8217;s operations and maintenance expenses, exclusive of bad debt expense, increased by approximately $3 million for the period ended March 31, 2021 due to costs for personal protective equipment and other health and safety-related costs related to COVID-19. &#160;We expect the Company&#8217;s operation and maintenance expenses will continue to be impacted for 2021 by the need for additional personal protective equipment and other health and safety-related costs related to COVID-19.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">While the total expected impact of COVID-19 on future sales is currently unknown, APS has experienced higher electric residential sales and lower electric commercial and industrial sales since the outset of the pandemic.  APS expects sales trends to normalize somewhat in 2021 as business activity continues to recover and more people return to work.  Based on past experience, a 1% variation in our annual kWh sales projections under normal business conditions can result in increases or decreases in annual net income of approximately $20 million.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Coronavirus Aid, Relief, and Economic Security (CARES) Act allows employers to defer payments of the employer share of Social Security payroll taxes that would have otherwise been owed from March 27, 2020 through December 31, 2020.  We deferred the cash payment of the employer&#8217;s portion of Social Security payroll taxes for the period July 1, 2020 through December 31, 2020 that was approximately $18 million.  We will pay half of this cash deferral by December 31, 2021 and the remainder by December 31, 2022.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 30, 2020, FERC issued an order granting a waiver request related to the existing AFUDC rate calculation beginning March 1, 2020 through February 28, 2021.&#160; On February 23, 2021, this waiver was extended until September 30, 2021.  The order provides a simplified approach that companies may elect to implement in order to minimize the significant distorted effect on the AFUDC formula resulting from increased short-term debt financing during the COVID-19 pandemic.&#160; APS has adopted this simplified approach to computing the AFUDC composite rate by using a simple average of the actual historical short-term debt balances for 2019, instead of current period short-term debt balances, and has left all other aspects of the AFUDC formula composite rate calculation unchanged.  This change impacts the AFUDC composite rate in both 2020 and 2021, but does not impact prior years. &#160;Furthermore, the change in the composite rate calculation does not impact our accounting treatment for these costs.  The change did not have a material impact on our financial statements. See Note 1. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Due to the COVID-19 pandemic, APS voluntarily suspended disconnections of customers for nonpayment and waived late payment fees beginning March 13, 2020 until December 31, 2020.  The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and customers were automatically placed on eight-month payment arrangements if they had past due balances at the end of the disconnection period of $75 or greater.  APS will continue to waive late payment fees until October 15, 2021.  APS has experienced and is continuing to experience an increase in bad debt expense associated with the COVID-19 pandemic, the Summer Disconnection Moratorium and the related write-offs of customer delinquent accounts.  APS currently estimates that the Summer Disconnection Moratorium, the suspension of disconnections during the COVID-19 pandemic and the increased bad debt expense associated with this will result in a negative impact to its 2021 operating results of approximately $20 million to $30 million&#160;pre-tax above the impact of disconnections on its operating results for years that did not have the Summer Disconnection Moratorium or COVID-19 pandemic.  These estimated impact amounts for 2021 depend on certain current assumptions, including, but not limited to, customer behaviors, population and employment growth, and the impacts of COVID-19 on the economy. See Note 4.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 17, 2020, APS filed an application with the ACC requesting a COVID-19 emergency relief package to provide additional assistance to its customers.  On May 5, 2020, the ACC approved APS returning $36 million that had been collected through the DSM Adjustor Charge, but not allocated for current DSM </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">67</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">programs, directly to customers through a bill credit in June 2020 (see Note 4).  APS has refunded approximately $43 million to customers.  The additional $7 million over the approved amount of $36 million was the result of the kWh credit being based on historic consumption, which was different than actual consumption in the refund period.  This difference was recorded to the DSM balancing account and will be addressed in subsequent DSM filings.  Additionally, due to COVID-19, APS delayed the reset of the EIS adjustor and suspended the discontinuation of TEAM Phase II to the first billing cycle in May 2020 rather than April 2020.  In February 2021, APS delayed the annual reset of the PSA. Rather than the increase being effective February 2021, the PSA reset will be implemented with 50% of the increase effective April 2021 and the remaining 50% increase effective November 2021. </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">S</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">ee Note 4.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">In 2020, APS spent more than $15&#160;million to assist customers and local non-profits and community organizations to help with the impact of the COVID-19 pandemic, with $12.4&#160;million of these dollars directly committed to bill assistance programs (the &#8220;COVID Customer Support Fund&#8221;).  The COVID Customer Support Fund was comprised of a series of voluntary commitments of funds that are not recoverable through rates throughout 2020 of approximately $8.8&#160;million. An additional $3.6&#160;million in bill credits for limited income customers was ordered by the ACC in December 2020 of which 50%, up to a maximum of  $2.5&#160;million, was committed to be funds that are not recoverable through rates with the remaining being deferred for potential future recovery in rates.  Included in the COVID Customer Support Fund were programs that assisted customers that had a delinquency of two or more months with a one-time credit of $100, an expanded credit of $300 for limited income customers, programs to assist extra small and small non-residential customers with a one-time credit of $1,000, and other targeted programs allocated to assist with other COVID-19 needs in support of utility bill assistance.  The December 2020 ACC order further assisted delinquent limited income customers with an additional bill credit of up to $250 or their delinquent balance, whichever was less.  APS has distributed all funds for all COVID Customer Support Fund programs combined.  Beyond the COVID Customer Support Fund, APS has also provided $2.7&#160;million to assist local non-profits and community organizations working to mitigate the impacts of the COVID-19 pandemic.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">More detailed discussion of the impacts and future uncertainties related to the COVID&#8209;19 pandemic can be found throughout this Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations and the Combined Notes to Pinnacle West&#8217;s and APS&#8217;s financial statements that appear in Item 1 of this report.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Strategic Overview </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our strategy is to deliver shareholder value by creating a sustainable energy future for Arizona by serving our customers with clean, reliable and affordable energy.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Clean Energy Commitment</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We are committed to doing our part to make the future clean and carbon-free. Our vision for APS and Arizona presents an opportunity to engage with customers, communities, employees, policymakers, shareholders and others to achieve a shared, sustainable vision for Arizona.  This goal is based on sound science and supports continued growth and economic development while maintaining reliability and affordable prices for APS&#8217;s customers.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s new clean energy goals consist of three parts: </span></div><div style="padding-left:36pt;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:18.48pt">A 2050 goal to provide 100% clean, carbon-free electricity;</span></div><div style="padding-left:72pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:18.48pt">A 2030 target of achieving a resource mix that is 65% clean energy, with 45% of the generation portfolio coming from renewable energy; and</span></div><div style="padding-left:36pt;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:18.48pt">A commitment to end APS&#8217;s use of coal-fired generation by 2031.</span></div><div style="text-indent:31.5pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">68</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:31.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s ability to successfully execute its clean energy commitment is dependent upon a number of important external factors, some of which include a supportive regulatory environment, sales and customer growth, development of clean energy technologies and continued access to capital markets.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">2050 Goal: 100% Clean, Carbon-Free Electricity.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Achieving a fully clean, carbon-free energy mix by 2050 is our aspiration.  The 2050 goal will involve new thinking and depends on improved and new technologies.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">2030 Goal: 65% Clean Energy.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has an energy mix that is already 50% clean with existing plans to add more renewables and energy storage before 2025.  By building on those plans, APS intends to attain an energy mix that is 65% clean by 2030, with 45% of APS&#8217;s generation portfolio coming from renewable energy. &#8220;Clean&#8221; is measured as percent of energy mix which includes all carbon-free resources like nuclear and demand-side management, and &#8220;renewable&#8221; is expressed as a percent of retail sales.  This target will serve as a checkpoint for our resource planning, investment strategy, and customer affordability efforts as APS moves toward 100% clean, carbon-free energy mix by 2050.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">2031 Goal: End APS&#8217;s Use of Coal-Fired Generation.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our commitment to end APS&#8217;s use of coal-fired generation by 2031 will require APS to cease use of coal-generation at Four Corners.  APS has permanently retired more than 1,000 MW of coal-fired electric generating capacity.  These closures and other measures taken by APS have resulted in a total reduction of carbon emissions of 33% since 2005.  In addition, APS has committed to end the use of coal at its remaining Cholla units by 2025.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">APS understands that the transition away from coal-fired power plants toward a clean energy future will pose unique economic challenges for the communities around these plants.  We worked collaboratively with stakeholders and leaders of the Navajo Nation to consider the impacts of ceasing operation of APS coal-fired power plants on the communities surrounding those facilities to propose a comprehensive Coal Community Transition (&#8220;CCT&#8221;) plan. The proposed framework provides substantial financial and economic development support to build new economic opportunities and addresses a transition strategy for plant employees. We are committed to continuing our long-running partnership with the Navajo Nation in other areas as well, including expanding electrification and developing tribal renewable projects.  Our proposed CCT plan supports the Navajo Nation, where the Four Corners Power Plant is located, the communities surrounding the Cholla Power Plant and the Hopi Tribe, which is impacted by closure of the Navajo Plant. The CCT plan is currently pending ACC approval.  See Note 4 for a discussion of the CCT plan.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">In March 2021, APS announced that it had agreed on the terms of an agreement among the owners of  Four Corners to operate Four Corners seasonally beginning in Fall 2023, subject to the necessary approvals.  Under seasonal operation, APS is planning that one of Four Corners&#8217; two remaining units will operate only throughout the summer season of June through October when customers&#8217; energy needs are the highest across the region.  APS believes that operating Four Corners seasonally will bring environmental benefits and ensure continued service reliability for its customers, especially during Arizona&#8217;s hot summer months, as APS transitions to ceasing to use coal-fired generation by 2031.  By moving to seasonal operations, Four Corners will become a more flexible resource that supports increasing amounts of clean energy, helping to compensate for the intermittent output of renewable resources. This change also helps ensure reliability of a critical energy source while reducing operations and maintenance costs.  APS estimates that the shift to seasonal operations will reduce annual carbon emissions at Four Corners by an estimated 20-25%, as compared to current conditions.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">Renewables.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> APS intends to strengthen its already diverse energy mix by increasing its investments in carbon-free resources. Its near-term actions include competitive solicitations to procure clean energy resources such as solar, wind, energy storage, demand response and DSM resources, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">all of which lead to a cleaner grid</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">69</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has a diverse portfolio of existing and planned renewable resources, including solar, wind, geothermal, biomass and biogas.  APS&#8217;s clean energy strategy includes executing purchased power contracts for new facilities, ongoing development of distributed energy resources and procurement of new facilities to be owned by APS.  The following table summarizes the resources in APS&#8217;s renewable energy portfolio that are in operation and under development as of March 31, 2021.  Agreements for the development and completion of future resources are subject to various conditions, including successful siting, permitting and interconnection of the projects to the electric grid. </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.976%"><tr><td style="width:1.0%"></td><td style="width:33.907%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:29.032%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.538%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:29.032%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.891%"></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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Net&#160;Capacity&#160;in&#160;Operation<br/>(MW)</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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Net&#160;Capacity&#160;Planned&#160;/&#160;Under<br/>Development&#160;(MW)</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total APS Owned: Solar</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">246&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Purchased Power Agreements:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Solar</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">310&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">160&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Wind (a)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">289&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">110&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Geothermal</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">10&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Biomass</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">14&#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:'Times New Roman',sans-serif;font-size:11.5pt;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="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Biogas </span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total Purchased Power Agreements</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">626&#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;border-top:1pt solid #000000;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">270&#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;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total Distributed Energy: Solar (b)&#160;</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,122&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">45&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(c)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total Renewable Portfolio</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,994&#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 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">315&#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></tr></table></div><div style="padding-left:58.5pt;text-indent:-22.5pt"><span><br/></span></div><div style="padding-left:58.5pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:115%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"> Includes 90 MW wind power purchase agreement that is currently in operation that will be decommissioned in 2021 and rebuilt in the same year, together with an additional 110 MW, for a total of 200 MW, as a result of a power purchase agreement executed in September 2020.</span></div><div style="padding-left:58.5pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Includes rooftop solar facilities owned by third parties.  Distributed generation is produced in Direct Current and is converted to Alternating Current for reporting purposes.</span></div><div style="padding-left:58.5pt;text-indent:-22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Applications received by APS that are not yet installed and online.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">In September 2019, APS issued a RFP that requested up to 250 MW of wind resources to be in service as soon as possible, but no later than 2022.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:115%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">As a result of this RFP, APS executed a 200 MW power purchase agreement for a wind resource that is expected to be in service in the fourth quarter of 2021. Also in September 2019, APS issued a RFP that sought competitive proposals for up to 150 MW of APS-owned solar resources, designed with the flexibility to add energy storage as a future option. Negotiations pursuant to this RFP were terminated in March 2021.  In December 2020, APS issued two additional RFPs: one to acquire both renewable energy and additional peaking capacity resources, and the other to install more battery energy storage at two existing APS solar plants.  In April 2021, the RFPs that were issued in December 2020 were expanded to seek development of a solar generating resource to be sited on APS land and owned by APS.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">Palo Verde</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">. Palo Verde, the nation&#8217;s largest carbon-free, clean energy resource, will continue to be a foundational part of APS&#8217;s resource portfolio.  The plant currently supplies nearly 70% of our clean energy and provides the foundation for the reliable and affordable service for APS customers.  Palo Verde is not just the cornerstone of our current clean energy mix, it also is a significant provider of clean energy to the southwest United States.  The plant is a critical asset to the Southwest, generating more than 32 million megawatt-hours annually &#8211; enough power for more than 4 million people.  Its continued operation is important to a carbon-free and clean energy future for Arizona and the region, as a reliable, continuous, affordable resource and as a large contributor to the local economy.</span></div><div style="text-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">70</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Affordable</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We believe it is APS&#8217;s responsibility to deliver electric services to customers in the most cost-effective manner.  Since January 2018 through April 2021, the average residential bill decreased by 6.2%, or $9.28 due to net reductions in cost recovery adjustor mechanisms.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Building upon existing cost management efforts, APS launched a customer affordability initiative in 2019.  The initiative was implemented company-wide to thoughtfully and deliberately assess our business processes and organizational approaches to completing high-value work and internal efficiencies.  Through the initiative and existing cost management practices, in 2020, APS met its goal of $20 million in cost savings.  In 2021, APS continues to drive this initiative to identify opportunities to streamline its business processes and deliver sustainable cost savings. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Participation in the EIM continues to be an effective tool for creating savings for APS&#8217;s customers from the real-time, voluntary market.  APS continues to expect that its participation in EIM will lower its fuel and purchased-power costs, improve visibility and situational awareness for system operations in the Western Interconnection power grid, and improve integration of APS&#8217;s renewable resources.  APS continues to evaluate opportunities that benefit our customers and is in discussions with the EIM operator, California Independent System Operator, Inc. (&#8220;CAISO&#8221;), and other EIM participants about the feasibility of creating a voluntary day-ahead market to achieve more cost savings and use the region&#8217;s renewable resources more efficiently.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Reliable</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">While our energy mix evolves, the obligation to deliver reliable service to our customers remains.  Notwithstanding the challenges presented by the COVID-19 pandemic as well as the hottest summer on record, APS continued to provide reliable service to its customers in 2020, setting a new all-time high peak energy demand of 7,660 MW, exceeding the prior peak set in 2017 by nearly 300 MW and achieved strong reliability results.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Planned investments will support operating and maintaining the grid, updating technology, accommodating customer growth and enabling more renewable energy resources. Our advanced distribution management system allows operators to locate outages, control line devices remotely and helps them coordinate more closely with field crews to safely maintain an increasingly dynamic grid.  The system also integrates a new meter data management system that increases grid visibility and gives customers access to more of their energy usage data. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Wildfire safety remains a critical focus for APS and other utilities. We increased investment in fire mitigation efforts to clear defensible space around our infrastructure, build partnerships with government entities and first responders and educate customers and communities.  These programs contribute to customer reliability, responsible forest management and safe communities.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The new units at our modernized Ocotillo Power Plant provide cleaner-running and more efficient units. They support reliability by responding quickly to the variability of solar generation and delivering energy in the late afternoon and early evening, when solar production declines as the sun sets and customer demand peaks.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In February 2021, Texas experienced extreme cold weather.  Wellheads and gas production infrastructure froze, sharply reducing gas supply at the same time as demand for gas was at a record high due to the frigid weather. As a result, natural gas prices and market electricity prices spiked to historic highs, with gas prices exceeding 100 times the prices seen the preceding weeks.  In addition, APS experienced </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">71</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">interruptions or curtailments with six of our natural gas suppliers due to the weather event in Texas.  These interruptions and curtailments did not impact APS&#8217;s ability to deliver power to its customers.  APS does not believe that the Texas event materially impacted its financial position, results of operations, or cash flows.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In April 2021, the CAISO sought FERC authorization for certain tariff changes intended to try to address risks associated with high heat weather events.  Although APS is generally supportive of some of these changes, others would change the load, export, and wheeling priorities in a way that would unfairly benefit California entities at the expense of non-California entities.  As such, APS intends to formally oppose these changes in front of FERC.  APS cannot predict the outcome of these proceedings.  Nor can PNW or APS predict whether energy shortages, market priorities, and/or price spikes due to extreme weather conditions will have an impact on its financial position, results of operations or cash flows.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s key elements to delivering reliable power include resource planning, sufficient reserve margins, customer partnerships to manage peak demand, fire mitigation, and operational preparedness.  Seasonal readiness procedures at APS also include walkdowns to ensure good material conditions and critical control system surveys.  APS also plans for the unexpected by conducting emergency operations drills and coordinating on fire and emergency management with federal, state, and local agencies.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">  </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Customer-Focused</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Customers are at the core of what APS does every day and its focus remains on its customers and the communities it serves. It is APS&#8217;s goal to achieve an industry-leading best-in-class customer experience. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In 2020, APS adopted a number of changes to improve customer experience. It transitioned to a 24/7 care center operation to better serve its customers around the clock. APS improved its call center performance, answering nearly 75% of its more than 1.5 million telephone calls in 30 seconds or less.  APS  has also made many improvements to its digital experience through its aps.com site, and its overall digital experience continues to improve for its customers.  APS has also implemented a project to redesign and improve its customer bills, completing the customer research portion of this project in the first quarter of 2021.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS also convened a customer advisory board and stakeholder committee in 2020 to serve as a vehicle for gathering valuable qualitative insights, directly from customers and stakeholders, that intends to keep APS apprised of customer needs, wants, and perspectives.  Additionally, the customer advisory board is leveraged to identify and diagnose potential customer pain points and to help shape and co-create customer solutions.  The customer advisory board completed two engagements in the first quarter of 2021, addressing rate plan simplification and bill redesign.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is also providing assistance to residential and business customers that have been impacted by the COVID-19 pandemic. See &#8220;COVID-19 Pandemic&#8221; above for more information about customer support during COVID-19.</span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">72</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Developing Clean Energy Technologies </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Energy Storage</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS deploys a number of advanced technologies on its system, including energy storage. Storage can provide capacity, improve power quality, be utilized for system regulation, integrate renewable generation, and in certain circumstances, be used to defer certain traditional infrastructure investments.  Energy storage can also aid in integrating higher levels of renewables by storing excess energy when system demand is low and renewable production is high and then releasing the stored energy during peak demand hours later in the day and after sunset.  APS is utilizing grid-scale energy storage projects to benefit customers, to increase renewable utilization,&#160;and to further our understanding of how storage works with other advanced technologies and the grid.  We are preparing for additional energy storage in the future.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">In early 2018, APS entered into a 15-year power purchase agreement for a 65 MW solar facility that charges a 50 MW solar-fueled battery. Service under the agreement was scheduled to begin in 2021; however,  APS terminated the agreement, effective February 16, 2021, because project development could not be sufficiently advanced to support the expected in-service date. In 2018, APS issued an RFP for approximately 106 MW of energy storage to be located at up to five of its AZ Sun sites. Based upon its evaluation of the RFP responses, APS decided to expand the initial phase of battery deployment to 141 MW by adding a sixth AZ Sun site. These battery storage facilities are expected to be in service by June 2022. Additionally, in February 2019, APS signed two 20-year PPAs for energy storage totaling 150 MW.  In April 2019, a battery module in APS&#8217;s McMicken battery energy storage facility experienced an equipment failure, which prompted an internal investigation to determine the cause.  APS has now completed its investigation of the McMicken battery incident and is working with all counterparties to ensure that the learnings from the investigation, and the corresponding safety requirements, are incorporated into all battery storage projects going forward, including the projects associated with the two above-referenced PPAs.  These PPAs were also subject to ACC approval in order to allow for cost recovery through the PSA. APS received the requested ACC approval on January 12, 2021, and service under both agreements is expected to begin in 2022.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We currently plan to install at least 850 MW of energy storage by 2025, including the energy storage projects under PPAs and AZ Sun retrofits described above.  The remaining energy storage is expected to be made up of resources solicited through current and future RFPs.  Currently, APS has two RFPs in the market that seek energy storage resources:  (i) a battery storage RFP for projects to be located at the remaining two AZ Sun sites that were not included in the 2018 RFP referenced in the preceding paragraph; and (ii) an &#8216;all source&#8217; RFP that solicits both standalone energy storage and renewable energy plus energy storage resources.  Such resources are expected to be in service during 2023 and 2024. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Electric Vehicles</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is making electric vehicle charging more accessible for its customers and helping Arizona businesses, schools and governments electrify their fleets.  In 2020, APS expanded its Take Charge AZ Pilot Program and installed 84 dual-plug Level 2 charging stations at business customer locations with more stations expected to be added through 2021.  The program provides charging equipment, installation, and maintenance to business customers, government agencies, and multifamily housing communities.  In addition to the Level 2 charging stations, APS will begin construction of direct current fast charging stations that will be owned and operated by APS at five locations in Arizona.  This project is projected to be completed by the end of 2021 with each location including 2-150 kilowatt and 2-350 kilowatt DC fast charging stations.  These stations will be accessible through the Electrify America charging network. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The ACC ordered the state&#8217;s public service corporations, including APS, to develop a long-term, comprehensive Statewide Transportation Electrification Plan (&#8220;TE Plan&#8221;) for Arizona. The TE Plan is intended </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">73</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">to provide a roadmap for Transportation Electrification in Arizona, focused on realizing the associated air quality and economic development benefits for all residents in the state along with understanding the impact of electric vehicle charging on the grid. APS is actively participating in this process, which was submitted in April 2021 to the ACC for review and approval.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Hydrogen Production </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Palo Verde, in partnership with Idaho National Laboratory (&#8220;INL&#8221;) and Energy Harbor Corporation and Xcel Energy Incorporated, has been chosen by the DOE&#8217;s Office of Nuclear Energy to participate in a hydrogen production project with the goal to improve the long-term economic competitiveness of the nuclear power industry.  The multi-phase project is planned for 2020 through 2023.  In the first phase, INL performed a technical and economic assessment of using electricity generated at Palo Verde to produce hydrogen. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Based on the experience from Palo Verde&#8217;s utility partners&#8217; demonstration projects and from the Palo Verde-specific technical and economic assessment performed by INL, PNW Hydrogen LLC, a subsidiary of Pinnacle West, recently submitted a request for funding to the DOE&#8217;s Office of Nuclear Energy to support moving forward with a hydrogen production pilot.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%;text-decoration:underline">Carbon Capture</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Carbon capture technologies can isolate CO2 and either sequester it permanently in geologic formations or convert it for use in products.  Currently, almost all existing fossil fuel generators do not control carbon emissions the way they control emissions of other air pollutants such as sulfur dioxide or oxides of nitrogen. Carbon capture technologies are still in the demonstration phase and while they show promise, they are still being tested in real-world conditions.  These technologies could offer the potential to keep in operation existing generators that otherwise would need to be retired. APS will continue to monitor this emerging technology.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Regulatory Overview</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On October 31, 2019, APS filed an application with the ACC seeking an increase in annual retail base rates of&#160;$69 million.  This amount includes recovery of the deferral and rate base effects of the Four Corners SCR project that is currently the subject of a separate proceeding (see &#8220;SCR Cost Recovery&#8221; in Note 4).  It also reflects a net credit to base rates of approximately $115 million primarily due to the prospective inclusion of rate refunds currently provided through the TEAM.  The proposed total annual revenue increase in APS&#8217;s application is $184 million.  The average annual customer bill impact of APS&#8217;s request is an increase of 5.6%&#160;(the average annual bill impact for a typical APS residential customer is 5.4%).</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The principal provisions of APS&#8217;s application were:</span></div><div><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a test year comprised of twelve months ended June 30, 2019, adjusted as described below;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an original cost rate base of&#160;$8.87 billion, which approximates the ACC-jurisdictional portion of the book value of utility assets, net of accumulated depreciation and other credits;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">the following proposed capital structure and costs of capital:</span></div><div style="margin-bottom:5pt;margin-top:5pt;padding-left:54pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:90.058%"><tr><td style="width:1.0%"></td><td style="width:37.861%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.425%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.309%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:19.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.309%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.244%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.311%"></td><td style="width:0.1%"></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Capital&#160;Structure</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Cost&#160;of&#160;Capital</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td></tr><tr><td colspan="6" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Long-term debt</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">45.3&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td 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Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td></tr></table></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">74</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a&#160;1%&#160;return on the increment of fair value rate base above APS&#8217;s original cost rate base, as provided for by Arizona law;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a Base Fuel Rate of $0.030168 per kWh;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">authorization to defer until APS&#8217;s next general rate case the increase or decrease in its Arizona property taxes attributable to tax rate changes after the date the rate application is adjudicated;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a number of proposed rate and program changes for residential customers, including:</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a super off-peak period during the winter months for APS&#8217;s time-of-use with demand rates;</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">additional $1.25 million in funding for APS&#8217;s limited-income crisis bill program; and</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a flat bill/subscription rate pilot program; </span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">proposed rate design changes for commercial customers, including an experimental program designed to provide access to market pricing for up to 200 MW of medium and large commercial customers;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project (see Note 4 discussion of the 2017 Settlement Agreement); and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">continued recovery of the remaining investment and other costs related to the retirement and closure of the Navajo Plant (see Note 4 for details related to the resulting regulatory asset).</span></div><div style="text-align:center"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On October 2, 2020, the ACC Staff, the Residential Utility Consumer Office (&#8220;RUCO&#8221;) and other intervenors filed their initial written testimony with the ACC in this rate case.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:115%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The ACC Staff recommends, among other things, a (i) $89.7 million revenue increase, (ii) average annual customer bill increase of 2.7%, (iii) return on equity of 9.4%, (iv) a 0.3% or, as an alternative, a 0% return on the increment of fair value rate base greater than original cost, (v)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:115%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">recovery of the deferral and rate base effects of the construction and operating costs of the Four Corners SCR project and (vi) recovery of the rate base effects of the construction and ongoing consideration of the deferral of the Ocotillo modernization project.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:115%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">RUCO recommends, among other things, a (i) $20.8 million revenue decrease, (ii) average annual customer bill decrease of 0.63%, (iii) return on equity of 8.74%, (iv) a 0% return on the increment of fair value rate base, (v)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:115%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">nonrecovery of the deferral and rate base effects of the construction and operating costs of the Four Corners SCR project pending further consideration, and (vi) recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The filed ACC Staff and intervenor testimony include additional recommendations, some of which materially differ from APS&#8217;s filed application. On November 6, 2020, APS filed its rebuttal testimony and the principal provisions which differ from its initial application include, among other things, a (i) $169 million revenue increase, (ii) average annual customer bill increase of 5.14%, (iii) return on equity of 10%, (iv) return on the increment of fair value rate base of 0.8%, (v) new cost recovery adjustor mechanism, the Advanced Energy Mechanism (&#8220;AEM&#8221;), to enable more timely recovery of clean investments as APS pursues its clean energy commitment, (vi) recognition that securitization is a potentially useful financing tool to recover the remaining book value of retiring assets and effectuate a transition to a cleaner energy future that APS intends to pursue, provided legislative hurdles are addressed, and (vii) the CCT plan related to the closure or future closure of coal-fired generation facilities of which $25 million would be funds that are not recoverable through rates with a proposal that the remainder be funded by customers over 10 years.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The CCT plan includes the following proposed components:  (i) $100 million that will be paid over 10 years to the Navajo Nation for a sustainable transition to a post-coal economy, which would be funded by customers, (ii) $1.25 million that will be paid over five years to the Navajo Nation to fund an economic development organization, which would be funds not recoverable through rates, (iii) $10 million to facilitate electrification projects within the Navajo Nation, which would be funded equally by funds not recoverable through rates and by customers, (iv) $2.5 million per year in transmission revenue sharing to be paid to the Navajo Nation beginning after the closure of the Four Corners Power Plant through 2038, which would be funds not recoverable through rates, (v) $12 million that will be paid over five years to the Navajo County Communities surrounding Cholla Power Plant, which would primarily be funded by customers, and (vi) $3.7 </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">75</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">million that will be paid over five years to the Hopi Tribe related to APS&#8217;s ownership interests in the Navajo Generating Station, which would primarily be funded by customers.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 4, 2020, the ACC Staff and intervenors filed surrebuttal testimony.  The ACC Staff reduced its recommended rate increase to $59.8 million, or an average annual customer bill increase of 1.82%.  In RUCO&#8217;s surrebuttal, the recommended revenue decrease changed to $50.1 million, or an average annual customer bill decrease of 1.52%.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The hearing concluded on March 3, 2021 and the post-hearing briefing schedule concluded on April 30, 2021.  In May 2021, the ACC will be discussing whether to re-open the evidentiary record in APS&#8217;s pending rate case to take additional evidence on topics raised by certain ACC Commissioners, including adjustor cost recovery mechanisms.  APS believes that the rate case record is sufficient, and adjustors provide substantial benefits to customers by supporting critical programs and reflecting changes in utility costs that can be promptly passed along to customers. Pending this decision, the next steps in this rate case are that the Administrative Law Judge will issue a Recommended Order and Opinion and then the ACC will review and consider the matter, which is anticipated to be in the third quarter of 2021.  Unfavorable ACC Staff and intervenor positions and recommendations, including modifications or elimination of APS's adjustor cost recovery mechanisms could have a material impact on APS&#8217;s financial statements if ultimately adopted by the ACC.  APS cannot predict the outcome or timing of this proceeding.   </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See Note 4 for information regarding additional regulatory matters.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Arizona Attorney General Matter</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">APS received civil investigative demands from the Office of the Arizona Attorney General, Civil Litigation Division, Consumer Protection &amp; Advocacy Section (&#8220;Attorney General&#8221;) seeking information pertaining to the rate plan comparison tool offered to APS customers and other related issues including implementation of rates from the 2017 Settlement Agreement and its Customer Education and Outreach Plan associated with the 2017 Settlement Agreement.  APS fully cooperated with the Attorney General&#8217;s Office in this matter.   On February 22, 2021 APS entered into a consent agreement with the Attorney General as a way to settle the matter.  The settlement results in APS paying $24.75 million, $24 million of which is being returned to customers as restitution.  While this matter has been resolved with the Attorney General, APS cannot predict whether additional inquiries or actions may be taken by the ACC. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Financial Strength and Flexibility</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West and APS currently have ample borrowing capacity under their respective credit facilities, and may readily access these facilities ensuring adequate liquidity for each company.&#160; Capital expenditures will be funded with internally generated cash and external financings, which may include issuances of long-term debt and Pinnacle West common stock.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">76</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Other Subsidiaries </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Bright Canyon Energy</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July&#160;31, 2014, Pinnacle West announced its creation of a wholly-owned subsidiary, BCE.&#160; BCE&#8217;s strategy is to develop, own, operate and acquire energy infrastructure in a manner that leverages the Company&#8217;s core expertise in the electric energy industry.&#160; In 2014, BCE formed a 50/50 joint venture with BHE U.S. Transmission LLC, a subsidiary of Berkshire Hathaway Energy Company.&#160; The joint venture, named TransCanyon, is pursuing independent electric transmission opportunities within the 11 states that comprise the Western Electricity Coordinating Council, excluding opportunities related to transmission service that would otherwise be provided under the tariffs of the retail service territories of the venture partners&#8217; utility affiliates.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 20, 2019, BCE acquired minority ownership positions in two wind farms under development by Tenaska Energy, Inc. and Tenaska Energy Holdings, LLC, the 242 MW Clear Creek wind farm in Missouri (&#8220;Clear Creek&#8221;) and the 250 MW Nobles 2 wind farm in Minnesota (&#8220;Nobles 2&#8221;). Clear Creek achieved commercial operation in May 2020 and Nobles 2 achieved commercial operation in December 2020. Both wind farms deliver power under long-term power purchase agreements.  BCE indirectly owns 9.9% of Clear Creek and 5.1% of Nobles 2.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">El Dorado</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">El Dorado is a wholly-owned subsidiary of Pinnacle West.  El Dorado owns debt investments and minority interests in several energy-related investments and Arizona community-based ventures.&#160; El Dorado committed to a $25 million investment in the Energy Impact Partners fund, which is an organization that focuses on fostering innovation and supporting the transformation of the utility industry.  The investment will be made by El Dorado as investments are selected by the Energy Impact Partners fund.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Key Financial Drivers</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In addition to the continuing impact of the matters described above, many factors influence our financial results and our future financial outlook, including those listed below.&#160; We closely monitor these factors to plan for the Company&#8217;s current needs, and to adjust our expectations, financial budgets and forecasts appropriately.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Electric Operating Revenues.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; For the years 2018 through 2020, retail electric revenues comprised approximately 95% of our total operating revenues.&#160; Our electric operating revenues are affected by customer growth or decline, variations in weather from period to period, customer mix, average usage per customer and the impacts of energy efficiency programs, distributed energy additions, electricity rates and tariffs, the recovery of PSA deferrals and the operation of other recovery mechanisms.&#160; These revenue transactions are affected by the availability of excess generation or other energy resources and wholesale market conditions, including competition, demand and prices.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Actual and Projected Customer and Sales Growth.  </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Retail customers in APS&#8217;s service territory increased 2.1% for the three-month period ended March 31, 2021 compared with the prior-year period.  For the three years 2018 through 2020, APS&#8217;s customer growth averaged 2.0% per year.  We currently project annual customer growth to be 1.5% to 2.5% for 2021 and for 2021 through 2023 based on our assessment of steady population growth in Arizona.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Retail electricity sales in kWh, adjusted to exclude the effects of weather variations, increased 0.5% for the three-month period ended March 31, 2021 compared with the prior-year period.  While steady customer growth was offset by energy savings driven by customer conservation, energy efficiency, and distributed renewable generation initiatives, the main drivers of positive sales for this period were continued strong residential sales due to work-from-home policies, a gradual improvement in sales to commercial and industrial </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">77</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">customers, and the ramp-up of new data center customers.  Though the total expected impact of COVID-19 on future sales is currently unknown, APS has experienced higher electric residential sales and lower electric commercial and industrial sales since the outset of the pandemic.  APS expects sales trends to normalize somewhat into 2021 as business activity continues to recover and more people return to work.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">For the three years 2018 through 2020, annual retail electricity sales were about flat, adjusted to exclude the effects of weather variations.  We currently project that annual retail electricity sales in kWh will increase in the range of 0.5% to 1.5% for 2021 and increase on average in the range of 1.0% to 2.0% during 2021 through 2023, including the effects of customer conservation, energy efficiency and distributed renewable generation initiatives, but excluding the effects of weather variations and excluding the impacts of several new, large manufacturing facilities opening operations in Metro Phoenix.   The impact of the new, large manufacturing facilities is likely to increase the expected annual sales growth rate as early as 2022, but demand from these customers remains uncertain at this point.  This projected sales growth range also includes our estimated contributions of several large data centers, but not all, and we will continue to estimate contributions and evaluate sales guidance as these customers develop more usage history.  These estimates could be further impacted by slower than expected growth of the Arizona economy, slower than expected ramp-up of the new data centers, or acceleration of the expected effects of customer conservation, energy efficiency, distributed renewable generation initiatives.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Actual sales growth, excluding weather-related variations, may differ from our projections as a result of numerous factors, such as economic conditions, customer growth, usage patterns and energy conservation,  ramp-up of data centers, impacts of energy efficiency programs and growth in distributed generation, and responses to retail price changes.&#160; Based on past experience, a 1% variation in our annual kWh sales projections attributable to such economic factors under normal business conditions can result in increases or decreases in annual net income of approximately $20 million.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Weather.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; In forecasting the retail sales growth numbers provided above, we assume normal weather patterns based on historical data.&#160; Historically, extreme weather variations have resulted in annual variations in net income in excess of $25 million.&#160; However, our experience indicates that the more typical variations from normal weather can result in increases or decreases in annual net income of up to $15 million.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Fuel and Purchased Power Costs.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;Fuel and purchased power costs included on our Condensed Consolidated Statements of Income are impacted by our electricity sales volumes, existing contracts for purchased power and generation fuel, our power plant performance, transmission availability or constraints, prevailing market prices, new generating plants being placed in service in our market areas, changes in our generation resource allocation, our hedging program for managing such costs and PSA deferrals and the related amortization.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Operations and Maintenance Expenses</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Operations and maintenance expenses are impacted by customer and sales growth, power plant operations, maintenance of utility plant (including generation, transmission, and distribution facilities), inflation, unplanned outages, planned outages (typically scheduled in the spring and fall), renewable energy and demand side management related expenses (which are offset by the same amount of operating revenues) and other factors.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Depreciation and Amortization Expenses.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; Depreciation and amortization expenses are impacted by net additions to utility plant and other property (such as new generation, transmission, and distribution facilities), and changes in depreciation and amortization rates.&#160; See &#8220;Liquidity and Capital Resources&#8221; below for information regarding the planned additions to our facilities.</span></div><div style="text-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">78</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Property Taxes.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; Taxes other than income taxes consist primarily of property taxes, which are affected by the value of property in-service and under construction, assessment ratios, and tax rates.&#160; The average property tax rate in Arizona for APS, which owns essentially all of our property, was 10.8% of the assessed value for 2020, 10.9% for 2019 and 11.0% for 2018.  We expect property taxes to increase as we add new generating units and continue with improvements and expansions to our existing generating units and transmission and distribution facilities.&#160;</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Pension and other postretirement non-service credits - net</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; Pension and other postretirement non-service credits can be impacted by changes in our actuarial assumptions.  The most relevant actuarial assumptions are the discount rate used to measure our net periodic costs/credit, the expected long-term rate of return on plan assets used to estimate earnings on invested funds over the long-term, the mortality assumptions and the assumed healthcare cost trend rates.  We review these assumptions on an annual basis and adjust them as necessary. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Interest Expense.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; Interest expense is affected by the amount of debt outstanding and the interest rates on that debt (see Note 3).&#160; The primary factors affecting borrowing levels are expected to be our capital expenditures, long-term debt maturities, equity issuances and internally generated cash flow.&#160; An allowance for borrowed funds used during construction offsets a portion of interest expense while capital projects are under construction.&#160; We stop accruing AFUDC on a project when it is placed in commercial operation.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Income Taxes</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; Income taxes are affected by the amount of pretax book income, income tax rates, certain deductions and non-taxable items, such as AFUDC.&#160; In addition, income taxes may also be affected by the settlement of issues with taxing authorities.  On December 22, 2017, the Tax Act was enacted and was generally effective on January 1, 2018.  Changes impacting the Company include a reduction in the corporate tax rate to 21%, revisions to the rules related to tax bonus depreciation, limitations on interest deductibility and an associated exception for certain public utilities, and requirements that certain excess deferred tax amounts of regulated utilities be normalized.  See Note 14 for details of the impacts on the Company as of March&#160;31, 2021.  In APS&#8217;s 2017 rate case decision, the ACC approved a Tax Expense Adjustor Mechanism which will be used to pass through the income tax effects to retail customers of the Tax Act.  (See Note 4 for details of the TEAM.)</span></div><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_130"></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"> </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">RESULTS OF OPERATIONS</span></div><div style="text-align:center"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West&#8217;s only reportable business segment is our regulated electricity segment, which consists of traditional regulated retail and wholesale electricity businesses (primarily sales supplied under traditional cost-based rate regulation) and related activities and includes electricity generation, transmission and distribution.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Operating Results</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> &#8212; </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Three-month period ended March&#160;31, 2021 compared with three-month period ended March&#160;31, 2020.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our consolidated net income attributable to common shareholders for the three months ended March 31, 2021 was $36 million, compared with consolidated net income attributable to common shareholders of $30 million for the prior-year period.&#160; The results reflect an increase of approximately $6 million for the regulated electricity segment primarily due to higher revenue driven by lower refunds in the current year related to the Tax Act, the effects of weather and higher transmission revenue, higher pension and other postretirement non-service credits, partially offset by higher income taxes, including lower amortization of excess deferred taxes and higher operations and maintenance expense.  &#160; </span></div><div style="text-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">79</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents net income attributable to common shareholders by business segment compared with the prior-year period:</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:59.222%"></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:0.1%"></td><td style="width:0.532%"></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:0.1%"></td><td style="width:0.532%"></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="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Net&#160;Change</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">(dollars&#160;in&#160;millions)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Regulated Electricity Segment:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Operating revenues less fuel and purchased power expenses</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">497&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">472&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(229)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(221)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(8)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(158)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(154)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(4)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Taxes other than income taxes</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(59)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(57)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pension and other postretirement non-service credits - 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">28&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">14&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">14&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">All other income and expenses, net</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">15&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">16&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1)</span></td><td style="background-color:#cceeff;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 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Interest charges, net of allowance for borrowed funds used during construction</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(57)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(55)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Income taxes</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">20&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(16)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Less income related to noncontrolling interests (Note 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(5)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(5)</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:'Times New Roman',sans-serif;font-size:11.5pt;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:#cceeff;padding:2px 1pt 2px 16.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Regulated electricity segment income</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">36&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">30&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">All 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:'Times New Roman',sans-serif;font-size:11.5pt;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="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:'Times New Roman',sans-serif;font-size:11.5pt;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="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:'Times New Roman',sans-serif;font-size:11.5pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net Income Attributable to Common Shareholders</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">36&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">30&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6&#160;</span></td><td style="background-color:#cceeff;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-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Operating revenues less fuel and purchased power expenses.</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; Regulated electricity segment operating revenues less fuel and purchased power expenses were $25 million higher for the three months ended March 31, 2021 compared with the prior-year period.&#160; The following table summarizes the major components of this change:</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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: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 style="width:1.0%"></td><td style="width:15.712%"></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:14.255%"></td><td style="width:0.1%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Increase&#160;(Decrease)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:100%">Operating<br/>revenues</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-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:100%">Fuel&#160;and<br/>purchased<br/>power expenses</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-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Net&#160;change</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="15" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">(dollars&#160;in&#160;millions)</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="background-color:#cceeff;padding:2px 1pt 2px 2.5pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Lower refunds in the current year related to the Tax Act (Note 4)</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">19&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">19&#160;</span></td><td style="background-color:#cceeff;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 2.5pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Effects of 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">5&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Higher transmission revenues (Note 4)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#cceeff;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 2px 14.5pt;text-align:left;text-indent:-13.5pt;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Changes in net fuel and purchased power costs, including off-system sales margins and related deferrals</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6&#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:'Times New Roman',sans-serif;font-size:11.5pt;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><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Miscellaneous items, net</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">34&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">9&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">25&#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-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Operations and maintenance</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.&#160; Operations and maintenance expenses increased $8 million for the three months ended March 31, 2021 compared with the prior-year period primarily because of: </span></div><div style="padding-left:54pt"><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">An increase of $7 million in fossil generation costs primarily due to higher planned outages and higher operating costs; </span></div><div style="padding-left:54pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">80</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="padding-left:54pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">An increase of $6 million related to employee benefits; </span></div><div style="padding-left:54pt"><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">A decrease of $4 million in nuclear generation costs; and</span></div><div style="padding-left:54pt"><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">A decrease of $1 million for other miscellaneous factors.</span></div><div style="padding-left:54pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Depreciation and amortization.  </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Depreciation and amortization expenses were $4 million higher for the three months ended March 31, 2021 compared to the prior-year period primarily due to increased plant in service of $5 million, partially offset by the regulatory deferrals for the Ocotillo modernization project and the Four Corners SCR project of $1 million.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Pension and other postretirement non-service credits, net.</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">  Pension and other postretirement non-service credits, net were $14 million higher for the three months ended March 31, 2021 compared to the prior-year period primarily due to actual market returns exceeding estimated returns in 2020.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Income taxes.</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; Income taxes were $16 million higher for the three months ended March 31, 2021 compared with the prior-year period primarily due to lower amortization of excess deferred taxes and higher pre-tax income, partially offset by a net operating loss carryback benefit that the Company recognized during the first quarter of 2021.</span></div><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_133"></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">LIQUIDITY AND CAPITAL RESOURCES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Overview</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West&#8217;s primary cash needs are for dividends to our shareholders and principal and interest payments on our indebtedness.&#160; The level of our common stock dividends and future dividend growth will be dependent on declaration by our Board of Directors and based on a number of factors, including our financial condition, payout ratio, free cash flow and other factors.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our primary sources of cash are dividends from APS and external debt and equity issuances.&#160; An ACC order requires APS to maintain a common equity ratio of at least 40%.&#160; As defined in the related ACC order, the common equity ratio is defined as total shareholder equity divided by the sum of total shareholder equity and long-term debt, including current maturities of long-term debt.&#160; At March&#160;31, 2021, APS&#8217;s common equity ratio, as defined, was 51%.&#160; Its total shareholder equity was approximately $6.3 billion, and total capitalization was approximately $12.2 billion.&#160; Under this order, APS would be prohibited from paying dividends if such payment would reduce its total shareholder equity below approximately $4.9 billion, assuming APS&#8217;s total capitalization remains the same.&#160; This restriction does not materially affect Pinnacle West&#8217;s ability to meet its ongoing cash needs or ability to pay dividends to shareholders.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s capital requirements consist primarily of capital expenditures and maturities of long-term debt.&#160; APS funds its capital requirements with cash from operations and, to the extent necessary, external debt financing and equity infusions from Pinnacle West.</span></div><div style="text-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">81</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Summary of Cash Flows</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our consolidated change in cash and cash equivalents for the period ended March&#160;31, 2021 compared to December&#160;31, 2020 was a decrease of $43 million.  The change is primarily driven by an increase in cash used for capital expenditures, which is partially offset by cash retained as a result of lower operations and maintenance cost, higher receipts of electric revenues and lower long-term debt repayments.  The following tables present net cash provided by (used for) operating, investing and financing activities (dollars in millions):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;text-decoration:underline">Pinnacle West Consolidated</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"><tr><td style="width:1.0%"></td><td style="width:59.986%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.381%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.381%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.534%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.384%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Net</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Change</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net cash flow provided by operating activities</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">202&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">184&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">18&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net cash flow used for investing activities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(348)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(341)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net cash flow provided by financing activities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">103&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">210&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(107)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net change in cash and cash equivalents</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(43)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(96)</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><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;text-decoration:underline">Arizona Public Service Company</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:60.043%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.363%"></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:11.363%"></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:11.365%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Net</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Change</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net cash flow provided by operating activities</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">203&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">194&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">9&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net cash flow used for investing activities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(352)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(343)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net cash flow provided by financing activities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">106&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">192&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(86)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Net change in cash and cash equivalents</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(43)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">43&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(86)</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 style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Operating Cash Flows</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Three-month period ended March&#160;31, 2021 compared with three-month period ended March&#160;31, 2020.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Pinnacle West&#8217;s consolidated net cash provided by operating activities was $202 million in 2021, compared to $184 million in 2020, an increase of $18 million in net cash provided by operating activities primarily due to $41 million lower payments for operations and maintenance cost, $32 million higher cash receipts from electric revenues, partially offset by $52 million higher fuel and purchased power costs and other changes in working capital.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Retirement plans and other postretirement benefits.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West sponsors a qualified defined benefit pension plan and a non-qualified supplemental excess benefit retirement plan for the employees of Pinnacle West and our subsidiaries.&#160; The requirements of the Employee Retirement Income Security Act of 1974 (&#8220;ERISA&#8221;) require us to contribute a minimum amount to the qualified plan.&#160; We contribute at least the minimum amount required under ERISA regulations, but no more than the maximum tax-deductible amount.&#160; The minimum required funding takes into consideration the value of plan assets and our pension benefit obligations.&#160; Under ERISA, the qualified pension plan was 124% funded as of January&#160;1, 2021 and 117% as of January 1, 2020.&#160; Under GAAP, the qualified pension plan was 104% funded as of January 1, 2021 and 97% funded as of January&#160;1, 2020.  See Note 5 for additional details.  The assets in the plan are comprised of fixed-income, equity, real estate, and short-term investments.&#160; Future year contribution amounts are dependent on plan asset performance and plan actuarial assumptions.&#160; We have not made voluntary contributions to our pension plan in 2021.  The minimum required contributions for the pension plan are zero for the next three years.  We expect to make voluntary contributions up to $100 million in 2021 and zero in 2022 and 2023.  We </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">82</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">do not expect to make any contributions over this pe</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">riod to our other postretirement benefit plans.  </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">W</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">e continue to monitor COVID-19 and its impact on our retirement plans and other postretirement benefits but we believe, due to our liability driven investment strategy, which helps to minimize the impact of market volatility on our plan&#8217;s funded status, our pension plan&#8217;s funded status, as measured for GAAP purposes, is still above 95% funded as of March 31, 2021.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Coronavirus Aid, Relief, and Economic Security (CARES) Act allows employers to defer payments of the employer share of Social Security payroll taxes that would have otherwise been owed from March 27, 2020 through December 31, 2020.  We deferred the cash payment of the employer&#8217;s portion of Social Security payroll taxes for the period July 1, 2020 through December 31, 2020 that was approximately $18 million.  We will pay half of this cash deferral by December 31, 2021 and the remainder by December 31, 2022.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Investing Cash Flows</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Three-month period ended March&#160;31, 2021 compared with three-month period ended March&#160;31, 2020.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Pinnacle West&#8217;s consolidated net cash used for investing activities was $348 million in 2021, compared to $341 million in 2020, an increase of $7 million primarily related to increased capital expenditures.</span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Capital Expenditures.</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; The following table summarizes the estimated capital expenditures for the next three years:</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-align:center"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Capital Expenditures</span></div><div style="text-align:center"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(dollars in millions)&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.415%"><tr><td style="width:1.0%"></td><td style="width:59.047%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.694%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.535%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.694%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.535%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.695%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="15" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Estimated&#160;for&#160;the&#160;Year&#160;Ended<br/>December&#160;31,</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2023</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">APS</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Generation:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Clean:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Nuclear Generation</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">114&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">116&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">125&#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:#cceeff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Renewables and Energy Storage Systems (&#8220;ESS&#8221;) (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">200&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">276&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">281&#160;</span></td><td style="background-color:#cceeff;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 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other Generation (b)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">203&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">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: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">187&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Distribution</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">577&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">556&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">549&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">185&#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:'Times New Roman',sans-serif;font-size:11.5pt;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"></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">179&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other (c)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">221&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">181&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">179&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total APS</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,500&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,500&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,500&#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="padding-left:36pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">APS Solar Communities program, energy storage, renewable projects, and other clean energy projects</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Includes generation environmental projects</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Primarily information systems and facilities projects</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Generation capital expenditures are comprised of various additions and improvements to APS&#8217;s clean resources, including nuclear plants, renewables and ESS.  Generation capital expenditures also include improvements to existing fossil plants.  Examples of the types of projects included in the forecast of generation capital expenditures are additions of renewable and energy storage, and upgrades and capital replacements of various nuclear and fossil power plant equipment, such as turbines, boilers and environmental equipment.&#160; We </span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">83</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">are monitoring the status of environmental matters, which, depending on their final outcome, could require modification to our planned environmental expenditures.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Distribution and transmission capital expenditures are comprised of infrastructure additions and upgrades, capital replacements, and new customer construction.&#160; Examples of the types of projects included in the forecast include power lines, substations, and line extensions to new residential and commercial developments.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Capital expenditures will be funded with internally generated cash and external financings, which may include issuances of long-term debt and Pinnacle West common stock. </span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Financing Cash Flows and Liquidity</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Three-month period ended March&#160;31, 2021 compared with three-month period ended March&#160;31, 2020.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Pinnacle West&#8217;s consolidated net cash provided by financing activities was $103 million in 2021, compared to $210 million in 2020, a decrease of $107 million in net cash provided.&#160; The decrease in net cash provided by financing activities includes a net decrease in short-term borrowing of $403 million, partially offset by $150 million in higher issuances of long-term debt and lower long-term debt repayments of $150 million.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s consolidated net cash provided by financing activities was $106 million in 2021, compared to $192 million in 2020, a decrease of $86 million in net cash provided.&#160; The decrease in net cash provided by financing activities includes a net decrease in short-term borrowing of $231 million, partially offset by lower long-term debt repayments of $150 million.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Significant Financing Activities.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; On April 21, 2021, the Pinnacle West Board of Directors declared a dividend of $0.83 per share of common stock, payable on June 1, 2021 to shareholders of record on May 3, 2021.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Available Credit Facilities</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Pinnacle West and APS maintain committed revolving credit facilities in order to enhance liquidity and provide credit support for their commercial paper programs, to finance indebtedness, and other general corporate purposes.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On May 5, 2020, Pinnacle West refinanced its 364-day $50 million term loan agreement with a new 364-day $31 million term loan agreement that would have matured May 4, 2021.  Borrowings under the agreement bore interest at Eurodollar Rate plus 1.40% per annum.  At March&#160;31, 2021, Pinnacle West had $15 million in outstanding borrowings under the current agreement, all of which was repaid on April 27, 2021.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 23, 2020, Pinnacle West entered into a $150&#160;million term loan facility that matures June 2022.  The proceeds were received on January 4, 2021 and used for general corporate purposes.  We recognized the term loan facility as long-term debt upon settlement on January 4, 2021. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">At March&#160;31, 2021, Pinnacle West had a $200 million revolving credit facility that matures in July 2023. Pinnacle West has the option to increase the amount of the facility up to a maximum of $300 million upon the satisfaction of certain conditions and with the consent of the lenders.&#160;Interest rates are based on Pinnacle West&#8217;s senior unsecured debt credit ratings.  The facility is available to support Pinnacle West&#8217;s $200 million commercial paper program, for bank borrowings or for issuances of letters of credits.  At March&#160;31, 2021, Pinnacle West had no outstanding borrowings under its credit facility, no letters of credit outstanding and $0.3 million of outstanding commercial paper borrowings.</span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">84</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">At March&#160;31, 2021, APS had two revolving credit facilities totaling $1 billion, including a $500 million credit facility that matures in June 2022 and a $500 million facility that matures in July 2023. &#160;APS may increase the amount of each facility up to a maximum of $700 million, for a total of $1.4 billion, upon the satisfaction of certain conditions and with the consent of the lenders.&#160; Interest rates are based on APS&#8217;s senior unsecured debt credit ratings.  These facilities are available to support APS&#8217;s $750 million commercial paper program, for bank borrowings or for issuances of letters of credit.&#160; At March&#160;31, 2021, APS had no outstanding borrowings under its revolving credit facilities, no letters of credit outstanding, and $199.5 million of outstanding commercial paper borrowings. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See &#8220;Financial Assurances&#8221; in Note 8 for a discussion of separate outstanding letters of credit and surety bonds.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Other Financing Matters.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See Note 7 for information related to the change in our margin and collateral accounts.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Debt Provisions</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West&#8217;s and APS&#8217;s debt covenants related to their respective bank financing arrangements include maximum debt to capitalization ratios.&#160; Pinnacle West and APS comply with these covenants.&#160; For both Pinnacle West and APS, these covenants require that the ratio of consolidated debt to total consolidated capitalization not exceed 65%.&#160; At March&#160;31, 2021, the ratio was approximately 54% for Pinnacle West and 49% for APS.&#160; Failure to comply with such covenant levels would result in an event of default which, generally speaking, would require the immediate repayment of the debt subject to the covenants and could &#8220;cross-default&#8221; other debt.&#160; See further discussion of &#8220;cross-default&#8221; provisions below.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Neither Pinnacle West&#8217;s nor APS&#8217;s financing agreements contain &#8220;rating triggers&#8221; that would result in an acceleration of the required interest and principal payments in the event of a rating downgrade.&#160; However, our bank credit agreements contain a pricing grid in which the interest rates we pay for borrowings thereunder are determined by our current credit ratings.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">All of Pinnacle West&#8217;s loan agreements contain &#8220;cross-default&#8221; provisions that would result in defaults and the potential acceleration of payment under these loan agreements if Pinnacle West or APS were to default under certain other material agreements.&#160; All of APS&#8217;s bank agreements contain &#8220;cross-default&#8221; provisions that would result in defaults and the potential acceleration of payment under these bank agreements if APS were to default under certain other material agreements.&#160; Pinnacle West and APS do not have a material adverse change restriction for credit facility borrowings.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 17, 2020, the ACC issued a financing order that, subject to specified parameters and procedures, increased APS&#8217;s long-term debt limit from $5.9 billion to $7.5 billion, and authorized APS&#8217;s short-term debt authorization equal to the sum of (i)&#160;7%&#160;of APS&#8217;s capitalization, and (ii)&#160;$500 million&#160;(which is required to be used for costs relating to purchases of natural gas and power).</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">85</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Credit Ratings</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The ratings of securities of Pinnacle West and APS as of April 28, 2021 are shown below.&#160; We are disclosing these credit ratings to enhance understanding of our cost of short-term and long-term capital and our ability to access the markets for liquidity and long-term debt.&#160; The ratings reflect the respective views of the rating agencies, from which an explanation of the significance of their ratings may be obtained.&#160; There is no assurance that these ratings will continue for any given period of time.&#160; The ratings may be revised or withdrawn entirely by the rating agencies if, in their respective judgments, circumstances so warrant.&#160; Any downward revision or withdrawal may adversely affect the market price of Pinnacle West&#8217;s or APS&#8217;s securities and/or result in an increase in the cost of, or limit access to, capital.&#160; Such revisions may also result in substantial additional cash or other collateral requirements related to certain derivative instruments, insurance policies, natural gas transportation, fuel supply, and other energy-related contracts.&#160; At this time, we believe we have sufficient available liquidity resources to respond to a downward revision to our credit ratings.</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"><tr><td style="width:1.0%"></td><td 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style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Pinnacle West</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 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style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">A-</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">A-</span></td></tr><tr><td colspan="3" 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impacts on our financial statements of consolidating certain VIEs.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Contractual Obligations</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As of March 31, 2021, our fuel and purchased power commitments have increased from the information provided in our 2020 Form 10-K.  The increase is primarily due to new purchased power and energy storage commitments of approximately $550&#160;million.  The majority of the changes relate to 2026 and thereafter.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Other than the item described above, there have been no material changes, as of March 31, 2021, outside the normal course of business in contractual obligations from the information provided in our 2020 Form 10-K.  See Note 3 for discussion regarding changes in our short-term and long-term debt obligations.</span></div><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_136"></div><div style="text-align:center"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">86</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">CRITICAL ACCOUNTING POLICIES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In preparing the financial statements in accordance with GAAP, management must often make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, expenses and related disclosures at the date of the financial statements and during the reporting period.&#160; Some of those judgments can be subjective and complex, and actual results could differ from those estimates.&#160; There have been no changes to our critical accounting policies since our 2020 Form&#160;10-K.&#160; See &#8220;Critical Accounting Policies&#8221; in Item 7 of the 2020 Form&#160;10-K for further details about our critical accounting policies.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_142"></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">MARKET AND CREDIT RISKS</span></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Market Risks</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our operations include managing market risks related to changes in interest rates, commodity prices, investments held by our Nuclear Decommissioning Trusts, other special use funds and benefit plan assets.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Interest Rate and Equity Risk</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have exposure to changing interest rates.&#160; Changing interest rates will affect interest paid on variable-rate debt and the market value of fixed income securities held by our Nuclear Decommissioning Trusts, other special use funds (see Note 11 and Note 12), and benefit plan assets.&#160; The Nuclear Decommissioning Trusts, other special use funds and benefit plan assets also have risks associated with the changing market value of their equity and other non-fixed income investments.&#160; Nuclear decommissioning and benefit plan costs are recovered in regulated electricity prices.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Commodity Price Risk</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We are exposed to the impact of market fluctuations in the commodity price and transportation costs of electricity and natural gas.&#160; Our risk management committee, consisting of officers and key management personnel, oversees company-wide energy risk management activities to ensure compliance with our stated energy risk management policies.&#160; We manage risks associated with these market fluctuations by utilizing various commodity instruments that may qualify as derivatives, including futures, forwards, options and swaps.&#160; As part of our risk management program, we use such instruments to hedge purchases and sales of electricity and natural gas.&#160; The changes in market value of such contracts have a high correlation to price changes in the hedged commodities.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the net pretax changes in mark-to-market of our derivative positions (dollars in millions):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:70.391%"></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:0.1%"></td><td style="width:0.530%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Mark-to-market of net positions at beginning of period</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(13)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(71)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Decrease (Increase) in regulatory asset</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">30&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(14)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Recognized in OCI:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Mark-to-market losses realized during the period</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;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="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:'Times New Roman',sans-serif;font-size:11.5pt;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Change in valuation techniques</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Mark-to-market of net positions at end of period</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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">17&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(85)</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-indent:36pt"><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">87</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The table below shows the fair value of maturities of our derivative contracts (dollars in millions) at March&#160;31, 2021 by maturities and by the type of valuation that is performed to calculate the fair values, classified in their entirety based on the lowest level of input that is significant to the fair value measurement.&#160; See Note 1, &#8220;Derivative Accounting&#8221; and &#8220;Fair Value Measurements&#8221; in Item 8 of our 2020 Form&#160;10-K and Note 11 for more discussion of our valuation methods.</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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: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: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: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: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: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:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.998%"></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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Source&#160;of&#160;Fair&#160;Value</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2023</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2024</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2025</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Total&#160;<br/>Fair&#160;<br/>Value</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Observable prices provided by other external sources</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Prices based on unobservable inputs</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">14&#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:'Times New Roman',sans-serif;font-size:11.5pt;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="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:'Times New Roman',sans-serif;font-size:11.5pt;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="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:'Times New Roman',sans-serif;font-size:11.5pt;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="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:'Times New Roman',sans-serif;font-size:11.5pt;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="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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">14&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total by maturity</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">17&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1)</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">17&#160;</span></td><td style="background-color:#cceeff;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-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The table below shows the impact that hypothetical price movements of 10% would have on the market value of our risk management assets and liabilities included on Pinnacle West&#8217;s Condensed Consolidated Balance Sheets (dollars in millions):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:35.996%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.976%"></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:15.468%"></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:12.976%"></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:14.885%"></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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Gain&#160;(Loss)</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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Gain&#160;(Loss)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Price&#160;Up&#160;10%</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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Price&#160;Down&#160;10%</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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Price&#160;Up&#160;10%</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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Price&#160;Down&#160;10%</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Mark-to-market changes reported in:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Regulatory asset (liability) (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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Electricity</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(6)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(4)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Natural 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">45&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(45)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">49&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(49)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">51&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(51)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(53)</span></td><td style="background-color:#cceeff;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="padding-left:54pt;text-indent:-27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:14.26pt">These contracts are economic hedges of our forecasted purchases of natural gas and electricity.&#160; The impact of these hypothetical price movements would substantially offset the impact that these same price movements would have on the physical exposures being hedged.&#160; To the extent the amounts are eligible for inclusion in the PSA, the amounts are recorded as either a regulatory asset or liability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Credit Risk</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We are exposed to losses in the event of non-performance or non-payment by counterparties.&#160; See Note 7 for a discussion of our credit valuation adjustment policy.</span></div><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_145"></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 3.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See &#8220;Key Financial Drivers&#8221; and &#8220;Market and Credit Risks&#8221; in Item 2 above for a discussion of quantitative and qualitative disclosures about market risks.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">88</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_148"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 4.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; CONTROLS AND PROCEDURES</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Disclosure Controls and Procedures</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The term &#8220;disclosure controls and procedures&#8221; means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;) (15 U.S.C. 78a </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">et seq</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.), is recorded, processed, summarized and reported, within the time periods specified in the SEC&#8217;s rules&#160;and forms.&#160; Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to a company&#8217;s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West&#8217;s management, with the participation of Pinnacle West&#8217;s Chief Executive Officer and Chief Financial Officer, have evaluated the effectiveness of Pinnacle West&#8217;s disclosure controls and procedures as of March&#160;31, 2021.&#160; Based on that evaluation, Pinnacle West&#8217;s Chief Executive Officer and Chief Financial Officer have concluded that, as of that date, Pinnacle West&#8217;s disclosure controls and procedures were effective.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s management, with the participation of APS&#8217;s Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of APS&#8217;s disclosure controls and procedures as of March&#160;31, 2021.&#160; Based on that evaluation, APS&#8217;s Chief Executive Officer and Chief Financial Officer have concluded that, as of that date, APS&#8217;s disclosure controls and procedures were effective.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Changes in Internal Control Over Financial Reporting</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The term &#8220;internal control over financial reporting&#8221; (defined in SEC Rule&#160;13a-15(f)) refers to the process of a company that is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with GAAP.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">No change in Pinnacle West&#8217;s or APS&#8217;s internal control over financial reporting occurred during the fiscal quarter ended March&#160;31, 2021 that materially affected, or is reasonably likely to materially affect, Pinnacle West&#8217;s or APS&#8217;s internal control over financial reporting.</span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">89</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_151"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">PART II </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#8212; </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">OTHER INFORMATION </span></div><div style="text-align:center"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_154"></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 1.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;LEGAL PROCEEDINGS</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See &#8220;Business of Arizona Public Service Company &#8212; Environmental Matters&#8221; in Item 1 of the 2020 Form&#160;10-K with regard to pending or threatened litigation and other matters.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See Note 4 for ACC and FERC-related matters.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See Note 8 for information regarding environmental matters, Superfund-related matters and other disputes.</span></div><div><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_157"></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 1A.&#160;&#160;&#160;&#160;RISK FACTORS</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part&#160;I,&#160;Item 1A &#8212; Risk Factors in the 2020 Form&#160;10-K, which could materially affect the business, financial condition, cash flows or future results of Pinnacle West and APS.&#160; The risks described in the 2020 Form&#160;10-K are not the only risks facing Pinnacle West and APS.&#160; Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect the business, financial condition, cash flows and/or operating results of Pinnacle West and APS.&#160;</span></div><div style="text-indent:36pt"><span><br/></span></div><div id="i915584189a384ebfbd2458228b914629_160"></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 5.&#160;&#160;&#160;&#160;OTHER INFORMATION</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#212529;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">None.</span></div><div><span><br/></span></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">90</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_163"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="-sec-extract:summary"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 6.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:700;line-height:120%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">EXHIBITS</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> Exhibits </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:97.807%"><tr><td style="width:1.0%"></td><td style="width:10.858%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.593%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.790%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.636%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:64.523%"></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:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Exhibit&#160;No.</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Registrant(s)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Description</span></td></tr><tr style="height:6pt"><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:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">10.1</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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Pinnacle West APS</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline" href="exhibit101.htm">Amendment No. 4, dated April 1, 2021, to Facility Lease, dated as of December 15, 1986, between U.S. Bank National Association, successor to State Street Bank and Trust Company, as successor to the First National Bank of Boston, as Lessor, and APS, as Lessee</a></span></div></td></tr><tr style="height:6pt"><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:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">31.1</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Pinnacle West</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline" href="exhibit311-03312021.htm">Certificate of Jeffrey B. Guldner, Chief Executive Officer, pursuant to Rule&#160;13a-14(a)&#160;and Rule&#160;15d-14(a)&#160;of the Securities Exchange Act, as amended</a></span></div></td></tr><tr style="height:6pt"><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:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">31.2</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Pinnacle West</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline" href="exhibit312-03312021.htm">Certificate of Theodore N. Geisler, Chief Financial Officer, pursuant to Rule&#160;13a-14(a)&#160;and Rule&#160;15d-14(a)&#160;of the Securities Exchange Act, as amended</a></span></div></td></tr><tr style="height:6pt"><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:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">31.3</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">APS</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline" href="exhibit313-03312021.htm">Certificate of Jeffrey B. Guldner, Chief Executive Officer, pursuant to Rule&#160;13a-14(a)&#160;and Rule&#160;15d-14(a)&#160;of the Securities Exchange Act, as amended</a></span></div></td></tr><tr style="height:6pt"><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:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">31.4</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">APS</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline" href="exhibit314-03312021.htm">Certificate of Theodore N. Geisler, Chief Financial Officer, pursuant to Rule&#160;13a-14(a)&#160;and Rule&#160;15d-14(a)&#160;of the Securities Exchange Act, as amended</a></span></div></td></tr><tr style="height:6pt"><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:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">32.1*</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Pinnacle West</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline" href="exhibit321-03312021.htm">Certification of Chief Executive Officer and Chief Financial Officer, pursuant to 18 U.S.C. 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style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">92</span></div></div></div><div id="i915584189a384ebfbd2458228b914629_166"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">SIGNATURES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.269%"><tr><td style="width:1.0%"></td><td style="width:6.411%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.751%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.271%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:3.612%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:55.455%"></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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">PINNACLE WEST CAPITAL CORPORATION</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:0 1pt"></td><td colspan="6" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">(Registrant)</span></td></tr><tr style="height:14pt"><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 style="height:14pt"><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:'Times New Roman',sans-serif;font-size:12pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">May 5, 2021</span></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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">By:</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">/s/ Theodore N. Geisler</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: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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Theodore N. Geisler</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Senior Vice President and</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Chief Financial Officer</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">(Principal Financial Officer and</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Officer Duly Authorized to sign this Report)</span></td></tr><tr style="height:14pt"><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 style="height:14pt"><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="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">ARIZONA PUBLIC SERVICE COMPANY</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:0 1pt"></td><td colspan="6" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">(Registrant)</span></td></tr><tr style="height:14pt"><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:0 1pt"></td></tr><tr style="height:14pt"><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:'Times New Roman',sans-serif;font-size:12pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">May 5, 2021</span></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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">By:</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">/s/ Theodore N. Geisler</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: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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Theodore N. Geisler</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Senior Vice President and</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Chief Financial Officer</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">(Principal Financial Officer and</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: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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Officer Duly Authorized to sign this Report)</span></td></tr></table></div><div><span><br/></span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">93</span></div></div></div></body></html>
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<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>exhibit101.htm
<DESCRIPTION>EX-10.1
<TEXT>
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<title>Document</title></head><body><div id="i735acb9dae0d44a7a98557bac15df23e_1"></div><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">When recorded return to&#58;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">_____________________________________________________________________________</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Amendment No. 4</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Dated as of April 1, 2021</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">FACILITY LEASE (Unit 2)</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Dated as of December 15, 1986,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">as heretofore amended,</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">between</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">U.S. BANK NATIONAL ASSOCIATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(successor to State Street Bank and Trust Company, as successor to </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The First National Bank of Boston), not in its individual capacity, </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">but solely as Owner Trustee under a Trust Agreement dated as of December 15, 1986, with ACCESS ENERGY INVESTORS III LLC (assignee of PV2-APS 150 Corporation, assignee of Chase Manhattan Realty Leasing Corporation),</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Lessor</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">and</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">ARIZONA PUBLIC SERVICE COMPANY,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Lessee</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">A 3.3758701% UNDIVIDED INTEREST IN</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">PALO VERDE NUCLEAR GENERATING STATION UNIT 2</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">AND A 1.1252900% UNDIVIDED INTEREST IN </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">CERTAIN COMMON FACILITIES</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">_____________________________________________________________________________</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Original Facility Lease recorded December 19, 1986, as Instrument No. 86-703291&#59; Amendment No. 1 thereto recorded August 14, 1987, as Instrument No. 87-514747&#59; Amendment No. 2 thereto recorded March 22, 1993, as Instrument No. 93-165878&#59; and Amendment No. 3 thereto recorded July 11, 2014, as Instrument No. 20140454939&#59; all in the Maricopa County, Arizona Recorder&#8217;s Office.</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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">1</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;AMENDMENT NO. 4, dated as of April 1, 2021 (this &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Amendment No. 4</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221;) to the Facility Lease dated as of December 15, 1986, as previously amended, between U.S. BANK NATIONAL ASSOCIATION (successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston), not in its individual capacity, but solely as Owner Trustee under a Trust Agreement dated as of December 15, 1986, with ACCESS ENERGY INVESTORS III LLC (assignee of PV2-APS 150 Corporation, assignee of Chase Manhattan Realty Leasing Corporation) (the &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Lessor</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221;), and ARIZONA PUBLIC SERVICE COMPANY, an Arizona corporation (the &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Lessee</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221;).</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">RECITALS</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">A.&#160;&#160;&#160;&#160;The Lessee and the Lessor are parties to a Facility Lease dated as of December 15, 1986, as previously amended (the &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Facility Lease</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221;), providing for the lease by the Lessee of the Undivided Interest and the Real Property Interest (capitalized terms used in this Amendment No. 4 and not otherwise defined herein have the meanings ascribed thereto in Appendix A to the Facility Lease).</font></div><div style="text-align:justify;text-indent:36pt"><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">B.&#160;&#160;&#160;&#160;On or about July 10, 2014, the Lessee and the Lessor entered into Amendment No. 3 to the Facility Lease in connection with the Lessee&#8217;s exercise of its right to renew the Facility Lease for a Fixed Rate Renewal Term ending December 31, 2023. </font></div><div style="text-align:justify;text-indent:36pt"><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">C.&#160;&#160;&#160;&#160;The parties now desire to further amend the Facility Lease to extend the Fixed Rate Renewal Term through December 31, 2033, on the terms and subject to the conditions set forth herein.</font></div><div style="text-align:justify;text-indent:36pt"><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">NOW, THEREFORE, in consideration of the premises and of other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows&#58;</font></div><div style="text-align:justify;text-indent:36pt"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">SECTION 1.  </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Acknowledgement&#59; Amendments</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">.</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;1.1&#160;&#160;&#160;&#160;Pursuant to Amendment No. 3 of the Facility Lease, the parties acknowledged that the Lessee had irrevocably elected to exercise its rights to renew the Facility Lease for the Fixed Rate Renewal Term, and pursuant to such Amendment the &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Maximum Option Period</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221; was amended to mean the period through December 31, 2023.  The parties now wish to further extend the term of the Fixed Rate Renewal Term, and to that end hereby amend and restate in its entirety the definition of &#8220;Maximum Option Period&#8221; in Appendix A to the Facility Lease as follows&#58;</font></div><div><font><br></font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Maximum Option Period&#8221;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> shall mean the period ending at midnight on December 31, 2033.&#8221;</font></div><div><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">1.2&#160;&#160;&#160;&#160;Sections 3(a)(i) through (iii) of the Facility Lease are hereby deleted.</font></div><div style="text-align:justify"><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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">2</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;1.3&#160;&#160;&#160;&#160;Section 3(a)(iv) of the Facility Lease is hereby amended and restated in its entirety as follows&#58;  </font></div><div style="text-align:justify"><font><br></font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(iv)  on June 30, 2021, and on each Basic Rent Payment date thereafter, to and including December 31, 2033, an amount equal to$2,679,400.&#8221; </font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;1.4&#160;&#160;&#160;&#160;Amendment No. 3 to the Facility Lease introduced to the Facility Lease a new &#8220;Schedule 4&#8212;Fixed Rate Renewal Term Casualty Values&#8221;, and a new &#8220;Schedule 5&#8212;Fixed Rate Renewal Term Special Casualty Values.&#8221;  Both such Schedules are hereby deleted, and such Schedules are hereby amended and restated in their entirety with the </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Schedule 4&#8212;Fixed Rate Renewal Term Casualty Values</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> and</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"> Schedule 5&#8212;Fixed Rate Renewal Term Special Casualty Values</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> that are attached to and made a part of this Amendment No. 4 (sometimes referred to herein as &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Restated Schedule 4</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221; and &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Restated Schedule 5</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">,&#8221; respectively).</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">1.5&#160;&#160;&#160;&#160; Subparagraphs (ii) and (iii) of the definition of &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Casualty Value</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221; in Appendix A to the Facility Lease are hereby amended and restated in their entirety as follows&#58;</font></div><div style="text-align:justify"><font><br></font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8220;(ii) during the Fixed Rate Renewal Term, the percentage of Facility Cost  set forth opposite such date in </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Schedule 4&#8212;Fixed Rate Renewal Term Casualty Values</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> to the Facility Lease attached hereto&#59; and</font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font><br></font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(iii) during the Fair Market Renewal Term, shall mean the unamortized portion, as of such Basic Rent Payment Date, of the Fair Market Sales Value of the Undivided Interest, determined by the straight-line amortization of such Fair Market Sales Value at the commencement of the Fair Market Value Renewal Term over the period from such commencement date through the then remaining term of the License, determined pursuant to the Appraisal Procedure, all as set forth in a schedule to be prepared prior to the commencement of such Renewal Term.</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">1.6&#160;&#160;&#160;&#160;Subparagraphs (ii) and (iii) of the definition of &#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Special</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">Casualty Value</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221; in Appendix A to the Facility Lease are hereby amended and restated in their entirety as follows&#58;</font></div><div style="text-align:justify"><font><br></font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(ii) during the Fixed Rate Renewal Term, the percentage of Facility Cost set forth opposite such date in </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Schedule 5&#8212;Fixed Rate Renewal Term Casualty&#47;Special Casualty Values</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> to the Facility Lease attached hereto&#59; and</font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font><br></font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(iii) during the Fair Market Renewal Term, the amount equal to&#58;</font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font><br></font></div><div style="padding-left:108pt;padding-right:31.5pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(A)</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:3.8pt">the present value (declining in semi-annual steps over such Renewal Term and discounted at a rate of 10%) of the remaining Basic Rent payable from time to time in respect of the Undivided Interest for such Renewal Term, </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">plus</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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">3</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="padding-left:144pt;padding-right:36pt;text-align:justify"><font><br></font></div><div style="padding-left:108pt;padding-right:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">(B)</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;padding-left:4.22pt">the present value of the anticipated Fair Market Sales Value of the Undivided Interest as of the last day of such Renewal Term (increasing in semi-annual steps over such Renewal Term and discounted at a rate of 10%),</font></div><div style="padding-left:108pt;padding-right:36pt;text-align:justify"><font><br></font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">all as set forth in a schedule to be prepared prior to the commencement of such Renewal Term.</font></div><div style="padding-left:72pt;padding-right:36pt;text-align:justify"><font><br></font></div><div style="padding-right:4.5pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;1.7 &#160;&#160;&#160;&#160;The Lessee and the Lessor acknowledge and agree that the calculation of the Casualty Values set forth in Restated Schedule 4 attached hereto and the Special Casualty Values set forth in Restated Schedule 5 attached hereto for the Fixed Rate Renewal Term were separately negotiated by the parties as a liquidated amount calculated to reimburse the Lessor for the loss of the Undivided Interest and the Real Property Interest due to the occurrence of an Event of Loss or Deemed Loss Event, as the case may be. The parties further acknowledge and agree that such Casualty Values and Special Casualty Values are not intended to be indicative of any current or future Fair Market Sales Value and shall not be taken into account in determining the Fair Market Sales Value if the Lessee exercises its purchase option pursuant to Section 13(c) of the Facility Lease at the end of the Fixed Rate Renewal Term (as extended by this Amendment No. 4) or the Fair Market Renewal Term.</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;1.8&#160;&#160;&#160;&#160;The Lessee and the Lessor further acknowledge and agree that the amounts set forth in Restated Schedule 4 and Restated Schedule 5 have been agreed to by the parties with each party utilizing certain assumptions ad projections (which may or may not be assumptions and projections used in common by the other party) concerning the Fair Market Sales Value of the Undivided Interest as of the date of this Amendment No. 4.  The parties intend that such assumptions and projections shall not be used for any purpose (including, but without limitation, establishing a Fair Market Sales Value for the Undivided Interest or a Fair Market Sales Value of any property or service, or supporting or rebutting any calculation, determination or position concerning any Fair Market Sale Value, at any time, whether for purposes of option exercise, exercise of remedies, post-lease term operation and support or any other matter or circumstance) other than the specific purposes for which provision is made by this Amendment No. 4.</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">SECTION 2.  </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Miscellaneous</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">.</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;2.1&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Counterpart Execution</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">.  This Amendment No. 4 may be executed in any number of counterparts and by each of the parties hereto on separate counterparts&#59; all such counterparts shall together constitute one and the same instrument.</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;2.2&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Governing Law</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">.  This Amendment No. 4 shall be governed by, and be construed in accordance with, the laws of the State of New York, except to the extent that pursuant to the law of the State of Arizona such law is mandatorily applicable hereto. </font></div><div style="text-align:justify"><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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">4</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;2.3&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Concerning USBNA</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">.  U.S. Bank National Association (&#8220;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%">USBNA</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#8221;) is entering into this Amendment No. 4 solely as successor Owner Trustee under the Trust Agreement and not in its individual capacity.  Anything herein or in the Facility Lease to the contrary notwithstanding, all and each of the representations, warranties, undertakings and agreements herein or in the Facility Lease made on the part of the Owner Trustee are made and intended not as personal representations, warranties, undertakings and agreements by, or for the purpose, or with the intention of binding USBNA personally, but are made and intended for the purpose of binding only the Trust Estate.  This Amendment No. 4 is executed and delivered by the Owner Trustee solely in the exercise of its powers expressly conferred upon it as trustee under the Trust Agreement&#59; and no personal liability or responsibility is assumed hereunder by, or shall at any time be enforceable against, USBNA or any successor in trust or the Owner Participant on account of any representation, warranty, undertaking or agreement of the Owner Trustee hereunder or under the Facility Lease, either express or implied&#59; all such personal liability, if any, being expressly waived by the Lessee, except that the Lessee or any Person claiming by, through or under it, making claim hereunder or under the Facility Lease, may look to the Trust Estate for satisfaction of the same, and the Owner Trustee or its successor in trust, as applicable, shall be personally liable for its own gross negligence or willful misconduct.  If a further successor trustee is appointed in accordance with the terms of the Trust Agreement, such successor owner trustee shall, without further act, succeed to all of the rights, duties, immunities and obligations of the Owner Trustee hereunder, and the predecessor owner trustee shall be released from all further duties and obligations hereunder and under the Facility Lease. </font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;2.4&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Disclosure</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">.  Pursuant to Arizona Revised Statutes Section 33-404, the beneficiary of the Trust is Agreement is Access Energy Investors III LLC, a Delaware limited liability company, the address of which is Access Energy Investors III LLC, c&#47;o Access Leasing Corporation, 220 Juana Avenue, San Leandro, CA  94577, Attention&#58; Charles R.F. Kremer, President.  A copy of the Trust Agreement is available for inspection at the offices of the Owner Trustee at U.S. Bank National Association, Corporate Trust Services, One Federal Street, 3</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:7.8pt;font-weight:400;line-height:120%;position:relative;top:-4.2pt;vertical-align:baseline">rd</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> Floor, Boston, MA 02110, Attention&#58; David J. Ganss and Harry McKinley. </font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;IN WINTESS WHEREOF, each of the parties has caused this Amendment No. 4 to Facility Lease to be duly executed by an officer thereunto duly authorized.</font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:justify"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:400;line-height:120%">&#91;Signature pages follow&#93;</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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">5</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:400;line-height:120%">Signature page for Amendment No. 4 to Facility Lease (Lessor)</font></div><div style="text-align:center"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">U.S. BANK NATIONAL ASSOCIATION (successor to State Street Bank and Trust Company, as successor to The First National Bank of Boston), not in its individual capacity, but solely as Owner Trustee under a Trust Agreement dated as of December 15, 1986, with Access Energy Investors III LLC (assignee of PV2-APS 150 Corporation, assignee of Chase Manhattan Realty Leasing Corporation) </font></div><div style="padding-left:216pt;text-align:justify"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">By&#58; _</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">&#47;s&#47; David J. Ganss</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">_______________________</font></div><div style="padding-left:216pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Name&#58; David J. Ganss</font></div><div style="padding-left:216pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Title&#58; Vice President</font></div><div style="padding-left:216pt;text-align:justify"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">ACKNOWLEDGMENT</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">COMMONWEALTH OF MASSACHUSETTS)</font></div><div><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;       ) SS.</font></div><div><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">COUNTY OF Bristol&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;      )</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;On this 1st day of April, 2021, before me, the undersigned notary public, personally appeared _</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">David J. Ganss</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">___________________ as _</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">_Vice President_____</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">__________ of U.S. Bank National Association, provide to me through satisfactory evidence, which was </font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">License</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">______________________, to be the person whose name is signed on the attached document and acknowledged to me that he signed it voluntarily for its stated purpose.</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Signature of Notary&#58; __</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">&#47;s&#47; Ghulam Ahmed_</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">_________&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Notary Public</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">My Commission Expires&#58;  ___</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">12&#47;2&#47;27</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">________&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Commonwealth of Massachusetts</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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">6</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-style:italic;font-weight:400;line-height:120%">Signature page for Amendment No. 4 to Facility Lease (Lessee)</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">ARIZONA PUBLIC SERVICE COMPANY</font></div><div style="padding-left:216pt;text-align:justify"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font><br></font></div><div style="padding-left:216pt;text-align:justify"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">By&#58; __</font><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">&#47;s&#47; James R. 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#000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Amount in</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Amount in</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Rent Payment Date</font></td><td colspan="3" style="border-left:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Dollars ($)</font></td><td colspan="3" style="border-left:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">% of Facility Cost</font></td><td colspan="3" style="border-left:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Rent Payment Date</font></td><td colspan="3" style="border-left:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Dollars ($)</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">% of Facility Cost</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        60,000,000</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">40.00000%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      53,936,923</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.95795%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        59,631,361</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.75424%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;28</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      53,336,234</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.55749%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;22</font></td><td 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style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;28</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      52,712,554</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.14170%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        58,851,217</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.23414%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;29</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      52,065,005</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.71000%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        58,438,611</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.95907%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;29</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      51,392,673</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.26178%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        58,010,213</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.67348%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;30</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      50,694,608</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.79641%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        57,565,420</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.37695%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;30</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      49,969,827</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.31322%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        57,103,603</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.06907%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;31</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      49,217,306</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.81154%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        56,624,111</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.74941%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;31</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      48,435,985</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.29066%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        56,126,267</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.41751%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;32</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      47,624,760</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.74984%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        55,609,370</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.07291%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;32</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      46,782,487</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.18832%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        55,072,690</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.71513%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;33</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      45,907,978</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.60532%</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;27</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$        54,515,470</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.34365%</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;33</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">$      45,000,000</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.00000%</font></td></tr></table></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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">8</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:right"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">SCHEDULE 5 &#8211; Fixed Rate Renewal Term Special Casualty Values as % of Facility Cost ($150,000,000.00)</font></div><div style="text-align:center"><font><br></font></div><div style="margin-bottom:6pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:16.172%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.051%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.112%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.527%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.324%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.293%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.721%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Rent Payment Date</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Amount in Dollars ($)</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">% of Facility Cost</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Rent Payment Date</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Amount in Dollars ($)</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">% of Facility Cost</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">60,000,000</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">40.00000%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,477,970</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.65198%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">60,391,289</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">40.26086%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,846,291</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.89753%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">60,785,131</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">40.52342%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,217,013</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.14468%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">61,181,540</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">40.78769%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,925,153</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.61677%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">61,580,535</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">41.05369%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,283,347</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.85556%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">61,982,132</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">41.32142%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,643,877</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.09592%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;21</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">59,721,348</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.81423%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,006,758</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.33784%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,445,820</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.29721%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,372,006</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.58134%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,820,453</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.54697%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,739,635</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.82642%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,197,528</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.79835%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,444,662</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.29644%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,577,063</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.05138%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,799,723</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.53315%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,959,073</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.30605%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,157,099</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.77140%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">59,343,574</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.56238%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,516,805</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.01120%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,065,582</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.04372%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,878,857</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.25257%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,437,735</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.29182%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;25</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,243,271</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.49551%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,812,315</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.54154%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,945,061</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.96337%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,189,337</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.79289%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,296,863</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.19791%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,568,818</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.04588%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,650,960</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.43397%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;22</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,950,774</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.30052%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,007,365</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.67158%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,670,221</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.78015%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,366,095</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.91073%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,039,796</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.02653%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,727,165</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.15144%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,411,780</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.27452%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,425,589</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.61706%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,786,191</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.52413%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,774,004</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.84934%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,163,043</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.77536%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,124,690</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.08313%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,542,353</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">39.02824%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,477,664</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.31844%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,259,136</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.50609%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,832,940</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.55529%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,626,029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.75069%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;26</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,190,532</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.79369%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,995,316</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.99688%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,885,457</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.25697%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,367,010</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.24467%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,230,349</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.48690%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,741,128</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.49409%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,577,490</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.71833%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;23</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">58,117,687</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.74512%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,926,895</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.95126%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,831,701</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.22113%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,278,579</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.18572%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;29&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,195,807</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.46387%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,632,556</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.42170%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,562,287</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.70819%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,323,842</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.88256%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,931,158</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.95411%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,665,071</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.11005%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,302,434</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.20162%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,008,526</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.33902%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">57,676,131</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">38.45075%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,354,221</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.56948%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,387,265</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.92484%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,702,170</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.80145%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;24</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">55,748,473</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.16565%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;27</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">54,052,388</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">36.03493%</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;24</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:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">56,112,036</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">37.40802%</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;28</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:center;vertical-align:top"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,739,890</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.49326%</font></td></tr></table></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:right"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Page 1 of 2</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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">9</font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">SCHEDULE 5 &#8211; Fixed Rate Renewal Term Special Casualty Values as % of Facility Cost ($150,000,000.00)</font></div><div style="text-align:center"><font><br></font></div><div style="margin-bottom:6pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:16.172%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.051%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.112%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.527%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.172%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.051%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.115%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Rent Payment Date</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Amount in Dollars ($)</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">% of Facility Cost</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Rent Payment Date</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Amount in Dollars ($)</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">% of Facility Cost</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;29&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,077,311</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.71821%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,025,975</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.01732%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,416,933</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.94462%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,339,176</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.22612%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,758,770</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.17251%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,654,420</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.43628%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,102,836</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.40189%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,971,719</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.64781%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">53,449,145</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.63276%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">49,291,088</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.86073%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,132,713</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.08848%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">46,947,539</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.29836%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,466,175</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.31078%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">47,253,707</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.50247%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,801,811</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.53454%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">47,561,872</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.70791%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,139,636</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.75976%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">47,872,046</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.91470%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,479,664</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.98644%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,184,243</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.12283%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;2028</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,821,910</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">35.21461%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;2031</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,498,476</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.33232%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,501,387</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.66759%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">46,149,759</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.76651%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,830,732</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.88715%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;29&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">46,450,724</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.96715%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,162,224</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.10815%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">46,753,652</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.16910%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,495,878</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.33059%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">47,058,555</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.37237%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,831,708</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.55447%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">47,365,447</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.57696%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">52,169,728</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.77982%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">47,674,341</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.78289%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">49,844,952</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.22997%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">45,320,248</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.21350%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,170,016</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.44668%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">45,615,804</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.41054%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,497,199</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.66480%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">45,913,287</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.60886%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,826,516</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.88434%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">46,212,710</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.80847%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,157,981</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.10532%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">46,514,086</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.00939%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;2029</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">51,491,607</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">34.32774%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">12&#47;30&#47;2032</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">46,817,427</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">31.21162%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">49,162,409</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.77494%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">44,457,747</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29.63850%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">49,483,021</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.98868%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2&#47;28&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">44,747,677</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29.83178%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">49,805,724</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.20382%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">45,039,499</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.02633%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,130,532</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.42035%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">45,333,224</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.22215%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,457,458</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.63831%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">45,628,864</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.41924%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">50,786,516</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">33.85768%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">45,926,432</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">30.61762%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,452,719</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.30181%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">43,560,941</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29.04063%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">48,768,703</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.51247%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">43,845,023</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29.23002%</font></td></tr><tr><td colspan="3" 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style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">44,130,958</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29.42064%</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;2030</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">49,406,867</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">32.93791%</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">44,418,758</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29.61251%</font></td></tr><tr><td colspan="3" 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style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">11&#47;30&#47;2033</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">44,708,434</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">29.80562%</font></td></tr><tr><td colspan="3" 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solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</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:center;vertical-align:bottom"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</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:'Calibri',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></td></tr></table></div><div style="text-align:center"><font><br></font></div><div><font><br></font></div><div style="text-align:right"><font style="color:#000000;font-family:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Page 2 of 2</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:'Calibri',sans-serif;font-size:12pt;font-weight:400;line-height:120%">10</font></div><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>exhibit311-03312021.htm
<DESCRIPTION>EX-31.1
<TEXT>
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<title>Document</title></head><body><div id="ief364ecf182540ac92d7b3b8184ffa06_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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 31.1</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">I, Jeffrey B. Guldner, certify that&#58;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1.&#160;&#160;&#160;&#160;I have reviewed this Quarterly Report on Form&#160;10-Q of Pinnacle West Capital Corporation&#59;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2.&#160;&#160;&#160;&#160;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></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.&#160;&#160;&#160;&#160;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></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4.&#160;&#160;&#160;&#160;The registrant&#8217;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules&#160;13a-15(e)&#160;and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules&#160;13a-15(f)&#160;and 15d-15(f)) for the registrant and have&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:63pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:63pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:63pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">c)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:63pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">d)&#160;&#160;&#160;&#160;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&#59; and</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5.&#160;&#160;&#160;&#160;The registrant&#8217;s other certifying officer 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 the registrant&#8217;s board of directors (or persons performing the equivalent functions)&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:63pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:63pt;text-indent:-27pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Date&#58;&#160;&#160;&#160;&#160;May 5, 2021</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:47.509%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:50.291%"></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:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;s&#47; Jeffrey B. Guldner</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Jeffrey B. Guldner</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Chairman of the Board, President and Chief Executive Officer</font></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 style="text-align:center"><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>exhibit312-03312021.htm
<DESCRIPTION>EX-31.2
<TEXT>
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<title>Document</title></head><body><div id="i5df5f62d8d8b4f52ae11b80766d137b6_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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 31.2</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">I, Theodore N. Geisler, certify that&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1.&#160;&#160;&#160;&#160;I have reviewed this Quarterly Report on Form&#160;10-Q of Pinnacle West Capital Corporation&#59;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.&#160;&#160;&#160;&#160;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></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4.&#160;&#160;&#160;&#160;The registrant&#8217;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules&#160;13a-15(e)&#160;and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules&#160;13a-15(f)&#160;and 15d-15(f)) for the registrant and have&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">c)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">d)&#160;&#160;&#160;&#160;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&#59; and</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The registrant&#8217;s other certifying officer 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 the registrant&#8217;s board of directors (or persons performing the equivalent functions)&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Date&#58;&#160;&#160;&#160;&#160;May 5, 2021</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;s&#47; Theodore N. Geisler</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Theodore N. 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<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>5
<FILENAME>exhibit313-03312021.htm
<DESCRIPTION>EX-31.3
<TEXT>
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<title>Document</title></head><body><div id="ib9dd1c7221ee493ebbff819945597a15_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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 31.3</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">I, Jeffrey B. Guldner, certify that&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1.&#160;&#160;&#160;&#160;I have reviewed this Quarterly Report on Form&#160;10-Q of Arizona Public Service Company&#59;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2.&#160;&#160;&#160;&#160;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></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.&#160;&#160;&#160;&#160;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></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4.</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:3pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The registrant&#8217;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules&#160;13a-15(e)&#160;and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules&#160;13a-15(f)&#160;and 15d-15(f)) for the registrant and have&#58;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">c)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">d)&#160;&#160;&#160;&#160;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&#59; and</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5.&#160;&#160;&#160;&#160;The registrant&#8217;s other certifying officer 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 the registrant&#8217;s board of directors (or persons performing the equivalent functions)&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Date&#58;&#160;&#160;&#160;&#160;May 5, 2021 </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;s&#47; Jeffrey B. Guldner</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Jeffrey B. Guldner</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Chairman of the Board and Chief Executive Officer</font></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 style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1</font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>6
<FILENAME>exhibit314-03312021.htm
<DESCRIPTION>EX-31.4
<TEXT>
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<title>Document</title></head><body><div id="ic41b95f4c9754ac9a62e19c5a46f936e_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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 31.4</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">I, Theodore N. Geisler, certify that&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1.&#160;&#160;&#160;&#160;I have reviewed this Quarterly Report on Form&#160;10-Q of Arizona Public Service Company&#59;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2.&#160;&#160;&#160;&#160;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></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.&#160;&#160;&#160;&#160;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></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4.&#160;&#160;&#160;&#160;The registrant&#8217;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules&#160;13a-15(e)&#160;and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules&#160;13a-15(f)&#160;and 15d-15(f)) for the registrant and have&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">c)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">d)&#160;&#160;&#160;&#160;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&#59; and</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5.&#160;&#160;&#160;&#160;The registrant&#8217;s other certifying officer 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 the registrant&#8217;s board of directors (or persons performing the equivalent functions)&#58;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b)&#160;&#160;&#160;&#160;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></div><div style="text-indent:36pt"><font><br></font></div><div style="text-indent:36pt"><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Date&#58;&#160;&#160;&#160;&#160;May 5, 2021</font></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;s&#47; Theodore N. Geisler</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Theodore N. Geisler</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Senior Vice President and Chief Financial Officer</font></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 style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1</font></div></div></div></body></html>
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<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>7
<FILENAME>exhibit321-03312021.htm
<DESCRIPTION>EX-32.1
<TEXT>
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<title>Document</title></head><body><div id="i621d3312863d43cdaa15fa64d80738cf_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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 32.1</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">OF</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CHIEF EXECUTIVE OFFICER</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">AND</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CHIEF FINANCIAL OFFICER</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">PURSUANT TO 18 U.S.C. 1350,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">AS ADOPTED PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">SECTION&#160;906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">I, Jeffrey B. Guldner, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section&#160;906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form&#160;10-Q of Pinnacle West Capital Corporation for the quarter ended March 31, 2021 fully complies with the requirements of Section&#160;13(a)&#160;or 15(d)&#160;of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form&#160;10-Q fairly presents, in all material respects, the financial condition and results of operations of Pinnacle West Capital Corporation.</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Date&#58;&#160;&#160;&#160;&#160;&#160;May 5, 2021 </font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;s&#47; Jeffrey B. Guldner</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Jeffrey B. Guldner</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Chairman of the Board, President and</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Chief Executive Officer</font></td></tr></table></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">I, Theodore N. Geisler, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section&#160;906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form&#160;10-Q of Pinnacle West Capital Corporation for the quarter ended March 31, 2021 fully complies with the requirements of Section&#160;13(a)&#160;or 15(d)&#160;of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form&#160;10-Q fairly presents, in all material respects, the financial condition and results of operations of Pinnacle West Capital Corporation.</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Date&#58;&#160;&#160;&#160;&#160;&#160;May 5, 2021</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#47;s&#47; Theodore N. Geisler</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Theodore N. Geisler</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Senior Vice President and</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:400;line-height:100%">&#160;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Chief Financial Officer</font></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 style="text-align:center"><font><br></font></div></div></div></body></html>
</TEXT>
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<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>8
<FILENAME>exhibit322-03312021.htm
<DESCRIPTION>EX-32.2
<TEXT>
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<title>Document</title></head><body><div id="i1fdc2cfeff11486899bd50e416f8f518_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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 32.2</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">&#160;</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">OF</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CHIEF EXECUTIVE OFFICER</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">AND</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">CHIEF FINANCIAL OFFICER</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">PURSUANT TO 18 U.S.C. 1350,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">AS ADOPTED PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">SECTION&#160;906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;</font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">I,  Jeffrey B. 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<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>10
<FILENAME>pnw-20210331_cal.xml
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_0f6ce962-4a32-4047-81ca-fbb487efe459_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">Expected voluntary employer contributions in the next fiscal year</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_16f4c707-6871-478b-88c0-0747a203a9ae_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink: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</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink: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 Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_AZSunProgramPhase2Member_a52e4aa0-ac43-4313-88af-7d0719212bf5_terseLabel_en-US" xlink:label="lab_pnw_AZSunProgramPhase2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">AZ Sun Program Phase 2</link:label>
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    <link:label id="lab_pnw_AZSunProgramPhase2Member_documentation_en-US" xlink:label="lab_pnw_AZSunProgramPhase2Member" 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">AZ Sun Program Phase 2 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AZSunProgramPhase2Member" xlink:href="pnw-20210331.xsd#pnw_AZSunProgramPhase2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_AZSunProgramPhase2Member" xlink:to="lab_pnw_AZSunProgramPhase2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NavajoNationEconomicDevelopmentOrganizationMember_27c880c4-5e3e-46d6-8256-b3c8627d02a4_terseLabel_en-US" xlink:label="lab_pnw_NavajoNationEconomicDevelopmentOrganizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Nation, Economic Development Organization</link:label>
    <link:label id="lab_pnw_NavajoNationEconomicDevelopmentOrganizationMember_label_en-US" xlink:label="lab_pnw_NavajoNationEconomicDevelopmentOrganizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Nation, Economic Development Organization [Member]</link:label>
    <link:label id="lab_pnw_NavajoNationEconomicDevelopmentOrganizationMember_documentation_en-US" xlink:label="lab_pnw_NavajoNationEconomicDevelopmentOrganizationMember" 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">Navajo Nation, Economic Development Organization</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NavajoNationEconomicDevelopmentOrganizationMember" xlink:to="lab_pnw_NavajoNationEconomicDevelopmentOrganizationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_d9711079-c26d-4aea-b0da-fc89c57d3261_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink: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 in Nuclear Decommissioning Trusts and Other Special Use Funds</link:label>
    <link:label id="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
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    <link:label id="lab_pnw_CoalSupplyAgreementArbitrationMember_564fbbb5-3b8b-450f-92e5-e796ea1326ea_terseLabel_en-US" xlink:label="lab_pnw_CoalSupplyAgreementArbitrationMember" xlink: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 Supply Agreement Arbitration</link:label>
    <link:label id="lab_pnw_CoalSupplyAgreementArbitrationMember_label_en-US" xlink:label="lab_pnw_CoalSupplyAgreementArbitrationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Coal Supply Agreement Arbitration [Member]</link:label>
    <link:label id="lab_pnw_CoalSupplyAgreementArbitrationMember_documentation_en-US" xlink:label="lab_pnw_CoalSupplyAgreementArbitrationMember" 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">Coal Supply Agreement Arbitration [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CoalSupplyAgreementArbitrationMember" xlink:href="pnw-20210331.xsd#pnw_CoalSupplyAgreementArbitrationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CoalSupplyAgreementArbitrationMember" xlink:to="lab_pnw_CoalSupplyAgreementArbitrationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryAssetsCurrent_d5b0cc46-8dfe-4582-8db7-259266d35f6e_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">Other regulatory assets (Note 4)</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff_067b22e4-f06c-4473-b8e7-b737d6020a33_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff" xlink: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, minimum annual renewable energy standard and tariff</link:label>
    <link:label id="lab_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff_label_en-US" xlink:label="lab_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff" xlink: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, Minimum Annual Renewable Energy Standard and Tariff</link:label>
    <link:label id="lab_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff" 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, Minimum Annual Renewable Energy Standard and Tariff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff" xlink:to="lab_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SundanceMaintenanceMember_0af45c42-328d-4ad2-a8e5-c37eb4f53d26_terseLabel_en-US" xlink:label="lab_pnw_SundanceMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sundance maintenance</link:label>
    <link:label id="lab_pnw_SundanceMaintenanceMember_label_en-US" xlink:label="lab_pnw_SundanceMaintenanceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sundance Maintenance [Member]</link:label>
    <link:label id="lab_pnw_SundanceMaintenanceMember_documentation_en-US" xlink:label="lab_pnw_SundanceMaintenanceMember" 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">Sundance Maintenance [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SundanceMaintenanceMember" xlink:href="pnw-20210331.xsd#pnw_SundanceMaintenanceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SundanceMaintenanceMember" xlink:to="lab_pnw_SundanceMaintenanceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RetailResidentialMember_40c9ab41-e828-40da-917e-044d2bd59112_terseLabel_en-US" xlink:label="lab_pnw_RetailResidentialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Residential</link:label>
    <link:label id="lab_pnw_RetailResidentialMember_label_en-US" xlink:label="lab_pnw_RetailResidentialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retail Residential [Member]</link:label>
    <link:label id="lab_pnw_RetailResidentialMember_documentation_en-US" xlink:label="lab_pnw_RetailResidentialMember" 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">Retail Residential [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RetailResidentialMember" xlink:href="pnw-20210331.xsd#pnw_RetailResidentialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RetailResidentialMember" xlink:to="lab_pnw_RetailResidentialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_a4c14a61-1dca-41ed-a263-2b3319ac5b08_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" 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">INCOME BEFORE INCOME TAXES</link:label>
    <link:label id="lab_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest_label_en-US" xlink:label="lab_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" xlink: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 (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback_14c50c3d-10da-4adf-a796-a7f445b61469_totalLabel_en-US" xlink:label="lab_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback" 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 capitalization</link:label>
    <link:label id="lab_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback_label_en-US" xlink:label="lab_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback" xlink: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 and Long Term Debt Less Current Maturities and Leaseback</link:label>
    <link:label id="lab_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback_documentation_en-US" xlink:label="lab_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback" 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 sum of total shareholder equity and long-term debt, excluding current maturities of long-term debt and leaseback.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback" xlink:to="lab_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeMember_cd40eefa-e9a0-449f-9775-b0d8b92033b7_terseLabel_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_label_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d631ff74-1494-4cbd-ad11-da71b49c1260_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink: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 AND EQUITY</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink: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 [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ConstructionWorkInProgressGross_4abc6302-ec50-4c61-9411-eda62cf0550b_terseLabel_en-US" xlink:label="lab_pnw_ConstructionWorkInProgressGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Construction work in progress</link:label>
    <link:label id="lab_pnw_ConstructionWorkInProgressGross_label_en-US" xlink:label="lab_pnw_ConstructionWorkInProgressGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Construction Work in Progress, Gross</link:label>
    <link:label id="lab_pnw_ConstructionWorkInProgressGross_documentation_en-US" xlink:label="lab_pnw_ConstructionWorkInProgressGross" 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">Construction Work in Progress, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ConstructionWorkInProgressGross" xlink:href="pnw-20210331.xsd#pnw_ConstructionWorkInProgressGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ConstructionWorkInProgressGross" xlink:to="lab_pnw_ConstructionWorkInProgressGross" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_050756ce-66ae-4705-9900-81ec6f84c77a_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment_1ba3c3a2-d8c4-4fad-99df-0ec814f64513_terseLabel_en-US" xlink:label="lab_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment" xlink: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 unrealized gains and losses on certain derivatives deferred for future rate treatment</link:label>
    <link:label id="lab_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment_label_en-US" xlink:label="lab_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment" xlink: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 Unrealized Gains and Losses on Certain Derivatives Deferred for Future Rate Treatment</link:label>
    <link:label id="lab_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment_documentation_en-US" xlink:label="lab_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment" 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 unrealized gains and losses on certain derivatives deferred for future rate treatment pursuant to the PSA mechanism that would otherwise be recognized in income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment" xlink:href="pnw-20210331.xsd#pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment" xlink:to="lab_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_05ea4742-dfb6-46de-9fad-3eeb0005d103_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink: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 long-term debt</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink: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 Issuance of Long-term Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_46849532-1e82-4efe-bc6f-0f677c68ae31_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_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_pnw_BaseFuelRate_caa931a6-fbe3-4a1c-9bee-559f611dc83e_terseLabel_en-US" xlink:label="lab_pnw_BaseFuelRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Base fuel rate (in dollars per kWh)</link:label>
    <link:label id="lab_pnw_BaseFuelRate_label_en-US" xlink:label="lab_pnw_BaseFuelRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Base Fuel Rate</link:label>
    <link:label id="lab_pnw_BaseFuelRate_documentation_en-US" xlink:label="lab_pnw_BaseFuelRate" 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">Base Fuel Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_BaseFuelRate" xlink:href="pnw-20210331.xsd#pnw_BaseFuelRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_BaseFuelRate" xlink:to="lab_pnw_BaseFuelRate" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears_04918f82-95e7-419c-9fe2-9c3069a317a7_terseLabel_en-US" xlink:label="lab_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated future employer contributions in next three years</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears_label_en-US" xlink:label="lab_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears" xlink: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 Plans, Estimated Future Employer Contributions in Next Three Years</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears_documentation_en-US" xlink:label="lab_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears" 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 Plans, Estimated Future Employer Contributions in Next Three Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears" xlink:href="pnw-20210331.xsd#pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears" xlink:to="lab_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsAbstract_01f7c5fb-a3a9-4a2d-9bca-c5f1f3819394_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract" xlink: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</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract" xlink: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 [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="lab_us-gaap_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA_b1d8b25c-20d6-4920-b25b-6cb527d3cbd3_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Remaining percentage increase under PSA effective for first billing cycle beginning November 2021</link:label>
    <link:label id="lab_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA_label_en-US" xlink:label="lab_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" xlink: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 Matters, Remaining Percentage Increase Due Under PSA</link:label>
    <link:label id="lab_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" 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">Regulatory Matters, Remaining Percentage Increase Due Under PSA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" xlink:to="lab_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CostRecoveryNumberOfAgreements_6759ba02-babf-4947-8250-c42ce92e5821_terseLabel_en-US" xlink:label="lab_pnw_CostRecoveryNumberOfAgreements" xlink: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 recovery, number of agreements</link:label>
    <link:label id="lab_pnw_CostRecoveryNumberOfAgreements_label_en-US" xlink:label="lab_pnw_CostRecoveryNumberOfAgreements" xlink: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 Recovery, Number Of Agreements</link:label>
    <link:label id="lab_pnw_CostRecoveryNumberOfAgreements_documentation_en-US" xlink:label="lab_pnw_CostRecoveryNumberOfAgreements" 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">Cost Recovery, Number Of Agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CostRecoveryNumberOfAgreements" xlink:href="pnw-20210331.xsd#pnw_CostRecoveryNumberOfAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CostRecoveryNumberOfAgreements" xlink:to="lab_pnw_CostRecoveryNumberOfAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_93855c9f-f632-4131-ab55-8168215e8b15_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Changes in Accumulated Other Comprehensive Loss</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNoteTextBlock_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNoteTextBlock" xlink: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) Note [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:to="lab_us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet_d8e04128-f6f2-4e6c-8e60-59786d122287_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Palo Verde sale leaseback, net of accumulated depreciation (Note 6)</link:label>
    <link:label id="lab_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet_label_en-US" xlink:label="lab_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet" xlink: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, Sale Leaseback, Net</link:label>
    <link:label id="lab_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet" 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, Property, Plant and Equipment, Sale Leaseback, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet" xlink:to="lab_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization_fa5eb3b5-d915-4797-9915-9d984d20ff01_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization" xlink: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 capitalization</link:label>
    <link:label id="lab_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization_label_en-US" xlink:label="lab_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization" xlink: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 Matters, Long-term Debt, Percentage Of Capitalization</link:label>
    <link:label id="lab_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization" 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">Regulatory Matters, Long-term Debt, Percentage Of Capitalization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization" xlink:to="lab_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_FourCornersUnits4And5Member_d427bfaf-4d6e-44e9-a04f-337c9542a2fc_terseLabel_en-US" xlink:label="lab_pnw_FourCornersUnits4And5Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Four Corners Units 4 and 5</link:label>
    <link:label id="lab_pnw_FourCornersUnits4And5Member_label_en-US" xlink:label="lab_pnw_FourCornersUnits4And5Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Four Corners Units 4 and 5 [Member]</link:label>
    <link:label id="lab_pnw_FourCornersUnits4And5Member_documentation_en-US" xlink:label="lab_pnw_FourCornersUnits4And5Member" 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">Represents Four Corners Units 4 and 5, a jointly-owned generating facility of the entity.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_FourCornersUnits4And5Member" xlink:to="lab_pnw_FourCornersUnits4And5Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_9aa8f2ff-0204-4679-ab60-a03b6849036e_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink: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 unrealized gain, net of tax benefit (expense)</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink: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 Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_TaxExpenseAdjustorMechanismMember_03eb9950-59db-457b-afc0-be6d416ee4ce_terseLabel_en-US" xlink:label="lab_pnw_TaxExpenseAdjustorMechanismMember" xlink: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 expense adjustor mechanism</link:label>
    <link:label id="lab_pnw_TaxExpenseAdjustorMechanismMember_label_en-US" xlink:label="lab_pnw_TaxExpenseAdjustorMechanismMember" xlink: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 Expense Adjustor Mechanism [Member]</link:label>
    <link:label id="lab_pnw_TaxExpenseAdjustorMechanismMember_documentation_en-US" xlink:label="lab_pnw_TaxExpenseAdjustorMechanismMember" 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">Tax Expense Adjustor Mechanism [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_TaxExpenseAdjustorMechanismMember" xlink:href="pnw-20210331.xsd#pnw_TaxExpenseAdjustorMechanismMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_TaxExpenseAdjustorMechanismMember" xlink:to="lab_pnw_TaxExpenseAdjustorMechanismMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TreasuryStockSharesAcquired_ef814d2e-56da-416a-ba2b-07e22646274a_negatedLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired" 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">Purchase of treasury stock (in shares)</link:label>
    <link:label id="lab_us-gaap_TreasuryStockSharesAcquired_label_en-US" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired" xlink: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, Shares, Acquired</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockSharesAcquired" xlink:to="lab_us-gaap_TreasuryStockSharesAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases_ce543968-cff5-4dcd-95f8-9c384ce6cc1f_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases" xlink: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 obligation</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases" xlink: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, Purchases</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_451de07a-a929-4c73-840a-e0ab626636e8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink: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 of assets and liabilities that are measured at fair value on a recurring basis</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink: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 Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NaturalGasTollingLetterOfCreditMember_cae3c2fb-1351-42e6-949d-a14de97b0080_terseLabel_en-US" xlink:label="lab_pnw_NaturalGasTollingLetterOfCreditMember" xlink: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 tolling contract obligations</link:label>
    <link:label id="lab_pnw_NaturalGasTollingLetterOfCreditMember_label_en-US" xlink:label="lab_pnw_NaturalGasTollingLetterOfCreditMember" xlink: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 Tolling Letter of Credit [Member]</link:label>
    <link:label id="lab_pnw_NaturalGasTollingLetterOfCreditMember_documentation_en-US" xlink:label="lab_pnw_NaturalGasTollingLetterOfCreditMember" 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">A document typically issued by a financial institution which acts as a guarantee of payment to a beneficiary, or as the source of payment for a specific transaction to natural gas tolling contract obligations as of the reporting date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NaturalGasTollingLetterOfCreditMember" xlink:href="pnw-20210331.xsd#pnw_NaturalGasTollingLetterOfCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NaturalGasTollingLetterOfCreditMember" xlink:to="lab_pnw_NaturalGasTollingLetterOfCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ChollaandFourCornersMember_e25aae2d-969f-4fb5-a3c8-2fc206e856f7_terseLabel_en-US" xlink:label="lab_pnw_ChollaandFourCornersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cholla and Four Corners</link:label>
    <link:label id="lab_pnw_ChollaandFourCornersMember_label_en-US" xlink:label="lab_pnw_ChollaandFourCornersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cholla and Four Corners [Member]</link:label>
    <link:label id="lab_pnw_ChollaandFourCornersMember_documentation_en-US" xlink:label="lab_pnw_ChollaandFourCornersMember" 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">Cholla and Four Corners [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ChollaandFourCornersMember" xlink:href="pnw-20210331.xsd#pnw_ChollaandFourCornersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ChollaandFourCornersMember" xlink:to="lab_pnw_ChollaandFourCornersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilityNoncurrent_555fcf54-b185-435f-a2ab-020241520913_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityNoncurrent" xlink: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 (Note 4)</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityNoncurrent_a49e21b4-dfa9-43b2-9a87-4a943223c331_verboseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityNoncurrent" 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">Non-Current</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityNoncurrent_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityNoncurrent" xlink: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, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryLiabilityNoncurrent" xlink:to="lab_us-gaap_RegulatoryLiabilityNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses_c183d80e-817e-4374-9f68-8a9084443894_verboseLabel_en-US" xlink:label="lab_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" 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">Increase (decrease) in amount of adjustment representing prorated sales losses</link:label>
    <link:label id="lab_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses_label_en-US" xlink:label="lab_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" xlink: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 Amount of Adjustment Representing Prorated Sales Losses</link:label>
    <link:label id="lab_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses_documentation_en-US" xlink:label="lab_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" 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">Increase (Decrease) in Amount of Adjustment Representing Prorated Sales Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" xlink:href="pnw-20210331.xsd#pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" xlink:to="lab_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_00b1f4b8-567b-4094-a672-652d1bbd4714_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink: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 COMPREHENSIVE INCOME, NET OF TAX</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink: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 Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems_860ed7d3-ef17-45ce-a5d3-1ad5c0c22085_terseLabel_en-US" xlink:label="lab_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Component of Other Income and Other Expense Nonoperating [Line Items]</link:label>
    <link:label id="lab_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems_label_en-US" xlink:label="lab_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Component of Other Income and Other Expense Nonoperating [Line Items]</link:label>
    <link:label id="lab_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems_documentation_en-US" xlink:label="lab_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems" 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">Component of Other Income and Other Expense Nonoperating [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems" xlink:href="pnw-20210331.xsd#pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems" xlink:to="lab_pnw_ComponentofOtherIncomeandOtherExpenseNonoperatingLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_ba07b466-062e-4278-aebd-917d3260e814_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</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_b3f5fa34-0aab-481e-918a-178b58c62864_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_label_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract" xlink:to="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgesAbstract_c405d275-70be-4eca-8c97-9a7cd23e3b09_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink: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:</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgesAbstract_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink: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 Instruments and Hedges, Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember_3e26d76d-b975-481c-87b4-d2210133721c_terseLabel_en-US" xlink:label="lab_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember" xlink: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 Rate Case Filing with Arizona Corporation Commission</link:label>
    <link:label id="lab_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember_label_en-US" xlink:label="lab_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retail Rate Case Filing with Arizona Corporation Commission [Member]</link:label>
    <link:label id="lab_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember_documentation_en-US" xlink:label="lab_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember" 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">Represents a Retail Rate case filing with the Arizona Corporation Commission</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember" xlink:href="pnw-20210331.xsd#pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember" xlink:to="lab_pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_0e3f53b1-4db9-40f6-8cdd-ae279efb8afb_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" 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">Proceeds from the sale of securities</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink: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 Sale of Available-for-sale Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:to="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_7c6003e7-6cc0-4bdb-b3b5-d0f7de9dcb0c_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration risk</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskPercentage1" xlink:to="lab_us-gaap_ConcentrationRiskPercentage1" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock_e75b9572-1259-4161-b667-5c70ce5e7bad_terseLabel_en-US" xlink:label="lab_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock" xlink: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 capital structure and cost of capital</link:label>
    <link:label id="lab_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock_label_en-US" xlink:label="lab_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock" xlink: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 Capital Structure and Cost Of Capital, Regulatory Matter [Table Text Block]</link:label>
    <link:label id="lab_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock_documentation_en-US" xlink:label="lab_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock" 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">Schedule Of Capital Structure and Cost Of Capital, Regulatory Matter [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock" xlink:href="pnw-20210331.xsd#pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock" xlink:to="lab_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock" xlink:type="arc" order="1"/>
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    <link:label id="lab_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent_label_en-US" xlink:label="lab_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" xlink: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 Including Deferred Fuel and Purchased Power Regulatory Asset Current</link:label>
    <link:label id="lab_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent_documentation_en-US" xlink:label="lab_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" 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 for the individual regulatory current asset including deferred fuel and purchased power as itemized in a table of regulatory current assets as of the end of the period.</link:label>
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    <link:label id="lab_pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment_0f5ef1fd-ef26-482c-a08d-2dc3f882f17c_terseLabel_en-US" xlink:label="lab_pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment" xlink: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 limit per incident with respect to maximum retrospective premium assessment</link:label>
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    <link:label id="lab_pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment_documentation_en-US" xlink:label="lab_pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment" 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">Represents the annual limit per incident with respect to the maximum assessment per reactor under the program for each nuclear incident, to be periodically adjusted for inflation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment" xlink:href="pnw-20210331.xsd#pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment"/>
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    <link:label id="lab_us-gaap_StatementTable_1561aeb6-4896-450a-a707-e13b8931c2b4_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable" xlink: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 [Table]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable" xlink:to="lab_us-gaap_StatementTable" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_296a43e1-1141-441e-9487-66bdbaf8b451_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs" 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">Actual write-offs</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_c5c2050e-5470-4d8d-b172-0f95642f06e3_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost" xlink: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 cost on benefit obligation</link:label>
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    <link:label id="lab_srt_RangeAxis_edd7484f-6fa9-4856-a43f-259666c05d11_terseLabel_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
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    <link:label id="lab_pnw_CapitalStructureAbstract_e8b70000-ef12-4d01-9d48-57aaaf739bf1_terseLabel_en-US" xlink:label="lab_pnw_CapitalStructureAbstract" xlink: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&#160;Structure</link:label>
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    <link:label id="lab_dei_EntitySmallBusiness_0937e822-191d-4a02-8401-f09136a33501_terseLabel_en-US" xlink:label="lab_dei_EntitySmallBusiness" xlink: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 Small Business</link:label>
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    <link:label id="lab_pnw_ProductionTaxCreditGuarantees_9718e5b9-da79-475d-bcfb-8c2a6e84b904_terseLabel_en-US" xlink:label="lab_pnw_ProductionTaxCreditGuarantees" xlink: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 tax credit guarantees</link:label>
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    <link:label id="lab_pnw_ProductionTaxCreditGuarantees_documentation_en-US" xlink:label="lab_pnw_ProductionTaxCreditGuarantees" 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">Production Tax Credit Guarantees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ProductionTaxCreditGuarantees" xlink:href="pnw-20210331.xsd#pnw_ProductionTaxCreditGuarantees"/>
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    <link:label id="lab_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement_75b92d8b-5cbe-4085-a5c7-2cda47cf55a4_negatedLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement" 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>
    <link:label id="lab_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement_6a49145e-3746-4a12-aaaa-54a97bd04ef9_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement" xlink: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 collateral received from counterparties</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement" xlink: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 Liability, Not Subject to Master Netting Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement" xlink:to="lab_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMattersIncreaseDecreaseinCostRecovery_974f3a28-4b64-486a-b3c3-7675ac8b6db6_terseLabel_en-US" xlink:label="lab_pnw_RateMattersIncreaseDecreaseinCostRecovery" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (decrease) in annual wholesale transmission rates</link:label>
    <link:label id="lab_pnw_RateMattersIncreaseDecreaseinCostRecovery_label_en-US" xlink:label="lab_pnw_RateMattersIncreaseDecreaseinCostRecovery" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matters, Increase (Decrease) in Cost Recovery</link:label>
    <link:label id="lab_pnw_RateMattersIncreaseDecreaseinCostRecovery_documentation_en-US" xlink:label="lab_pnw_RateMattersIncreaseDecreaseinCostRecovery" 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 Matters, Increase (Decrease) in Cost Recovery</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMattersIncreaseDecreaseinCostRecovery" xlink:href="pnw-20210331.xsd#pnw_RateMattersIncreaseDecreaseinCostRecovery"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMattersIncreaseDecreaseinCostRecovery" xlink:to="lab_pnw_RateMattersIncreaseDecreaseinCostRecovery" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_a52d8139-4228-4791-bee9-385c63b04b33_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink: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 Hierarchy and NAV [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink: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 Hierarchy and NAV [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetRetirementObligationCurrent_61dc75ca-e627-4df5-93fb-e0cbae104005_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationCurrent" 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">Liabilities for asset retirements</link:label>
    <link:label id="lab_us-gaap_AssetRetirementObligationCurrent_label_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationCurrent" xlink: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, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligationCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetRetirementObligationCurrent" xlink:to="lab_us-gaap_AssetRetirementObligationCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_771794e1-3a78-4fe9-9c43-bb15e28c3eae_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
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    <link:label id="lab_pnw_DeferredFuelandPurchasedPowerMember_33e14534-7134-41ee-a494-1c5a263cc2a1_verboseLabel_en-US" xlink:label="lab_pnw_DeferredFuelandPurchasedPowerMember" 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">Deferred fuel and purchased power</link:label>
    <link:label id="lab_pnw_DeferredFuelandPurchasedPowerMember_label_en-US" xlink:label="lab_pnw_DeferredFuelandPurchasedPowerMember" xlink: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 Fuel and Purchased Power [Member]</link:label>
    <link:label id="lab_pnw_DeferredFuelandPurchasedPowerMember_documentation_en-US" xlink:label="lab_pnw_DeferredFuelandPurchasedPowerMember" 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">Deferred Fuel and Purchased Power [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredFuelandPurchasedPowerMember" xlink:href="pnw-20210331.xsd#pnw_DeferredFuelandPurchasedPowerMember"/>
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    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_63bc9d05-62ad-46fa-96bf-d1ee9b567e99_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" 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>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_5b8c44f2-0a24-4211-8c7d-8ab71659f01a_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink: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 effect of dilutive securities:</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink: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 [Abstract]</link:label>
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    <link:label id="lab_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset_34dea7b5-5723-41e6-8c7b-554587c189f4_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" xlink: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 Offset</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" xlink: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 Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" xlink:to="lab_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PercentageOfShareOfCostOfControl_6528b7fc-0a34-42a9-89fb-051ca16b81f9_terseLabel_en-US" xlink:label="lab_pnw_PercentageOfShareOfCostOfControl" xlink: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 share of cost of control</link:label>
    <link:label id="lab_pnw_PercentageOfShareOfCostOfControl_label_en-US" xlink:label="lab_pnw_PercentageOfShareOfCostOfControl" xlink: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 Share of Cost of Control</link:label>
    <link:label id="lab_pnw_PercentageOfShareOfCostOfControl_documentation_en-US" xlink:label="lab_pnw_PercentageOfShareOfCostOfControl" 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">Represents the percentage of share of the cost of control acquired by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PercentageOfShareOfCostOfControl" xlink:href="pnw-20210331.xsd#pnw_PercentageOfShareOfCostOfControl"/>
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    <link:label id="lab_pnw_PowerSupplyAdjustorMember_d3432d10-b60d-47ab-a5be-2f78842a87fc_terseLabel_en-US" xlink:label="lab_pnw_PowerSupplyAdjustorMember" xlink: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 Supply Adjustor (PSA)</link:label>
    <link:label id="lab_pnw_PowerSupplyAdjustorMember_label_en-US" xlink:label="lab_pnw_PowerSupplyAdjustorMember" xlink: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 Supply Adjustor [Member]</link:label>
    <link:label id="lab_pnw_PowerSupplyAdjustorMember_documentation_en-US" xlink:label="lab_pnw_PowerSupplyAdjustorMember" 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">Represents the Power Supply Adjustment Plan which permits a surcharge for variations in retail fuel and purchased power costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PowerSupplyAdjustorMember" xlink:href="pnw-20210331.xsd#pnw_PowerSupplyAdjustorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PowerSupplyAdjustorMember" xlink:to="lab_pnw_PowerSupplyAdjustorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_cd5898a5-bbc8-44d9-99a4-9800dae3f1a0_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" 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">Reclassification of net realized gain, net of tax benefit (expense)</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" xlink: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 Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ActiveUnionMedicalTrustMember_2848a7ed-8dda-44eb-b282-eae08c9c81bc_terseLabel_en-US" xlink:label="lab_pnw_ActiveUnionMedicalTrustMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Active union medical trust</link:label>
    <link:label id="lab_pnw_ActiveUnionMedicalTrustMember_label_en-US" xlink:label="lab_pnw_ActiveUnionMedicalTrustMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Active Union Medical Trust [Member]</link:label>
    <link:label id="lab_pnw_ActiveUnionMedicalTrustMember_documentation_en-US" xlink:label="lab_pnw_ActiveUnionMedicalTrustMember" 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">Active Union Medical Trust [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ActiveUnionMedicalTrustMember" xlink:href="pnw-20210331.xsd#pnw_ActiveUnionMedicalTrustMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ActiveUnionMedicalTrustMember" xlink:to="lab_pnw_ActiveUnionMedicalTrustMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_6684c1c1-8dd6-4f23-bbe9-84ecb0087877_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems" xlink: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 Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems" xlink:to="lab_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d914dac5-0bb1-40d3-943a-d52499543190_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instrument [Domain]</link:label>
    <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instruments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_d9f8ca9f-e807-47b3-af4c-4ef94b552b18_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" 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">Expected return on plan 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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_FairValueByBalanceSheetGroupingTextBlock_f0246249-9324-4348-b1b3-65710e3d193d_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink: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 estimated fair value of long-term debt, including current maturities</link:label>
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink: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, by Balance Sheet Grouping [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:to="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OffsettingAssetsTableTextBlock_32c83447-e88f-4f62-bbf4-4e7cf427128e_terseLabel_en-US" xlink:label="lab_us-gaap_OffsettingAssetsTableTextBlock" xlink: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 offsetting assets</link:label>
    <link:label id="lab_us-gaap_OffsettingAssetsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_OffsettingAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Offsetting Assets [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OffsettingAssetsTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OffsettingAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OffsettingAssetsTableTextBlock" xlink:to="lab_us-gaap_OffsettingAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_452b544d-bcbf-4980-8b78-5a4d6a2eafba_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued capital expenditures</link:label>
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_label_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Expenditures Incurred but Not yet Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:to="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle_1592962e-e20b-4591-9f45-a2cb040e3c1b_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle" xlink: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 increase under PSA effective for first billing cycle beginning April 2021</link:label>
    <link:label id="lab_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle_label_en-US" xlink:label="lab_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle" xlink: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 Matters, Percentage Increase Due Under PSA In First Billing Cycle</link:label>
    <link:label id="lab_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle" 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">Regulatory Matters, Percentage Increase Due Under PSA In First Billing Cycle</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle"/>
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    <link:label id="lab_us-gaap_OtherDeferredCostsNet_a3ba3ef5-973f-468c-a6bb-1ed44061e5bc_terseLabel_en-US" xlink:label="lab_us-gaap_OtherDeferredCostsNet" xlink: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</link:label>
    <link:label id="lab_us-gaap_OtherDeferredCostsNet_label_en-US" xlink:label="lab_us-gaap_OtherDeferredCostsNet" xlink: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 Deferred Costs, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherDeferredCostsNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherDeferredCostsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherDeferredCostsNet" xlink:to="lab_us-gaap_OtherDeferredCostsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers_7eade21f-97f5-48e4-9a26-3037a5562345_terseLabel_en-US" xlink:label="lab_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Period to provide collateral assurance based on rating triggers</link:label>
    <link:label id="lab_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers_label_en-US" xlink:label="lab_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Period to Provide Collateral Assurance Based on Rating Triggers</link:label>
    <link:label id="lab_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers_documentation_en-US" xlink:label="lab_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers" 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">Represents the period to provide collateral assurance based on rating triggers such as a rating downgrade to non-investment grade under NEIL policies (in days).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers" xlink:href="pnw-20210331.xsd#pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers" xlink:to="lab_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_TermLoanMember_ca7ac771-3290-4acc-9916-7308a9cd126a_terseLabel_en-US" xlink:label="lab_pnw_TermLoanMember" xlink: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</link:label>
    <link:label id="lab_pnw_TermLoanMember_label_en-US" xlink:label="lab_pnw_TermLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term Loan [Member]</link:label>
    <link:label id="lab_pnw_TermLoanMember_documentation_en-US" xlink:label="lab_pnw_TermLoanMember" 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">Term Loan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_TermLoanMember" xlink:href="pnw-20210331.xsd#pnw_TermLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_TermLoanMember" xlink:to="lab_pnw_TermLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_58bccd0b-d501-481c-904e-8afeb1387dba_negatedLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" 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">Allowance for doubtful accounts</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink: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, Allowance for Credit Loss, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_0a6b8574-6b9c-4c93-a2f3-37c0a10e76f1_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain" xlink: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 [Domain]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain" xlink: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 Statement Location [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationDomain" xlink:to="lab_us-gaap_IncomeStatementLocationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersLongtermDebtLimit_d70815cf-2604-416b-9deb-bbd8b3977a0f_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersLongtermDebtLimit" xlink: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 limit</link:label>
    <link:label id="lab_pnw_RegulatoryMattersLongtermDebtLimit_label_en-US" xlink:label="lab_pnw_RegulatoryMattersLongtermDebtLimit" xlink: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 Matters, Long-term Debt Limit</link:label>
    <link:label id="lab_pnw_RegulatoryMattersLongtermDebtLimit_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersLongtermDebtLimit" 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">Regulatory Matters, Long-term Debt Limit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersLongtermDebtLimit" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersLongtermDebtLimit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersLongtermDebtLimit" xlink:to="lab_pnw_RegulatoryMattersLongtermDebtLimit" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriod2021Through2033Member_c879d77d-72da-4db2-817c-73d6dc410965_terseLabel_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriod2021Through2033Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Period 2021 through 2033</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriod2021Through2033Member_label_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriod2021Through2033Member" xlink: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 Leaseback Transaction Period 2021 Through 2033 [Member]</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriod2021Through2033Member_documentation_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriod2021Through2033Member" 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">Sale Leaseback Transaction Period 2021 Through 2033</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SaleLeasebackTransactionPeriod2021Through2033Member" xlink:href="pnw-20210331.xsd#pnw_SaleLeasebackTransactionPeriod2021Through2033Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SaleLeasebackTransactionPeriod2021Through2033Member" xlink:to="lab_pnw_SaleLeasebackTransactionPeriod2021Through2033Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_0f263d31-1d5b-4524-a7df-437ebb8fc52f_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">CASH FLOWS FROM 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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_us-gaap_OtherDebtSecuritiesMember_ece967f3-ec19-48c6-a239-e0df72cb452b_terseLabel_en-US" xlink:label="lab_us-gaap_OtherDebtSecuritiesMember" xlink: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 fixed income</link:label>
    <link:label id="lab_us-gaap_OtherDebtSecuritiesMember_label_en-US" xlink:label="lab_us-gaap_OtherDebtSecuritiesMember" xlink: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 Debt Obligations [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherDebtSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherDebtSecuritiesMember" xlink:to="lab_us-gaap_OtherDebtSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_EquityContributionGuarantees_fabc2cac-1678-49bd-a398-eade02dd3e15_terseLabel_en-US" xlink:label="lab_pnw_EquityContributionGuarantees" xlink: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 contribution guarantees</link:label>
    <link:label id="lab_pnw_EquityContributionGuarantees_label_en-US" xlink:label="lab_pnw_EquityContributionGuarantees" xlink: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 Contribution Guarantees</link:label>
    <link:label id="lab_pnw_EquityContributionGuarantees_documentation_en-US" xlink:label="lab_pnw_EquityContributionGuarantees" 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">Equity Contribution Guarantees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_EquityContributionGuarantees" xlink:href="pnw-20210331.xsd#pnw_EquityContributionGuarantees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_EquityContributionGuarantees" xlink:to="lab_pnw_EquityContributionGuarantees" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_db0b8500-2e13-4c31-8a67-f8d2d1ba786c_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</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_us-gaap_GainLossOnSaleOfInvestments_3e1bcc28-5157-4c17-9d3d-305fb8d03d70_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfInvestments" xlink: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 gains (losses) &#8212; net</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfInvestments_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gain (Loss) on Sale of Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfInvestments" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnSaleOfInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfInvestments" xlink:to="lab_us-gaap_GainLossOnSaleOfInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Assets_e92ca667-b8e1-4ce1-baec-97f4e5f0177f_totalLabel_en-US" xlink:label="lab_us-gaap_Assets" 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 ASSETS</link:label>
    <link:label id="lab_us-gaap_Assets_label_en-US" xlink:label="lab_us-gaap_Assets" xlink: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</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets" xlink:to="lab_us-gaap_Assets" xlink:type="arc" order="1"/>
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    <link:label id="lab_pnw_AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement_documentation_en-US" xlink:label="lab_pnw_AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement" 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">Asset Purchase Agreement, Proceeds from Operating an Maintenance Cost Reimbursement</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement" xlink:to="lab_pnw_AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SpecialUseFundInvestmentsOtherGrossFairValue_8e0679dd-f628-4261-bcff-a2b144aa15e8_terseLabel_en-US" xlink:label="lab_pnw_SpecialUseFundInvestmentsOtherGrossFairValue" xlink: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 special use funds</link:label>
    <link:label id="lab_pnw_SpecialUseFundInvestmentsOtherGrossFairValue_label_en-US" xlink:label="lab_pnw_SpecialUseFundInvestmentsOtherGrossFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Special Use Fund Investments, Other, Gross Fair Value</link:label>
    <link:label id="lab_pnw_SpecialUseFundInvestmentsOtherGrossFairValue_documentation_en-US" xlink:label="lab_pnw_SpecialUseFundInvestmentsOtherGrossFairValue" 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">Special Use Fund Investments, Other, Gross Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SpecialUseFundInvestmentsOtherGrossFairValue" xlink:href="pnw-20210331.xsd#pnw_SpecialUseFundInvestmentsOtherGrossFairValue"/>
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    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingJuly2023Member_20e91d2b-c326-4ad0-8dfc-bbda4d1a99ac_terseLabel_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingJuly2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving credit Facility maturing July 2023</link:label>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingJuly2023Member_label_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingJuly2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility Maturing July 2023 [Member]</link:label>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingJuly2023Member_documentation_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingJuly2023Member" 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">Revolving Credit Facility Maturing July 2023 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RevolvingCreditFacilityMaturingJuly2023Member" xlink:href="pnw-20210331.xsd#pnw_RevolvingCreditFacilityMaturingJuly2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RevolvingCreditFacilityMaturingJuly2023Member" xlink:to="lab_pnw_RevolvingCreditFacilityMaturingJuly2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_ad21e79a-f614-4d3b-9161-4df61a73af9e_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink: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:</link:label>
    <link:label id="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_label_en-US" xlink:label="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink: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 Income, Nonoperating [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherIncomeDisclosureNonoperatingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink:to="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_86367a40-a955-4d2e-832f-20b3f49c8cb4_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>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink: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 Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_974bcb90-1149-41d1-9045-909f1953aa3a_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level&#160;1</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink: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 1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_us-gaap_FairValueInputsLevel1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatedOperationsAbstract_2baf03ae-8e3c-433e-9532-8e16aef51c4f_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulated Operations [Abstract]</link:label>
    <link:label id="lab_us-gaap_RegulatedOperationsAbstract_label_en-US" xlink:label="lab_us-gaap_RegulatedOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulated Operations [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatedOperationsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatedOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatedOperationsAbstract" xlink:to="lab_us-gaap_RegulatedOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_eea785ee-556b-4375-8560-6695af6b61cb_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories" 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">Materials, supplies and fossil fuel</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories" xlink: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 Inventories</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeLiabilityFairValueGrossAsset_2f5a101f-d36d-49ea-9cb6-011f08521004_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink: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 derivative liability, other</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilityFairValueGrossAsset_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink: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 Liability, Fair Value, Gross Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilityFairValueGrossAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:to="lab_us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NotionalAmountOfDerivativesAbstract_af152d05-a752-47e1-a79f-68fed35b186b_terseLabel_en-US" xlink:label="lab_us-gaap_NotionalAmountOfDerivativesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding gross notional amount of derivatives</link:label>
    <link:label id="lab_us-gaap_NotionalAmountOfDerivativesAbstract_label_en-US" xlink:label="lab_us-gaap_NotionalAmountOfDerivativesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notional Disclosures [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotionalAmountOfDerivativesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NotionalAmountOfDerivativesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotionalAmountOfDerivativesAbstract" xlink:to="lab_us-gaap_NotionalAmountOfDerivativesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryAgencyAxis_b081f74a-2515-4284-8e6e-505a866a7554_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>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAgencyAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryAgencyAxis"/>
    <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_us-gaap_RenewableEnergyProgramMember_fc3e011a-2355-4273-a0bf-e813693062c8_terseLabel_en-US" xlink:label="lab_us-gaap_RenewableEnergyProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Renewable energy standard</link:label>
    <link:label id="lab_us-gaap_RenewableEnergyProgramMember_label_en-US" xlink:label="lab_us-gaap_RenewableEnergyProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Renewable Energy Program [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RenewableEnergyProgramMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RenewableEnergyProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RenewableEnergyProgramMember" xlink:to="lab_us-gaap_RenewableEnergyProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_63ba8cbd-2a93-4680-9921-ffed8dcf09ef_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Paid-In Capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_711101c9-cb26-49c6-855e-b7d87bd3a5f2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Detail of other income and other expense</link:label>
    <link:label id="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink: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 Other Nonoperating Income (Expense) [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_AverageAnnualCustomerBillIncreasePercent_5b4b623c-94d3-4940-8b27-9c6c563a9302_terseLabel_en-US" xlink:label="lab_pnw_AverageAnnualCustomerBillIncreasePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Average annual customer bill increase (decrease), percent</link:label>
    <link:label id="lab_pnw_AverageAnnualCustomerBillIncreasePercent_label_en-US" xlink:label="lab_pnw_AverageAnnualCustomerBillIncreasePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Average Annual Customer Bill Increase, Percent</link:label>
    <link:label id="lab_pnw_AverageAnnualCustomerBillIncreasePercent_documentation_en-US" xlink:label="lab_pnw_AverageAnnualCustomerBillIncreasePercent" 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">Average Annual Customer Bill Increase, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AverageAnnualCustomerBillIncreasePercent" xlink:href="pnw-20210331.xsd#pnw_AverageAnnualCustomerBillIncreasePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_AverageAnnualCustomerBillIncreasePercent" xlink:to="lab_pnw_AverageAnnualCustomerBillIncreasePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_FERCTransmissionTrueUpMember_396a97f2-2530-492c-9a5e-50858a6d9065_terseLabel_en-US" xlink:label="lab_pnw_FERCTransmissionTrueUpMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">FERC transmission true up</link:label>
    <link:label id="lab_pnw_FERCTransmissionTrueUpMember_label_en-US" xlink:label="lab_pnw_FERCTransmissionTrueUpMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">FERC Transmission True Up [Member]</link:label>
    <link:label id="lab_pnw_FERCTransmissionTrueUpMember_documentation_en-US" xlink:label="lab_pnw_FERCTransmissionTrueUpMember" 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">FERC Transmission True Up [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_FERCTransmissionTrueUpMember" xlink:href="pnw-20210331.xsd#pnw_FERCTransmissionTrueUpMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_FERCTransmissionTrueUpMember" xlink:to="lab_pnw_FERCTransmissionTrueUpMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SettlementAgreementNetRetailBaseRateIncrease_b066a8f0-82dc-44a7-aa94-45bb00f15b65_terseLabel_en-US" xlink:label="lab_pnw_SettlementAgreementNetRetailBaseRateIncrease" xlink: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 retail base rate, increase</link:label>
    <link:label id="lab_pnw_SettlementAgreementNetRetailBaseRateIncrease_label_en-US" xlink:label="lab_pnw_SettlementAgreementNetRetailBaseRateIncrease" xlink: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, Net Retail Base Rate, Increase</link:label>
    <link:label id="lab_pnw_SettlementAgreementNetRetailBaseRateIncrease_documentation_en-US" xlink:label="lab_pnw_SettlementAgreementNetRetailBaseRateIncrease" 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, Net Retail Base Rate, Increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SettlementAgreementNetRetailBaseRateIncrease" xlink:href="pnw-20210331.xsd#pnw_SettlementAgreementNetRetailBaseRateIncrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SettlementAgreementNetRetailBaseRateIncrease" xlink:to="lab_pnw_SettlementAgreementNetRetailBaseRateIncrease" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_44423f89-7d0c-4bc2-8253-74a723553fc5_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract" xlink: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 Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract" xlink: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 [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DeferredPropertyTaxesMember_7f25f784-5ba5-461f-b7ee-6c3330a19719_terseLabel_en-US" xlink:label="lab_pnw_DeferredPropertyTaxesMember" xlink: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 property taxes</link:label>
    <link:label id="lab_pnw_DeferredPropertyTaxesMember_9fb5d10c-8970-402d-b5f8-aa103d0963d1_verboseLabel_en-US" xlink:label="lab_pnw_DeferredPropertyTaxesMember" 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 tax deferral</link:label>
    <link:label id="lab_pnw_DeferredPropertyTaxesMember_label_en-US" xlink:label="lab_pnw_DeferredPropertyTaxesMember" xlink: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 Property Taxes [Member]</link:label>
    <link:label id="lab_pnw_DeferredPropertyTaxesMember_documentation_en-US" xlink:label="lab_pnw_DeferredPropertyTaxesMember" 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">Represents information pertaining to deferred property taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredPropertyTaxesMember" xlink:href="pnw-20210331.xsd#pnw_DeferredPropertyTaxesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DeferredPropertyTaxesMember" xlink:to="lab_pnw_DeferredPropertyTaxesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability_d986bfbb-80b1-4a35-8859-6101f0e2be5b_totalLabel_en-US" xlink:label="lab_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability" 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">Gross Recognized Derivatives</link:label>
    <link:label id="lab_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability_label_en-US" xlink:label="lab_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability" xlink: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 (Liability), Fair Value, Gross Asset (Liability)</link:label>
    <link:label id="lab_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability_documentation_en-US" xlink:label="lab_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability" 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">Represents the fair value of derivative asset, net of liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability" xlink:href="pnw-20210331.xsd#pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability" xlink:to="lab_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_HistoricalComponentofPSARate1_79ffc851-1b93-4a59-bf91-68c50b939325_terseLabel_en-US" xlink:label="lab_pnw_HistoricalComponentofPSARate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forward component of increase in PSA (in dollars per kWh)</link:label>
    <link:label id="lab_pnw_HistoricalComponentofPSARate1_label_en-US" xlink:label="lab_pnw_HistoricalComponentofPSARate1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Historical Component of PSA Rate1</link:label>
    <link:label id="lab_pnw_HistoricalComponentofPSARate1_documentation_en-US" xlink:label="lab_pnw_HistoricalComponentofPSARate1" 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">Historical Component of PSA Rate1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_HistoricalComponentofPSARate1" xlink:href="pnw-20210331.xsd#pnw_HistoricalComponentofPSARate1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_HistoricalComponentofPSARate1" xlink:to="lab_pnw_HistoricalComponentofPSARate1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_20de58a4-5a7d-4356-bb43-d1f6405d6bc0_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityDisclosureTextBlock_e0b6676a-6867-47c1-9b13-78b931f2e6cf_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">Palo Verde Sale Leaseback Variable Interest Entities</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_CommonStockSharesAuthorized_87055629-29d7-4e77-ba5d-816772e855d0_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock, authorized shares (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink: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, Shares Authorized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_us-gaap_CommonStockSharesAuthorized" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_b4fb258c-33d7-486c-b697-1a9dacbeb1d8_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross" xlink: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 in service and held for future use</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_pnw_DeferredInvestmentTaxCredit_f16d28ef-e607-4ac9-b109-32e5cca08563_negatedTerseLabel_en-US" xlink:label="lab_pnw_DeferredInvestmentTaxCredit" 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">Deferred investment tax credit</link:label>
    <link:label id="lab_pnw_DeferredInvestmentTaxCredit_label_en-US" xlink:label="lab_pnw_DeferredInvestmentTaxCredit" xlink: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 Investment Tax Credit</link:label>
    <link:label id="lab_pnw_DeferredInvestmentTaxCredit_documentation_en-US" xlink:label="lab_pnw_DeferredInvestmentTaxCredit" 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">Deferred Investment Tax Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredInvestmentTaxCredit" xlink:href="pnw-20210331.xsd#pnw_DeferredInvestmentTaxCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DeferredInvestmentTaxCredit" xlink:to="lab_pnw_DeferredInvestmentTaxCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember_ee89ed63-9ea3-42cb-8818-3c4130c92d9e_terseLabel_en-US" xlink:label="lab_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Plant, Coal Reclamation Regulatory Asset</link:label>
    <link:label id="lab_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember_label_en-US" xlink:label="lab_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Plant, Coal Reclamation Regulatory Asset [Member]</link:label>
    <link:label id="lab_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember_documentation_en-US" xlink:label="lab_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember" 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">Navajo Plant, Coal Reclamation Regulatory Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember" xlink:href="pnw-20210331.xsd#pnw_NavajoPlantCoalReclamationRegulatoryAssetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember" xlink:to="lab_pnw_NavajoPlantCoalReclamationRegulatoryAssetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CommercialCustomersMarketPricingThreshold_d670f211-a2f1-46e6-9e0d-e18ada1752cb_terseLabel_en-US" xlink:label="lab_pnw_CommercialCustomersMarketPricingThreshold" xlink: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 customers, market pricing, threshold</link:label>
    <link:label id="lab_pnw_CommercialCustomersMarketPricingThreshold_label_en-US" xlink:label="lab_pnw_CommercialCustomersMarketPricingThreshold" xlink: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 Customers, Market Pricing, Threshold</link:label>
    <link:label id="lab_pnw_CommercialCustomersMarketPricingThreshold_documentation_en-US" xlink:label="lab_pnw_CommercialCustomersMarketPricingThreshold" 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 Customers, Market Pricing, Threshold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CommercialCustomersMarketPricingThreshold" xlink:href="pnw-20210331.xsd#pnw_CommercialCustomersMarketPricingThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CommercialCustomersMarketPricingThreshold" xlink:to="lab_pnw_CommercialCustomersMarketPricingThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeStatementAbstract_8198b9cb-886e-495e-871d-a49b0efc1c6d_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink: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 [Abstract]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementAbstract_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink: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 Statement [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract" xlink:to="lab_us-gaap_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_1542b675-b96d-42b5-a5ca-a8766c49fcc1_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>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">AOCI Attributable to Parent [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward_e4bfe673-5195-45e8-bb00-fe65e82ae1a1_terseLabel_en-US" xlink:label="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward" xlink: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 regulatory asset</link:label>
    <link:label id="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward_label_en-US" xlink:label="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward" xlink: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 Fuel and Purchased Power Regulatory Asset (Liability) [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward" xlink:href="pnw-20210331.xsd#pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward" xlink:to="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_f8532961-6836-46ea-870f-5374dc4e3acb_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink: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 of fixed income securities, summarized by contractual maturities</link:label>
    <link:label id="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_label_en-US" xlink:label="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investments Classified by Contractual Maturity Date [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:to="lab_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NonoperatingCosts_dd164119-70ce-41c6-8bd5-6c8cb4a65e1f_negatedLabel_en-US" xlink:label="lab_pnw_NonoperatingCosts" 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">Non-operating costs</link:label>
    <link:label id="lab_pnw_NonoperatingCosts_label_en-US" xlink:label="lab_pnw_NonoperatingCosts" xlink: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 Costs</link:label>
    <link:label id="lab_pnw_NonoperatingCosts_documentation_en-US" xlink:label="lab_pnw_NonoperatingCosts" 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 nonoperating costs resulting from the ancillary business-related activities (that is, excluding major activities considered as a part of the normal operations of the business) recognized during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NonoperatingCosts" xlink:href="pnw-20210331.xsd#pnw_NonoperatingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NonoperatingCosts" xlink:to="lab_pnw_NonoperatingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_8008970e-e9d4-4689-93ba-f5abc96c0e10_verboseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" 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">Palo Verde VIEs (Note 6)</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_01e52fda-7b11-4db6-a49c-29e8a2695eac_netLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Palo Verde VIE</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink: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, Primary Beneficiary [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:to="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NavajoTransitionalEnergyCompanyLLCMember_081252f4-44c5-4c8c-ae45-c79ab5fd6745_terseLabel_en-US" xlink:label="lab_pnw_NavajoTransitionalEnergyCompanyLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NTEC</link:label>
    <link:label id="lab_pnw_NavajoTransitionalEnergyCompanyLLCMember_label_en-US" xlink:label="lab_pnw_NavajoTransitionalEnergyCompanyLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Transitional Energy Company, LLC [Member]</link:label>
    <link:label id="lab_pnw_NavajoTransitionalEnergyCompanyLLCMember_documentation_en-US" xlink:label="lab_pnw_NavajoTransitionalEnergyCompanyLLCMember" 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">Navajo Transitional Energy Company, LLC [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NavajoTransitionalEnergyCompanyLLCMember" xlink:href="pnw-20210331.xsd#pnw_NavajoTransitionalEnergyCompanyLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NavajoTransitionalEnergyCompanyLLCMember" xlink:to="lab_pnw_NavajoTransitionalEnergyCompanyLLCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DeferredCreditsMember_59b3016f-b0bd-4431-8ca1-2f2eb6bff58d_terseLabel_en-US" xlink:label="lab_pnw_DeferredCreditsMember" xlink: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 credits and other</link:label>
    <link:label id="lab_pnw_DeferredCreditsMember_label_en-US" xlink:label="lab_pnw_DeferredCreditsMember" xlink: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 Credits [Member]</link:label>
    <link:label id="lab_pnw_DeferredCreditsMember_documentation_en-US" xlink:label="lab_pnw_DeferredCreditsMember" 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 which the fair value amounts of the derivative instruments are included.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredCreditsMember" xlink:href="pnw-20210331.xsd#pnw_DeferredCreditsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DeferredCreditsMember" xlink:to="lab_pnw_DeferredCreditsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTable_9880d040-021d-4a11-8314-fd768a4b8e60_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTable" xlink: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 Regulatory Liabilities [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTable" xlink: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 Regulatory Liabilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRegulatoryLiabilitiesTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRegulatoryLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRegulatoryLiabilitiesTable" xlink:to="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_dc6b54dc-9d38-49a3-92c2-bd9412198d7b_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain" xlink:to="lab_us-gaap_IncomeTaxAuthorityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_ec8c79a5-6084-44a9-9115-0bd280abc7e2_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink: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 by Category of Item Purchased [Axis]</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink: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 by Category of Item Purchased [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeNonmonetaryNotionalAmountVolume_f7521bcc-1e42-424d-9d76-b0126e808a9e_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNonmonetaryNotionalAmountVolume" xlink: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</link:label>
    <link:label id="lab_us-gaap_DerivativeNonmonetaryNotionalAmountVolume_label_en-US" xlink:label="lab_us-gaap_DerivativeNonmonetaryNotionalAmountVolume" xlink: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, Nonmonetary Notional Amount, Volume</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmountVolume" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeNonmonetaryNotionalAmountVolume"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNonmonetaryNotionalAmountVolume" xlink:to="lab_us-gaap_DerivativeNonmonetaryNotionalAmountVolume" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersCustomerCOVIDAssistance_23ebc15e-5fd1-4c12-8a40-be7431a960c8_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerCOVIDAssistance" xlink: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 COVID assistance</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerCOVIDAssistance_label_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerCOVIDAssistance" xlink: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 Matters, Customer COVID Assistance</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerCOVIDAssistance_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerCOVIDAssistance" 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">Regulatory Matters, Customer COVID Assistance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersCustomerCOVIDAssistance" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersCustomerCOVIDAssistance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersCustomerCOVIDAssistance" xlink:to="lab_pnw_RegulatoryMattersCustomerCOVIDAssistance" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ConsolidatedEntitiesAxis_b9c1b096-67d9-4746-99e2-113c29ccf2d5_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="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.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_RegulatoryAssetLineItems_e5a2c41e-f6cd-43a3-a024-d3b1b4beb2f3_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Detail of regulatory assets</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetLineItems_label_en-US" xlink:label="lab_us-gaap_RegulatoryAssetLineItems" xlink: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 [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryAssetLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryAssetLineItems" xlink:to="lab_us-gaap_RegulatoryAssetLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage_4f4d43e9-e000-404d-b0ef-7d9cbe95b5a3_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage" xlink: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_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage" xlink: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, Requested Long-term Debt Cost Of Capital, Percentage</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage" 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 Long-term Debt Cost Of Capital, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage" xlink:to="lab_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_ebb885f5-a32a-4077-ac84-4e2246e26cbc_terseLabel_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:label id="lab_srt_ScenarioUnspecifiedDomain_label_en-US" xlink:label="lab_srt_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Scenario [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioUnspecifiedDomain" xlink:to="lab_srt_ScenarioUnspecifiedDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtTextBlock_a025fcb6-c8a7-4fd7-8018-332c6962cd6a_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtTextBlock" xlink: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 and Liquidity Matters</link:label>
    <link:label id="lab_us-gaap_LongTermDebtTextBlock_label_en-US" xlink:label="lab_us-gaap_LongTermDebtTextBlock" xlink: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 [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtTextBlock" xlink:to="lab_us-gaap_LongTermDebtTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract_ce5af9c5-6c9f-4982-8568-e6e7d336ef51_terseLabel_en-US" xlink:label="lab_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract" xlink: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 and Liabilities</link:label>
    <link:label id="lab_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract_label_en-US" xlink:label="lab_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Offsetting Derivative Assets Liabilities, Net [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract" xlink:href="pnw-20210331.xsd#pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract" xlink:to="lab_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery_822dd19b-4727-4874-ae26-7f45583c3b2b_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Threshold percentage for deferral of potential recovery</link:label>
    <link:label id="lab_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery_label_en-US" xlink:label="lab_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery" xlink: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 Matters, Voluntary Funds, Percentage Threshold For Deferral Of Potential Recovery</link:label>
    <link:label id="lab_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery" 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">Regulatory Matters, Voluntary Funds, Percentage Threshold For Deferral Of Potential Recovery</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery" xlink:to="lab_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SupplyAgreementAbstract_53d3a4d1-5d8f-4399-a2ad-649dbf46f884_terseLabel_en-US" xlink:label="lab_pnw_SupplyAgreementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Four Corners Coal Supply Agreement</link:label>
    <link:label id="lab_pnw_SupplyAgreementAbstract_label_en-US" xlink:label="lab_pnw_SupplyAgreementAbstract" xlink: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 Agreement [Abstract]</link:label>
    <link:label id="lab_pnw_SupplyAgreementAbstract_documentation_en-US" xlink:label="lab_pnw_SupplyAgreementAbstract" 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">Supply Agreement [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SupplyAgreementAbstract" xlink:href="pnw-20210331.xsd#pnw_SupplyAgreementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SupplyAgreementAbstract" xlink:to="lab_pnw_SupplyAgreementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HedgingDesignationAxis_0b529214-b597-4923-9527-5545cfe547e8_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedging Designation [Axis]</link:label>
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    <link:label id="lab_pnw_MaximumAvailableNuclearLiabilityInsurance_82c2e9c1-d0a8-4673-9015-95d26b8ba339_terseLabel_en-US" xlink:label="lab_pnw_MaximumAvailableNuclearLiabilityInsurance" xlink: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 available nuclear liability insurance (up to)</link:label>
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    <link:label id="lab_pnw_MaximumAvailableNuclearLiabilityInsurance_documentation_en-US" xlink:label="lab_pnw_MaximumAvailableNuclearLiabilityInsurance" 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">Represents the maximum available nuclear liability insurance which is provided by commercial insurance carriers, maintained by Palo Verde as required by the Price Anderson Nuclear Industries Indemnity Act.</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCapacityAvailableForTradePurchases_eb325ee8-a97b-4692-ae14-2b9c95e1fe30_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCapacityAvailableForTradePurchases" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capacity available for trade purchases</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_f9d20228-7657-4fb6-9b05-82573faace42_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract" 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>
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    <link:label id="lab_pnw_A2017SettlementAgreementAndItsCustomerEducationAndOutreachPlanMember_ba72d287-b966-4cfb-8856-8035775886cb_terseLabel_en-US" xlink:label="lab_pnw_A2017SettlementAgreementAndItsCustomerEducationAndOutreachPlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2017 Settlement Agreement and its Customer Education and Outreach Plan</link:label>
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    <link:label id="lab_pnw_NavajoCountyCommunitiesChollaPowerPlantClosureMember_9d29f171-00fe-4c50-b8d5-5d898114a7db_terseLabel_en-US" xlink:label="lab_pnw_NavajoCountyCommunitiesChollaPowerPlantClosureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo County Communities, Cholla Power Plant Closure</link:label>
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    <link:label id="lab_pnw_CoalCommunityTransitionPlanMember_98e19287-7970-4f81-a2a4-949c0519f750_terseLabel_en-US" xlink:label="lab_pnw_CoalCommunityTransitionPlanMember" xlink: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 Community Transition Plan</link:label>
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    <link:label id="lab_us-gaap_PostretirementBenefitCostsMember_aa1fca1f-a346-4380-8562-2b647f7fde81_terseLabel_en-US" xlink:label="lab_us-gaap_PostretirementBenefitCostsMember" xlink: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</link:label>
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    <link:label id="lab_pnw_PublicUtilitiesIncrementOfFairValueRatePercentage_04fc270d-f499-4d7b-971c-b2b1293b1714_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesIncrementOfFairValueRatePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increment of fair value rate, percentage</link:label>
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    <link:label id="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates_documentation_en-US" xlink:label="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates" 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 Matters, Increase (Decrease) in Cost Recovery, Retail Customer Rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates" xlink:href="pnw-20210331.xsd#pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates" xlink:to="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryAssetsNoncurrent_701b080f-9275-42a5-bbdb-8ac91ebb0e56_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 (Note 4)</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsNoncurrent_1db45655-a659-478f-928e-575f86fda57e_verboseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsNoncurrent" 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">Non-Current</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsNoncurrent_label_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsNoncurrent" xlink: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, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryAssetsNoncurrent" xlink:to="lab_us-gaap_RegulatoryAssetsNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit_c16ffa2a-bc6e-4c2e-8594-99e6ff34115d_negatedTerseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit" 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">Public Utilities, one-time bill credit</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit" xlink: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, Requested Rate Increase (Decrease), Amount, One-time Bill Credit</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit" 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 Rate Increase (Decrease), Amount, One-time Bill Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit" xlink:to="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_ea57563d-eec8-4c91-b984-1786df73c55b_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems" xlink: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 of derivative instruments with credit risk and credit-related contingent features</link:label>
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_label_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivatives, Fair Value [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesFairValueLineItems" xlink:to="lab_us-gaap_DerivativesFairValueLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_0517d947-e70d-424c-879f-3614def0efcb_terseLabel_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink: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 [Domain]</link:label>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_label_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_NameOfMajorCustomerDomain" xlink:to="lab_srt_NameOfMajorCustomerDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MineReclamationAndClosingLiabilityNoncurrent_f22ad9fc-3b71-4e1c-bd5d-aaaafb789bf4_terseLabel_en-US" xlink:label="lab_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink: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 mine reclamation</link:label>
    <link:label id="lab_us-gaap_MineReclamationAndClosingLiabilityNoncurrent_label_en-US" xlink:label="lab_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Mine Reclamation and Closing Liability, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MineReclamationAndClosingLiabilityNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:to="lab_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage_22374be4-6477-466c-a1c6-039e6fbe02b9_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">Percentage of debt in capital structure</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>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage" xlink:to="lab_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_50cd2282-47dd-4880-b089-b49e8e86666a_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional paid-in capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional Paid in Capital, Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_5f094c88-a88e-4f41-9dae-ac8f34511d7d_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink: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 Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink: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 Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_bb04172a-9fc0-4abc-99e1-d7395195f942_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink: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 Type [Domain]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink: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 Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain" xlink:to="lab_us-gaap_SubsequentEventTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BusinessAcquisitionLineItems_81e5dd9b-0771-49b9-8b58-d106af78a869_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems" xlink: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 Acquisition [Line Items]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionLineItems_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionLineItems" xlink: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 Acquisition [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems" xlink:to="lab_us-gaap_BusinessAcquisitionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsFairValueDisclosureAbstract_2fc1c880-7b88-4b5a-ba6e-7ecb6ec1313d_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosureAbstract" xlink: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</link:label>
    <link:label id="lab_us-gaap_AssetsFairValueDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosureAbstract" xlink: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 [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract" xlink:to="lab_us-gaap_AssetsFairValueDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_OtherReceivablesfromBrokerDealersandClearingMember_d1704b4d-9490-49ce-9aac-77fad83f60a4_terseLabel_en-US" xlink:label="lab_pnw_OtherReceivablesfromBrokerDealersandClearingMember" xlink: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</link:label>
    <link:label id="lab_pnw_OtherReceivablesfromBrokerDealersandClearingMember_label_en-US" xlink:label="lab_pnw_OtherReceivablesfromBrokerDealersandClearingMember" xlink: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 Receivables from Broker-Dealers and Clearing [Member]</link:label>
    <link:label id="lab_pnw_OtherReceivablesfromBrokerDealersandClearingMember_documentation_en-US" xlink:label="lab_pnw_OtherReceivablesfromBrokerDealersandClearingMember" 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 Receivables from Broker-Dealers and Clearing [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_OtherReceivablesfromBrokerDealersandClearingMember" xlink:href="pnw-20210331.xsd#pnw_OtherReceivablesfromBrokerDealersandClearingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_OtherReceivablesfromBrokerDealersandClearingMember" xlink:to="lab_pnw_OtherReceivablesfromBrokerDealersandClearingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_d7cd5dd5-e9f3-4db8-9403-a21941df4e25_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink: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 other long-term liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink: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 Other Operating Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SCRDeferralMember_7b197be6-7cc9-4a4a-9ff6-86e17f5e40eb_terseLabel_en-US" xlink:label="lab_pnw_SCRDeferralMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SCR deferral</link:label>
    <link:label id="lab_pnw_SCRDeferralMember_label_en-US" xlink:label="lab_pnw_SCRDeferralMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SCR Deferral [Member]</link:label>
    <link:label id="lab_pnw_SCRDeferralMember_documentation_en-US" xlink:label="lab_pnw_SCRDeferralMember" 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">SCR Deferral [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SCRDeferralMember" xlink:href="pnw-20210331.xsd#pnw_SCRDeferralMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SCRDeferralMember" xlink:to="lab_pnw_SCRDeferralMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_c55728c2-dfb4-4b60-b465-0b8f86a46155_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reissuance of treasury stock for stock-based compensation and other</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink: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, Treasury Stock Reissued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMatterCapPercentageOfRetailRevenue_375fe2db-fbb3-490d-9151-f39ab31b8334_terseLabel_en-US" xlink:label="lab_pnw_RateMatterCapPercentageOfRetailRevenue" xlink: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 retail revenues</link:label>
    <link:label id="lab_pnw_RateMatterCapPercentageOfRetailRevenue_label_en-US" xlink:label="lab_pnw_RateMatterCapPercentageOfRetailRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matter Cap Percentage of Retail Revenue</link:label>
    <link:label id="lab_pnw_RateMatterCapPercentageOfRetailRevenue_documentation_en-US" xlink:label="lab_pnw_RateMatterCapPercentageOfRetailRevenue" 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">Represents information pertaining to cap percentage of retail revenues.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMatterCapPercentageOfRetailRevenue" xlink:href="pnw-20210331.xsd#pnw_RateMatterCapPercentageOfRetailRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMatterCapPercentageOfRetailRevenue" xlink:to="lab_pnw_RateMatterCapPercentageOfRetailRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilityCurrent_49a1a380-50ed-441c-bacd-82dde4ddc02b_verboseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityCurrent" 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">Regulatory liabilities (Note 4)</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>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryLiabilityCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryLiabilityCurrent" xlink:to="lab_us-gaap_RegulatoryLiabilityCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ArizonaRenewableEnergyStandardandTariff2018Member_266f9941-cea4-46cc-8b83-d0b4288b03fc_terseLabel_en-US" xlink:label="lab_pnw_ArizonaRenewableEnergyStandardandTariff2018Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">RES 2018</link:label>
    <link:label id="lab_pnw_ArizonaRenewableEnergyStandardandTariff2018Member_label_en-US" xlink:label="lab_pnw_ArizonaRenewableEnergyStandardandTariff2018Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arizona Renewable Energy Standard and Tariff 2018 [Member]</link:label>
    <link:label id="lab_pnw_ArizonaRenewableEnergyStandardandTariff2018Member_documentation_en-US" xlink:label="lab_pnw_ArizonaRenewableEnergyStandardandTariff2018Member" 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">Arizona Renewable Energy Standard and Tariff 2018 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ArizonaRenewableEnergyStandardandTariff2018Member" xlink:href="pnw-20210331.xsd#pnw_ArizonaRenewableEnergyStandardandTariff2018Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ArizonaRenewableEnergyStandardandTariff2018Member" xlink:to="lab_pnw_ArizonaRenewableEnergyStandardandTariff2018Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_8bfb0882-b591-4c6e-8f68-2bcfbff3a292_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock" 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">Dividends paid on common stock</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock" xlink: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 Ordinary Dividends, Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsCommonStock" xlink:to="lab_us-gaap_PaymentsOfDividendsCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquitySecuritiesMember_ac3dcc1b-aba9-41da-8b27-fc7c694b45a7_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">Equity securities</link:label>
    <link:label id="lab_us-gaap_EquitySecuritiesMember_f4625941-ca4f-44b6-b474-59052ea85fd1_verboseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember" 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">Equity securities</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquitySecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquitySecuritiesMember" xlink:to="lab_us-gaap_EquitySecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_df050583-96b3-4d3e-bc8b-100411fc90b0_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>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink: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 Incorporation, State or Country Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_8d62cda7-c219-42ac-be88-018605b5c33f_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgesLiabilities" 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">Liabilities from risk management activities (Note 7)</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink: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 Instruments and Hedges, Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_b72cfdb5-808e-45f0-be59-adc002f71bb5_negatedLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" 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">Total Unrealized Losses</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink: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 Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:to="lab_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressPostalZipCode_97b013a5-9a17-4272-b5da-480a3b9d2ffd_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/2020/dei-2020-01-31.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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount_add8bbc4-df92-4436-ab46-57c09a661928_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proposed annual revenue increase</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount_d602c035-ad29-46f0-9d16-2bb9bef4ca95_negatedLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" 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">Gross-up for revenue requirement of rate regulation</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" xlink: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, Requested Rate Increase (Decrease), Tax Cuts And Jobs Act of 2017, Income Tax Amount</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" 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 Rate Increase (Decrease), Tax Cuts And Jobs Act of 2017, Income Tax Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" xlink:to="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CoalCombustionWasteMember_b2a57446-d6e3-4c9f-8dee-3ec6edf8f193_terseLabel_en-US" xlink:label="lab_pnw_CoalCombustionWasteMember" xlink: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 combustion waste</link:label>
    <link:label id="lab_pnw_CoalCombustionWasteMember_label_en-US" xlink:label="lab_pnw_CoalCombustionWasteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Coal Combustion Waste [Member]</link:label>
    <link:label id="lab_pnw_CoalCombustionWasteMember_documentation_en-US" xlink:label="lab_pnw_CoalCombustionWasteMember" 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">Coal Combustion Waste [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CoalCombustionWasteMember" xlink:href="pnw-20210331.xsd#pnw_CoalCombustionWasteMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CoalCombustionWasteMember" xlink:to="lab_pnw_CoalCombustionWasteMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SpentNuclearFuelMember_15d499d8-a0e9-4b67-a25e-a71485f921cf_terseLabel_en-US" xlink:label="lab_pnw_SpentNuclearFuelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Spent nuclear fuel</link:label>
    <link:label id="lab_pnw_SpentNuclearFuelMember_label_en-US" xlink:label="lab_pnw_SpentNuclearFuelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Spent Nuclear Fuel [Member]</link:label>
    <link:label id="lab_pnw_SpentNuclearFuelMember_documentation_en-US" xlink:label="lab_pnw_SpentNuclearFuelMember" 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">Liability associated with spent nuclear fuel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SpentNuclearFuelMember" xlink:href="pnw-20210331.xsd#pnw_SpentNuclearFuelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SpentNuclearFuelMember" xlink:to="lab_pnw_SpentNuclearFuelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_EmployeeMedicalClaimsAmount_07806319-8503-4591-80ee-dd356d4e8e13_terseLabel_en-US" xlink:label="lab_pnw_EmployeeMedicalClaimsAmount" xlink: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 medical claims amount</link:label>
    <link:label id="lab_pnw_EmployeeMedicalClaimsAmount_label_en-US" xlink:label="lab_pnw_EmployeeMedicalClaimsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee Medical Claims Amount</link:label>
    <link:label id="lab_pnw_EmployeeMedicalClaimsAmount_documentation_en-US" xlink:label="lab_pnw_EmployeeMedicalClaimsAmount" 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">Employee Medical Claims Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_EmployeeMedicalClaimsAmount" xlink:href="pnw-20210331.xsd#pnw_EmployeeMedicalClaimsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_EmployeeMedicalClaimsAmount" xlink:to="lab_pnw_EmployeeMedicalClaimsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_a6542a3d-9bc3-4fb2-98f7-0b2d8fe56a2b_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nuclear decommissioning trust fund assets</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink: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 Securities, Available-for-sale [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CostRecoveryMechanismsMember_17123439-3465-4ddd-9da4-91c0544345f0_terseLabel_en-US" xlink:label="lab_pnw_CostRecoveryMechanismsMember" xlink: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 Recovery Mechanisms</link:label>
    <link:label id="lab_pnw_CostRecoveryMechanismsMember_label_en-US" xlink:label="lab_pnw_CostRecoveryMechanismsMember" xlink: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 Recovery Mechanisms [Member]</link:label>
    <link:label id="lab_pnw_CostRecoveryMechanismsMember_documentation_en-US" xlink:label="lab_pnw_CostRecoveryMechanismsMember" 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">Represents the cost recovery mechanisms.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CostRecoveryMechanismsMember" xlink:href="pnw-20210331.xsd#pnw_CostRecoveryMechanismsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CostRecoveryMechanismsMember" xlink:to="lab_pnw_CostRecoveryMechanismsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RiskManagementAssetsMember_9c14dfe1-f7a1-4516-9908-17bbfb5eeb3f_terseLabel_en-US" xlink:label="lab_pnw_RiskManagementAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk Management Assets</link:label>
    <link:label id="lab_pnw_RiskManagementAssetsMember_label_en-US" xlink:label="lab_pnw_RiskManagementAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Risk Management Assets [Member]</link:label>
    <link:label id="lab_pnw_RiskManagementAssetsMember_documentation_en-US" xlink:label="lab_pnw_RiskManagementAssetsMember" 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">Risk Management Assets [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RiskManagementAssetsMember" xlink:href="pnw-20210331.xsd#pnw_RiskManagementAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RiskManagementAssetsMember" xlink:to="lab_pnw_RiskManagementAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EnergyRelatedInventoryOtherFossilFuel_8435bd4f-4896-44f8-a05e-56a81881c37a_terseLabel_en-US" xlink:label="lab_us-gaap_EnergyRelatedInventoryOtherFossilFuel" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fossil fuel (at average cost)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedInventoryOtherFossilFuel" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EnergyRelatedInventoryOtherFossilFuel"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnergyRelatedInventoryOtherFossilFuel" xlink:to="lab_us-gaap_EnergyRelatedInventoryOtherFossilFuel" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_d15044a5-cce5-492a-8336-54867b4b35c2_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink: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, face amount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink: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, Face Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssetsCurrent_6123298f-5585-4453-b4be-c9474dd9bcc5_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent" xlink: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 current assets</link:label>
    <link:label id="lab_us-gaap_OtherAssetsCurrent_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent" xlink: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, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent" xlink:to="lab_us-gaap_OtherAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases_064209d1-1119-4414-aac7-75b39faa20af_terseLabel_en-US" xlink:label="lab_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nuclear decommissioning trust, other</link:label>
    <link:label id="lab_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases_label_en-US" xlink:label="lab_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Decommissioning Fund Investments, Fair Value Net Pending Securities Sales and Purchases</link:label>
    <link:label id="lab_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases_documentation_en-US" xlink:label="lab_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases" 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">Decommissioning Fund Investments, Fair Value Net Pending Securities Sales and Purchases</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases" xlink:to="lab_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsFairValueDisclosure_a17c4f3d-7103-4e84-bbd1-964692257b7a_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure" 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 assets</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_bc6ed168-aadb-47ac-b579-569287390649_verboseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" 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">Significant non-cash investing and financing activities:</link:label>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink: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 Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityCurrent_1a19e3ae-2edf-4ae9-8786-de88958d3adf_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityCurrent" xlink: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 deposits</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityCurrent_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityCurrent" xlink: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 with Customer, Liability, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:to="lab_us-gaap_ContractWithCustomerLiabilityCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromRepurchaseOfEquity_bc809b79-387c-435d-8761-4ee470ebe02a_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepurchaseOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock equity issuance &#8212; net of purchases</link:label>
    <link:label id="lab_us-gaap_ProceedsFromRepurchaseOfEquity_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepurchaseOfEquity" xlink: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 (Repurchase of) Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepurchaseOfEquity" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromRepurchaseOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepurchaseOfEquity" xlink:to="lab_us-gaap_ProceedsFromRepurchaseOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure_20d091d2-7679-44ce-a46c-c0c673a8f3f8_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure" xlink: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</link:label>
    <link:label id="lab_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure_label_en-US" xlink:label="lab_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure" xlink: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, Nonmonetary Notional Amount, Energy Measure</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure" xlink:to="lab_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntitiesTable_caca7a39-0941-4127-8f33-b914c38e230c_terseLabel_en-US" xlink:label="lab_dei_EntitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entities [Table]</link:label>
    <link:label id="lab_dei_EntitiesTable_label_en-US" xlink:label="lab_dei_EntitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitiesTable" xlink:to="lab_dei_EntitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_cc787fd6-cffb-468e-8a9d-17833374a2cb_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain" xlink: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 Contract [Domain]</link:label>
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain" xlink: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 Contract [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="lab_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_d2d7e5ac-c7ed-4b44-8426-1a6c7029d473_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">WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_LetterOfCreditMember_0017a60e-0eac-4f09-9ab6-6e2aed0baeb0_terseLabel_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letter of Credit</link:label>
    <link:label id="lab_us-gaap_LetterOfCreditMember_label_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letter of Credit [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LetterOfCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LetterOfCreditMember" xlink:to="lab_us-gaap_LetterOfCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTable_745ab04f-efdd-483c-93b7-123c33cc7a63_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_OtherIncomeAndExpensesAbstract_bc20e1db-b8ff-4e97-9e9f-4dad1b5a658b_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeAndExpensesAbstract" xlink: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 and Expenses [Abstract]</link:label>
    <link:label id="lab_us-gaap_OtherIncomeAndExpensesAbstract_label_en-US" xlink:label="lab_us-gaap_OtherIncomeAndExpensesAbstract" xlink: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 Income and Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="lab_us-gaap_OtherIncomeAndExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_03d21d23-2c8f-49ee-b74e-795ff29b7eb5_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract" xlink: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 Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract" xlink: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 [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract" xlink:to="lab_us-gaap_DebtDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMatterSettlementAgreementEnergyPriceforExportedEnergy1_d556a791-ffc3-4f4b-a0ea-4d49b5349e80_terseLabel_en-US" xlink:label="lab_pnw_RateMatterSettlementAgreementEnergyPriceforExportedEnergy1" xlink: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-year export energy price (in dollars per kWh)</link:label>
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    <link:label id="lab_us-gaap_AdditionalCollateralAggregateFairValue_90261bb5-4760-45a1-87e2-0e0046d0867f_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalCollateralAggregateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional cash collateral in the event credit-risk-related contingent features were fully triggered</link:label>
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    <link:label id="lab_dei_EntityCurrentReportingStatus_cec44e8b-395a-470d-bfc0-bbca4add2070_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink: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 Current Reporting Status</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RemovalCostsMember_e2d72528-1690-4c36-a69b-24a0ddd218f4_terseLabel_en-US" xlink:label="lab_us-gaap_RemovalCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Removal costs</link:label>
    <link:label id="lab_us-gaap_RemovalCostsMember_label_en-US" xlink:label="lab_us-gaap_RemovalCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Removal Costs [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RemovalCostsMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RemovalCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RemovalCostsMember" xlink:to="lab_us-gaap_RemovalCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_4bf8ca28-957d-46c6-a2ce-06ae70d809be_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
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    <link:label id="lab_us-gaap_CommonStockSharesIssued_a7357b57-8240-49f8-908f-6d94f25f4c50_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock, issued shares (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_e141bb2c-89ef-4a20-93f9-de4f900ab385_periodStartLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" 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">Beginning balance (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_f2fe736b-cce8-4a4e-93be-e51bff3e65a5_periodEndLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" 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">Ending balance (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink: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, Shares, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued" xlink:to="lab_us-gaap_CommonStockSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_aee2b1b4-43c7-41a5-b17e-4ad4783694a2_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink: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_CashAndCashEquivalentsAtCarryingValue_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink: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, at Carrying Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_78bf2229-0de0-4ec6-9bb5-045d7dd64d2c_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent" xlink: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 less current maturities (Note 3)</link:label>
    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent" xlink: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, Excluding Current Maturities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent" xlink:to="lab_us-gaap_LongTermDebtNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_1c607ec3-49d1-4244-a9f0-c2932a01fb2a_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">Long-Term Debt and Liquidity Matters</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>
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    <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_us-gaap_StockholdersEquity_9b6eb480-f02b-4ed2-bd44-be78f9e0c402_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 shareholders&#8217; equity</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset_22421b7a-8992-4b61-880e-af4b5bf145dd_negatedLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" 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">Amounts Offset</link:label>
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    <link:label id="lab_pnw_NavajoNationElectrificationProjectsMember_d0e807d2-c80c-45e9-ada4-8dd469d75c80_terseLabel_en-US" xlink:label="lab_pnw_NavajoNationElectrificationProjectsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Nation, Electrification Projects</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_pnw_NavajoNationElectrificationProjectsMember" xlink:href="pnw-20210331.xsd#pnw_NavajoNationElectrificationProjectsMember"/>
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    <link:label id="lab_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite_946cd07b-8018-4db6-b6a8-b4d4d6338222_terseLabel_en-US" xlink:label="lab_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Costs related to investigation and study under Superfund site</link:label>
    <link:label id="lab_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite_label_en-US" xlink:label="lab_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Costs Related to Investigation and Study under Superfund Site</link:label>
    <link:label id="lab_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite_documentation_en-US" xlink:label="lab_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite" 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 related to site-wide groundwater remedial investigation and feasibility study work plan because subsidiary has been found to be potentially responsible parties ("PRPs") with liability for cleanup of hazardous substances that contaminates the soil, water or air, under the Comprehensive Environmental Response, Compensation and Liability Act ("Superfund").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite" xlink:href="pnw-20210331.xsd#pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite" xlink:to="lab_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_MiscellaneousOtherNonoperatingExpense_04c8cd63-529e-4a33-a5a3-ae318c8eedaa_negatedTerseLabel_en-US" xlink:label="lab_pnw_MiscellaneousOtherNonoperatingExpense" 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">Miscellaneous</link:label>
    <link:label id="lab_pnw_MiscellaneousOtherNonoperatingExpense_label_en-US" xlink:label="lab_pnw_MiscellaneousOtherNonoperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Miscellaneous Other Nonoperating Expense</link:label>
    <link:label id="lab_pnw_MiscellaneousOtherNonoperatingExpense_documentation_en-US" xlink:label="lab_pnw_MiscellaneousOtherNonoperatingExpense" 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 miscellaneous other nonoperating expenses resulting from ancillary business-related activities (that is, excluding major activities considered as a part of the normal operations of the business).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_MiscellaneousOtherNonoperatingExpense" xlink:href="pnw-20210331.xsd#pnw_MiscellaneousOtherNonoperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_MiscellaneousOtherNonoperatingExpense" xlink:to="lab_pnw_MiscellaneousOtherNonoperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RatePlanComparisonToolNumberOfCustomers_baf95013-40ef-4175-aa00-55fa94c0e996_terseLabel_en-US" xlink:label="lab_pnw_RatePlanComparisonToolNumberOfCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate plan comparison tool, number of customers</link:label>
    <link:label id="lab_pnw_RatePlanComparisonToolNumberOfCustomers_label_en-US" xlink:label="lab_pnw_RatePlanComparisonToolNumberOfCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Plan Comparison Tool, Number Of Customers</link:label>
    <link:label id="lab_pnw_RatePlanComparisonToolNumberOfCustomers_documentation_en-US" xlink:label="lab_pnw_RatePlanComparisonToolNumberOfCustomers" 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 Plan Comparison Tool, Number Of Customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RatePlanComparisonToolNumberOfCustomers" xlink:href="pnw-20210331.xsd#pnw_RatePlanComparisonToolNumberOfCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RatePlanComparisonToolNumberOfCustomers" xlink:to="lab_pnw_RatePlanComparisonToolNumberOfCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingin2022and2023Member_025206c8-4cd1-450d-819f-ba9ea93f0794_terseLabel_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingin2022and2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility Maturing in 2022 and 2023</link:label>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingin2022and2023Member_label_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingin2022and2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility Maturing in 2022 and 2023 [Member]</link:label>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingin2022and2023Member_documentation_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingin2022and2023Member" 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">Revolving Credit Facility Maturing in 2022 and 2023 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RevolvingCreditFacilityMaturingin2022and2023Member" xlink:href="pnw-20210331.xsd#pnw_RevolvingCreditFacilityMaturingin2022and2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RevolvingCreditFacilityMaturingin2022and2023Member" xlink:to="lab_pnw_RevolvingCreditFacilityMaturingin2022and2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_479be585-6802-4663-a31f-4bd5eb638a6e_totalLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" 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">Amount Reported&#160;on Balance Sheet</link:label>
    <link:label id="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_label_en-US" xlink:label="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink: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 Assets (Liabilities), at Fair Value, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:to="lab_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_e24ceef1-6517-4cd7-81fc-5ae03753a2e8_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink: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, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink: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, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_9b4e888c-ee80-4e61-8125-d4ead9c63d42_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink: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 Hierarchy and NAV [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_label_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink: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 Hierarchy and NAV [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_TotalDeferredDebits_5ddad1cb-9d92-4ee9-874d-63f98b58aa4b_totalLabel_en-US" xlink:label="lab_pnw_TotalDeferredDebits" 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 deferred debits</link:label>
    <link:label id="lab_pnw_TotalDeferredDebits_label_en-US" xlink:label="lab_pnw_TotalDeferredDebits" xlink: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 Deferred Debits</link:label>
    <link:label id="lab_pnw_TotalDeferredDebits_documentation_en-US" xlink:label="lab_pnw_TotalDeferredDebits" 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">Sum of the carrying amounts as of the balance sheet date of all regulatory assets and other deferred debits that are expected to be recovered through revenue sources (or the normal operating cycle, if longer).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_TotalDeferredDebits" xlink:href="pnw-20210331.xsd#pnw_TotalDeferredDebits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_TotalDeferredDebits" xlink:to="lab_pnw_TotalDeferredDebits" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PensionMember_593d03b3-3179-4a80-929a-d82249f34b41_terseLabel_en-US" xlink:label="lab_pnw_PensionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension</link:label>
    <link:label id="lab_pnw_PensionMember_label_en-US" xlink:label="lab_pnw_PensionMember" xlink: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 [Member]</link:label>
    <link:label id="lab_pnw_PensionMember_documentation_en-US" xlink:label="lab_pnw_PensionMember" 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">Pension [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PensionMember" xlink:href="pnw-20210331.xsd#pnw_PensionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PensionMember" xlink:to="lab_pnw_PensionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersAmountFundedByCustomers_cbd51fb6-d883-492e-b817-faa175643e46_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountFundedByCustomers" xlink: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 funded by customers</link:label>
    <link:label id="lab_pnw_RegulatoryMattersAmountFundedByCustomers_label_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountFundedByCustomers" xlink: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 Matters, Amount Funded By Customers</link:label>
    <link:label id="lab_pnw_RegulatoryMattersAmountFundedByCustomers_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountFundedByCustomers" 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">Regulatory Matters, Amount Funded By Customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersAmountFundedByCustomers" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersAmountFundedByCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersAmountFundedByCustomers" xlink:to="lab_pnw_RegulatoryMattersAmountFundedByCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssetsMember_8c74ab53-360a-40d5-aa66-841d3e9d4653_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsMember" xlink: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 assets</link:label>
    <link:label id="lab_us-gaap_OtherAssetsMember_label_en-US" xlink:label="lab_us-gaap_OtherAssetsMember" xlink: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 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsMember" xlink:to="lab_us-gaap_OtherAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancialInstrumentAxis_0cc24de0-edc9-4ebe-9289-91edae297830_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_FinancialInstrumentAxis_label_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financial Instrument [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="lab_us-gaap_FinancialInstrumentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock_12aa56a8-598a-4e53-8d5e-f5375f8368fa_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock" xlink: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 regulatory liabilities</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock" xlink: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 Regulatory Liabilities [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock" xlink:to="lab_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization_e1c26109-cc47-4fa4-9e5f-21eea8f6a54d_terseLabel_en-US" xlink:label="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" xlink: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 fuel and purchased power amortization</link:label>
    <link:label id="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization_e375c988-82a7-48f5-89ce-51d70153bd3b_negatedLabel_en-US" xlink:label="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" 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">Amounts refunded to customers</link:label>
    <link:label id="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization_label_en-US" xlink:label="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" xlink: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) Deferred Fuel and Purchased Power Amortization</link:label>
    <link:label id="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization_documentation_en-US" xlink:label="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" 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 amortization of deferred fuel and purchased power costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" xlink:href="pnw-20210331.xsd#pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" xlink:to="lab_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingJune2022Member_d40008dd-3553-4a7a-ad78-df2665e2827d_terseLabel_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingJune2022Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving credit facility maturing June 2022</link:label>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingJune2022Member_label_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingJune2022Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revolving Credit Facility Maturing June 2022 [Member]</link:label>
    <link:label id="lab_pnw_RevolvingCreditFacilityMaturingJune2022Member_documentation_en-US" xlink:label="lab_pnw_RevolvingCreditFacilityMaturingJune2022Member" 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">Revolving Credit Facility Maturing June 2022 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RevolvingCreditFacilityMaturingJune2022Member" xlink:href="pnw-20210331.xsd#pnw_RevolvingCreditFacilityMaturingJune2022Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RevolvingCreditFacilityMaturingJune2022Member" xlink:to="lab_pnw_RevolvingCreditFacilityMaturingJune2022Member" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ForwardComponentofPSARate1_f618aa48-2ed2-4706-8373-23d1e3e1fc1f_terseLabel_en-US" xlink:label="lab_pnw_ForwardComponentofPSARate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PSA rate for prior year (in dollars per kWh)</link:label>
    <link:label id="lab_pnw_ForwardComponentofPSARate1_label_en-US" xlink:label="lab_pnw_ForwardComponentofPSARate1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forward Component of PSA Rate1</link:label>
    <link:label id="lab_pnw_ForwardComponentofPSARate1_documentation_en-US" xlink:label="lab_pnw_ForwardComponentofPSARate1" 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">Forward Component of PSA Rate1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ForwardComponentofPSARate1" xlink:href="pnw-20210331.xsd#pnw_ForwardComponentofPSARate1"/>
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    <link:label id="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1ec3b1c2-412e-4084-9dc0-e113895640b0_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink: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 Available-for-sale Securities [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink: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 Available-for-sale Securities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
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    <link:label id="lab_pnw_DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral_84a17c0c-9cfa-4502-99d2-695fa4319b12_totalLabel_en-US" xlink:label="lab_pnw_DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral" 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 Recognized Derivatives</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock_765a89ec-735e-43c4-95f8-a73475abe5c8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Outstanding gross notional amount of derivatives, which represents both purchases and sales (does not reflect net position)</link:label>
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    <link:label id="lab_us-gaap_PublicUtilitiesRequestedDebtCapitalStructurePercentage_79f758c7-837b-43f4-b32f-a670761774a7_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRequestedDebtCapitalStructurePercentage" xlink: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_PublicUtilitiesRequestedDebtCapitalStructurePercentage_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRequestedDebtCapitalStructurePercentage" xlink: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, Requested Debt Capital Structure, Percentage</link:label>
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    <link:label id="lab_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1_24bd89e7-3340-4990-af3f-e6b7d9e84b26_terseLabel_en-US" xlink:label="lab_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Second-year export energy price (in dollars per kWh)</link:label>
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    <link:label id="lab_pnw_TaxCutsandJobsActof2017ExcessDeferredIncomeTaxesMember_050594a1-127a-4e88-a3ed-5dcd49369d4d_terseLabel_en-US" xlink:label="lab_pnw_TaxCutsandJobsActof2017ExcessDeferredIncomeTaxesMember" xlink: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 - ACC - Tax Cuts and Jobs Act</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_6b570b55-7776-44f7-80bc-350a422625ac_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent" xlink: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 current liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent" xlink: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, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent" xlink:to="lab_us-gaap_OtherLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram_3f18ab6a-7cab-47af-bb7b-a5be4725e81e_terseLabel_en-US" xlink:label="lab_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Funding limited income crisis bill program</link:label>
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    <link:label id="lab_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram_documentation_en-US" xlink:label="lab_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram" 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 Matter, Funding Limited Income Crisis Bill Program</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram" xlink:to="lab_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_b630ffc0-b5e0-426f-89ee-1cfd9385394b_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" 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 comprehensive income</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2fbe3112-5bd7-434b-878f-881f6b1bfb6e_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink: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 comprehensive income (loss)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryAssetAxis_573d0044-7b1d-43a8-878d-2642ab7da7f2_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetAxis" xlink: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 [Axis]</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetAxis_label_en-US" xlink:label="lab_us-gaap_RegulatoryAssetAxis" xlink: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 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryAssetAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryAssetAxis" xlink:to="lab_us-gaap_RegulatoryAssetAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ChollaMember_77fe9c84-e84d-44ff-8712-e0cce7adf879_terseLabel_en-US" xlink:label="lab_pnw_ChollaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cholla</link:label>
    <link:label id="lab_pnw_ChollaMember_label_en-US" xlink:label="lab_pnw_ChollaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cholla [Member]</link:label>
    <link:label id="lab_pnw_ChollaMember_documentation_en-US" xlink:label="lab_pnw_ChollaMember" 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">Represent information pertaining to Cholla.</link:label>
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    <link:label id="lab_us-gaap_TaxesExcludingIncomeAndExciseTaxes_00cca89b-51a6-4bdc-9f0b-b6f4db10a8a2_terseLabel_en-US" xlink:label="lab_us-gaap_TaxesExcludingIncomeAndExciseTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Taxes other than income taxes</link:label>
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    <link:label id="lab_us-gaap_AssetsCurrent_e03c3bc4-1259-4b38-9526-482629277338_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:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="lab_us-gaap_AssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_cf2b762b-ab58-4544-9c55-5a0847132d97_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 WEIGHTED-AVERAGE COMMON SHARE OUTSTANDING</link:label>
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    <link:label id="lab_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount_8f578309-b8f3-4e87-9890-0582dd80aa9b_terseLabel_en-US" xlink:label="lab_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial loss exposure to the VIE's noncontrolling equity participants during lease extension period</link:label>
    <link:label id="lab_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount_label_en-US" xlink:label="lab_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink: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, Entity Initial Loss Exposure to Noncontrolling Interests During Lease Extension Period, Amount</link:label>
    <link:label id="lab_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount_documentation_en-US" xlink:label="lab_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" 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">Variable Interest Entity, Entity Initial Loss Exposure to Noncontrolling Interests During Lease Extension Period, Amount</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink:to="lab_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersTextBlock_dbc1ebab-1e7e-4a1a-9a90-f38bf6bb4802_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersTextBlock" xlink: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>
    <link:label id="lab_pnw_RegulatoryMattersTextBlock_label_en-US" xlink:label="lab_pnw_RegulatoryMattersTextBlock" xlink: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 Matters [Text Block]</link:label>
    <link:label id="lab_pnw_RegulatoryMattersTextBlock_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersTextBlock" 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">This element represents Regulatory Matters.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersTextBlock" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersTextBlock" xlink:to="lab_pnw_RegulatoryMattersTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_a245d40e-c441-4983-8df9-013ed133c7f2_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember" xlink: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 Measured at Net Asset Value Per Share</link:label>
    <link:label id="lab_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_label_en-US" xlink:label="lab_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember" xlink: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 Measured at Net Asset Value Per Share [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember" xlink:to="lab_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundBillCredit_343b016a-9b11-463e-a1e2-98a9591f8342_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundBillCredit" xlink: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 support fund, bill credit</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundBillCredit_label_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundBillCredit" xlink: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 Matters, Customer Support Fund, Bill Credit</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundBillCredit_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundBillCredit" 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">Regulatory Matters, Customer Support Fund, Bill Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersCustomerSupportFundBillCredit" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersCustomerSupportFundBillCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersCustomerSupportFundBillCredit" xlink:to="lab_pnw_RegulatoryMattersCustomerSupportFundBillCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_a35a5d78-02f7-463f-a8b2-e3aa299a599a_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension and Other Postretirement Benefits</link:label>
    <link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_label_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink: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 Attributable to Parent [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:to="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations_d7740ac5-9f1e-4882-a7ed-9c1447297c58_terseLabel_en-US" xlink:label="lab_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial pre-65 ultimate health care cost trend rate (as a percent)</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations_label_en-US" xlink:label="lab_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations" xlink: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 used in Calculating Benefit Obligations</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations_documentation_en-US" xlink:label="lab_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations" 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, Ultimate Health Care Cost Trend Rate used in Calculating Benefit Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations" xlink:href="pnw-20210331.xsd#pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations" xlink:to="lab_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_f536d02e-0969-4656-98e3-ba191598463d_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ElectricServiceMember_443b659e-af7e-456f-b08c-02e952d8fc08_terseLabel_en-US" xlink:label="lab_pnw_ElectricServiceMember" xlink: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 Service</link:label>
    <link:label id="lab_pnw_ElectricServiceMember_label_en-US" xlink:label="lab_pnw_ElectricServiceMember" xlink: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 Service [Member]</link:label>
    <link:label id="lab_pnw_ElectricServiceMember_documentation_en-US" xlink:label="lab_pnw_ElectricServiceMember" 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 Service [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ElectricServiceMember" xlink:href="pnw-20210331.xsd#pnw_ElectricServiceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ElectricServiceMember" xlink:to="lab_pnw_ElectricServiceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds_7c1b1828-4b99-4f3e-a5f9-f727f8ef3b24_terseLabel_en-US" xlink:label="lab_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from nuclear decommissioning trust sales and other special use funds</link:label>
    <link:label id="lab_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds_label_en-US" xlink:label="lab_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" xlink: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 Decommissioning Trust Fund Assets And Other Special Use Funds</link:label>
    <link:label id="lab_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds_documentation_en-US" xlink:label="lab_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" 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">Proceeds from Decommissioning Trust Fund Assets And Other Special Use Funds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" xlink:href="pnw-20210331.xsd#pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" xlink:to="lab_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod_4ce30c8a-1632-4e60-bb85-305887085674_terseLabel_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" xlink: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 leases under which assets are retained</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod_label_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" xlink: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 Leaseback Transaction Number of Leases under which Assets Retained Through Specified Period</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod_documentation_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" 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">Represents the number of leases under which assets are retained through a specified period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" xlink:href="pnw-20210331.xsd#pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" xlink:to="lab_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_9d6ca5a6-cdd9-44e5-9d14-24a93e4e2a1c_terseLabel_en-US" xlink:label="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink: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 expense:</link:label>
    <link:label id="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_label_en-US" xlink:label="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink: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 Expense, Nonoperating [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherExpenseDisclosureNonoperatingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink:to="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFilerCategory_a247a7fd-997d-48f9-a272-73f8c8f57bf6_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink: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 Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_label_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink: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 Filer Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityFilerCategory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockMember_12e2c262-4d69-4427-9c42-832d1512a3f4_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock</link:label>
    <link:label id="lab_us-gaap_CommonStockMember_label_en-US" xlink:label="lab_us-gaap_CommonStockMember" xlink: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 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember" xlink:to="lab_us-gaap_CommonStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DemandSideManagementMember_2d543f87-7702-4fde-a99e-64352d98048f_terseLabel_en-US" xlink:label="lab_pnw_DemandSideManagementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand side management</link:label>
    <link:label id="lab_pnw_DemandSideManagementMember_label_en-US" xlink:label="lab_pnw_DemandSideManagementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand Side Management [Member]</link:label>
    <link:label id="lab_pnw_DemandSideManagementMember_documentation_en-US" xlink:label="lab_pnw_DemandSideManagementMember" 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">Demand Side Management [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DemandSideManagementMember" xlink:href="pnw-20210331.xsd#pnw_DemandSideManagementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DemandSideManagementMember" xlink:to="lab_pnw_DemandSideManagementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ProductsAndServicesDomain_2f085dc4-1f8e-4625-b19e-702629d859c9_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>
    <link:label id="lab_srt_ProductsAndServicesDomain_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Product and Service [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain" xlink:to="lab_srt_ProductsAndServicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_0af41cc1-b11c-415d-86da-24418364f1f0_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk Benchmark [Domain]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk Benchmark [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="lab_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff_25a96ab7-662d-4964-9515-1e332f4bbcf7_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff" xlink: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, maximum annual renewable energy standard and tariff</link:label>
    <link:label id="lab_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff_label_en-US" xlink:label="lab_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff" xlink: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, Maximum Annual Renewable Energy Standard and Tariff</link:label>
    <link:label id="lab_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff" 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, Maximum Annual Renewable Energy Standard and Tariff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff" xlink:to="lab_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryAssetsTextBlock_a5d9bd29-b83f-4d4e-8f79-b553b94a7921_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink: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 regulatory assets</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryAssetsTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink: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 Regulatory Assets [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRegulatoryAssetsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink:to="lab_us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NotesReceivableRelatedParties_dbcb3e01-b47a-45b1-89e1-b2fe2c38622e_terseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableRelatedParties" xlink: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 receivable, related parties</link:label>
    <link:label id="lab_us-gaap_NotesReceivableRelatedParties_label_en-US" xlink:label="lab_us-gaap_NotesReceivableRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notes Receivable, Related Parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableRelatedParties" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NotesReceivableRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableRelatedParties" xlink:to="lab_us-gaap_NotesReceivableRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_OtherServicesMember_7f34a24d-3b5b-430b-8cd1-a5a2cd64b0c4_terseLabel_en-US" xlink:label="lab_pnw_OtherServicesMember" xlink: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 Sources</link:label>
    <link:label id="lab_pnw_OtherServicesMember_label_en-US" xlink:label="lab_pnw_OtherServicesMember" xlink: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 Services [Member]</link:label>
    <link:label id="lab_pnw_OtherServicesMember_documentation_en-US" xlink:label="lab_pnw_OtherServicesMember" 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 Services [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_OtherServicesMember" xlink:href="pnw-20210331.xsd#pnw_OtherServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_OtherServicesMember" xlink:to="lab_pnw_OtherServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds_744e2df5-5998-4615-9a40-4cb35e4790f9_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" xlink: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 credits, additional funds</link:label>
    <link:label id="lab_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds_label_en-US" xlink:label="lab_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" xlink: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 Matters, Demand Side Management Funds, Customer Credits, Additional Funds</link:label>
    <link:label id="lab_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" 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">Regulatory Matters, Demand Side Management Funds, Customer Credits, Additional Funds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" xlink:to="lab_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_USCommingledFundsMember_de0220ff-c718-4d62-a3be-8ccaace5f25d_terseLabel_en-US" xlink:label="lab_pnw_USCommingledFundsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">U.S. commingled equity funds</link:label>
    <link:label id="lab_pnw_USCommingledFundsMember_label_en-US" xlink:label="lab_pnw_USCommingledFundsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">U.S. Commingled Funds [Member]</link:label>
    <link:label id="lab_pnw_USCommingledFundsMember_documentation_en-US" xlink:label="lab_pnw_USCommingledFundsMember" 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">A professionally managed investment fund of equity securities established by an investment company regulated by the Securities Exchange Commission or a bank regulated by the Office of the Comptroller of the Currency. The investment fund limits it's investments to equity securities located in the United States.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_USCommingledFundsMember" xlink:href="pnw-20210331.xsd#pnw_USCommingledFundsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_USCommingledFundsMember" xlink:to="lab_pnw_USCommingledFundsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_LostFixedCostRecoveryMember_f9192b8d-0894-4efd-b107-1fe47882152e_terseLabel_en-US" xlink:label="lab_pnw_LostFixedCostRecoveryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lost fixed cost recovery</link:label>
    <link:label id="lab_pnw_LostFixedCostRecoveryMember_label_en-US" xlink:label="lab_pnw_LostFixedCostRecoveryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lost Fixed Cost Recovery [Member]</link:label>
    <link:label id="lab_pnw_LostFixedCostRecoveryMember_documentation_en-US" xlink:label="lab_pnw_LostFixedCostRecoveryMember" 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">Represents the regulatory asset under lost fixed recovery mechanisms.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_LostFixedCostRecoveryMember" xlink:href="pnw-20210331.xsd#pnw_LostFixedCostRecoveryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_LostFixedCostRecoveryMember" xlink:to="lab_pnw_LostFixedCostRecoveryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SettlementAgreementFuelRelatedBaseRateDecrease_13747294-c098-42ce-a798-6eaa0cefdf58_terseLabel_en-US" xlink:label="lab_pnw_SettlementAgreementFuelRelatedBaseRateDecrease" xlink: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-related base rate decrease</link:label>
    <link:label id="lab_pnw_SettlementAgreementFuelRelatedBaseRateDecrease_label_en-US" xlink:label="lab_pnw_SettlementAgreementFuelRelatedBaseRateDecrease" xlink: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 Fuel Related Base Rate Decrease</link:label>
    <link:label id="lab_pnw_SettlementAgreementFuelRelatedBaseRateDecrease_documentation_en-US" xlink:label="lab_pnw_SettlementAgreementFuelRelatedBaseRateDecrease" 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 decrease in fuel-related base rates as per the terms of the settlement agreement of a regulatory matter.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SettlementAgreementFuelRelatedBaseRateDecrease" xlink:href="pnw-20210331.xsd#pnw_SettlementAgreementFuelRelatedBaseRateDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SettlementAgreementFuelRelatedBaseRateDecrease" xlink:to="lab_pnw_SettlementAgreementFuelRelatedBaseRateDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DividendsPayableCurrent_3d3b4315-b9e4-4793-8b2f-0f44d326a6f2_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common dividends payable</link:label>
    <link:label id="lab_us-gaap_DividendsPayableCurrent_label_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Dividends Payable, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsPayableCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableCurrent" xlink:to="lab_us-gaap_DividendsPayableCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2018Member_d7f3ce1a-5360-47b8-a03b-e1c5ce3b901c_terseLabel_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2018Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand Side Management Adjustor Charge 2018</link:label>
    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2018Member_label_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2018Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand Side Management Adjustor Charge 2018 [Member]</link:label>
    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2018Member_documentation_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2018Member" 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">Demand Side Management Adjustor Charge 2018 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DemandSideManagementAdjustorCharge2018Member" xlink:href="pnw-20210331.xsd#pnw_DemandSideManagementAdjustorCharge2018Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DemandSideManagementAdjustorCharge2018Member" xlink:to="lab_pnw_DemandSideManagementAdjustorCharge2018Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate_e1e21148-2189-4e77-b3fa-69b53c129560_terseLabel_en-US" xlink:label="lab_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected environmental cost</link:label>
    <link:label id="lab_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate_label_en-US" xlink:label="lab_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Site Contingency, Loss Exposure Not Accrued, Best Estimate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate" xlink:to="lab_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_9f37e707-0312-43a5-bad5-7abe9eb6715e_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" 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 INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink: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, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_5d20f6fe-5dba-4abd-b5ae-5153158cdf0b_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</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpense" xlink:to="lab_us-gaap_NonoperatingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredCostsAbstract_a365fea7-0cb0-49a1-94b2-19cf53e924bb_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCostsAbstract" xlink: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 DEBITS</link:label>
    <link:label id="lab_us-gaap_DeferredCostsAbstract_label_en-US" xlink:label="lab_us-gaap_DeferredCostsAbstract" xlink: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 Costs [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCostsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredCostsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsAbstract" xlink:to="lab_us-gaap_DeferredCostsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ArizonaRenewableEnergyStandardAndTariffMember_5f89fd1d-9911-430c-81b9-06ed38d64cfc_terseLabel_en-US" xlink:label="lab_pnw_ArizonaRenewableEnergyStandardAndTariffMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">RES</link:label>
    <link:label id="lab_pnw_ArizonaRenewableEnergyStandardAndTariffMember_label_en-US" xlink:label="lab_pnw_ArizonaRenewableEnergyStandardAndTariffMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arizona Renewable Energy Standard and Tariff [Member]</link:label>
    <link:label id="lab_pnw_ArizonaRenewableEnergyStandardAndTariffMember_documentation_en-US" xlink:label="lab_pnw_ArizonaRenewableEnergyStandardAndTariffMember" 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">Represents the RES program which permits a surcharge as part of customer bills to recover approved amounts for use in renewable energy projects.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ArizonaRenewableEnergyStandardAndTariffMember" xlink:href="pnw-20210331.xsd#pnw_ArizonaRenewableEnergyStandardAndTariffMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ArizonaRenewableEnergyStandardAndTariffMember" xlink:to="lab_pnw_ArizonaRenewableEnergyStandardAndTariffMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyNatureDomain_c491ee75-4806-461b-bafc-6ef886513a83_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyNatureDomain" xlink: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 Contingency, Nature [Domain]</link:label>
    <link:label id="lab_us-gaap_LossContingencyNatureDomain_label_en-US" xlink:label="lab_us-gaap_LossContingencyNatureDomain" xlink: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 Contingency, Nature [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyNatureDomain" xlink:to="lab_us-gaap_LossContingencyNatureDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_438d28ca-6547-45c5-8868-753c1dde033f_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities" xlink: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 current liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities" xlink: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 Other Accrued Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherAccruedLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage_962524c8-0115-4f8d-8bcb-72ebdd642111_terseLabel_en-US" xlink:label="lab_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Option to purchase ownership interest (as a percent)</link:label>
    <link:label id="lab_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage_label_en-US" xlink:label="lab_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" xlink: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 Purchase Agreement, Option to Purchase, Ownership Interest, Percentage</link:label>
    <link:label id="lab_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage_documentation_en-US" xlink:label="lab_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" 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">Asset Purchase Agreement, Option to Purchase, Ownership Interest, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" xlink:href="pnw-20210331.xsd#pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" xlink:to="lab_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_20a6462d-6330-44ae-abc6-37d1f6bf6f10_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract" xlink: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_CostsAndExpensesAbstract_label_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Costs and Expenses [Abstract]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesAbstract" xlink:to="lab_us-gaap_CostsAndExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TreasuryStockShares_1b00d437-4508-4fb0-9301-b1c433628eca_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury stock at cost, shares (in shares)</link:label>
    <link:label id="lab_us-gaap_TreasuryStockShares_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares" xlink: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, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockShares" xlink:to="lab_us-gaap_TreasuryStockShares" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember_15b6480e-9535-4caf-994d-d850560b2b2f_terseLabel_en-US" xlink:label="lab_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Breach of Contract for Disposal of Spent Nuclear Fuel and/or High Level Radioactive Waste</link:label>
    <link:label id="lab_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember_label_en-US" xlink:label="lab_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arizona Public Service Company and Palo Verde Owners vs. United States Department of Energy - Spent Nuclear Fuel and Waste Disposal [Member]</link:label>
    <link:label id="lab_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember_documentation_en-US" xlink:label="lab_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember" 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">Arizona Public Service Company and Palo Verde Owners vs. United States Department of Energy - Spent Nuclear Fuel and Waste Disposal [Member]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember" xlink:to="lab_pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedDeferredInvestmentTaxCredit_6b15004c-97df-4792-840a-1f3dfcb720c5_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink: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 investment tax credit</link:label>
    <link:label id="lab_us-gaap_AccumulatedDeferredInvestmentTaxCredit_label_en-US" xlink:label="lab_us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink: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 Deferred Investment Tax Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDeferredInvestmentTaxCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink:to="lab_us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ElectricandTransmissionServiceMember_780d970b-bf79-4f86-82dd-30275532d259_terseLabel_en-US" xlink:label="lab_pnw_ElectricandTransmissionServiceMember" xlink: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 and Transmission Service</link:label>
    <link:label id="lab_pnw_ElectricandTransmissionServiceMember_label_en-US" xlink:label="lab_pnw_ElectricandTransmissionServiceMember" xlink: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 and Transmission Service [Member]</link:label>
    <link:label id="lab_pnw_ElectricandTransmissionServiceMember_documentation_en-US" xlink:label="lab_pnw_ElectricandTransmissionServiceMember" 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 and Transmission Service [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ElectricandTransmissionServiceMember" xlink:href="pnw-20210331.xsd#pnw_ElectricandTransmissionServiceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ElectricandTransmissionServiceMember" xlink:to="lab_pnw_ElectricandTransmissionServiceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryAssetNetBookValue_5a3d742c-ef0b-416d-8db8-ca2385e66a21_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryAssetNetBookValue" xlink: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 book value</link:label>
    <link:label id="lab_pnw_RegulatoryAssetNetBookValue_label_en-US" xlink:label="lab_pnw_RegulatoryAssetNetBookValue" xlink: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, Net Book Value</link:label>
    <link:label id="lab_pnw_RegulatoryAssetNetBookValue_documentation_en-US" xlink:label="lab_pnw_RegulatoryAssetNetBookValue" 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">Regulatory Asset, Net Book Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryAssetNetBookValue" xlink:href="pnw-20210331.xsd#pnw_RegulatoryAssetNetBookValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryAssetNetBookValue" xlink:to="lab_pnw_RegulatoryAssetNetBookValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestPaidNet_3dc23c66-0621-4ad0-a248-6a9c5877e7e5_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet" xlink: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, net of amounts capitalized</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet" xlink: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 Paid, Excluding Capitalized Interest, Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPaidNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidNet" xlink:to="lab_us-gaap_InterestPaidNet" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent_5f4f63f9-2862-48de-aea2-39d5cb725836_terseLabel_en-US" xlink:label="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" xlink: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 fuel and purchased power regulatory asset (Note 4)</link:label>
    <link:label id="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent_label_en-US" xlink:label="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" xlink: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 Fuel and Purchased Power Regulatory Asset, Current</link:label>
    <link:label id="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent_documentation_en-US" xlink:label="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" 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 amount as of the balance sheet date of deferred fuel and purchased power of regulated entities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" xlink:href="pnw-20210331.xsd#pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" xlink:to="lab_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation_691c320c-a507-4001-9196-194620287c7e_terseLabel_en-US" xlink:label="lab_pnw_DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Initial post-65 healthcare cost trend rate (as a percent)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_pnw_DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation" xlink:href="pnw-20210331.xsd#pnw_DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation"/>
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    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_705c3fb6-9005-494b-9c5e-13378e60c055_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" 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 equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_7e50b468-bb49-401d-9803-cf8a3c0fa4c8_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" 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">Balance at beginning of period</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_29db8455-6e96-4b7a-922c-d215550907cc_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" 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">Balance at end of period</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink: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, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_e9ae0aa6-1f91-4fdd-8d91-b30e1a874e4a_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidation and Nature of Operations</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
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    <link:label id="lab_us-gaap_Revenues_11da1a90-b94e-4105-ac42-72b82035e273_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">OPERATING REVENUES (NOTE 2)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_IncomeTaxesPaidNet_6ca00d59-6978-46a8-ab04-f43dd0dc7dd5_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet" 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">Income taxes, net of refunds</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet" xlink: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 Taxes Paid, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaidNet" xlink:to="lab_us-gaap_IncomeTaxesPaidNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyNumberOfDefendants_6f882bb1-ba41-4dba-aff4-db65782fff89_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyNumberOfDefendants" xlink: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 defendants against whom Roosevelt Irrigation District (RID) filed lawsuit</link:label>
    <link:label id="lab_us-gaap_LossContingencyNumberOfDefendants_label_en-US" xlink:label="lab_us-gaap_LossContingencyNumberOfDefendants" xlink: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 Contingency, Number of Defendants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNumberOfDefendants" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNumberOfDefendants"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyNumberOfDefendants" xlink:to="lab_us-gaap_LossContingencyNumberOfDefendants" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax_e58b6672-6e8f-4193-9b1d-9f30efe12d5e_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" 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 gain, tax benefit (expense)</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" xlink: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 Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_eeec5603-ff71-496b-a13e-280be8957795_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink: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 Unrealized Gains</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:to="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_ac96c024-e338-4d78-9ccc-8be7cc1717ef_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">Net income attributable to common shareholders - diluted (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_387656aa-c5f5-4dfc-81cc-41c84daf4453_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">Net income attributable to common shareholders - diluted (in dollars 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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_VariableInterestEntityLineItems_759914c6-146d-4bf2-86d2-a3043f07d003_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">Palo Verde Sale Leaseback Variable Interest Entities</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems" xlink: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 [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityLineItems" xlink:to="lab_us-gaap_VariableInterestEntityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodThrough2033Member_2f68f138-8b75-4bb7-b089-b7f76be24ec8_terseLabel_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodThrough2033Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Period through 2033</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodThrough2033Member_label_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodThrough2033Member" xlink: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 Leaseback Transaction Period Through 2033 [Member]</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodThrough2033Member_documentation_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodThrough2033Member" 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">Represents information pertaining to sale and leaseback period through 2033.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SaleLeasebackTransactionPeriodThrough2033Member" xlink:href="pnw-20210331.xsd#pnw_SaleLeasebackTransactionPeriodThrough2033Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SaleLeasebackTransactionPeriodThrough2033Member" xlink:to="lab_pnw_SaleLeasebackTransactionPeriodThrough2033Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_ae5b4a04-a1b2-417b-8d79-b8fdd0caebd4_negatedLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" 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">Total Unrealized Losses</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:to="lab_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CommonStockValueCommonAndTreasury_f437d59b-985f-4d69-b285-836873ba3ee5_totalLabel_en-US" xlink:label="lab_pnw_CommonStockValueCommonAndTreasury" 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 common stock</link:label>
    <link:label id="lab_pnw_CommonStockValueCommonAndTreasury_label_en-US" xlink:label="lab_pnw_CommonStockValueCommonAndTreasury" xlink: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, Value, Common And Treasury</link:label>
    <link:label id="lab_pnw_CommonStockValueCommonAndTreasury_documentation_en-US" xlink:label="lab_pnw_CommonStockValueCommonAndTreasury" 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, Value, Common And Treasury</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CommonStockValueCommonAndTreasury" xlink:href="pnw-20210331.xsd#pnw_CommonStockValueCommonAndTreasury"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CommonStockValueCommonAndTreasury" xlink:to="lab_pnw_CommonStockValueCommonAndTreasury" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_29e95322-7820-4f38-b930-0c7f7ac17807_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/2020/dei-2020-01-31.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_dei_EntityEmergingGrowthCompany_320fcc48-84dc-41a8-8034-e4a54d1569b7_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink: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 Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink: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 Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_2ef8ac64-9719-4a69-b3d8-afcc94455e92_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink: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 income taxes</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink: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 Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_4670bfef-ccf4-44b8-b5c4-159b8606dcbb_negatedLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" 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">Gross Recognized Derivatives</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_20dbc294-d210-4b51-a907-4fe936cfff8c_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" 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">Gross derivative liability</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink: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 Liability, Fair Value, Gross Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_TransmissionCostAdjustorMember_810cdc18-7da0-4cd6-9bc5-681eca5f05ee_terseLabel_en-US" xlink:label="lab_pnw_TransmissionCostAdjustorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TCA balancing account</link:label>
    <link:label id="lab_pnw_TransmissionCostAdjustorMember_label_en-US" xlink:label="lab_pnw_TransmissionCostAdjustorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transmission Cost Adjustor [Member]</link:label>
    <link:label id="lab_pnw_TransmissionCostAdjustorMember_documentation_en-US" xlink:label="lab_pnw_TransmissionCostAdjustorMember" 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">Transmission Cost Adjustor [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_TransmissionCostAdjustorMember" xlink:href="pnw-20210331.xsd#pnw_TransmissionCostAdjustorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_TransmissionCostAdjustorMember" xlink:to="lab_pnw_TransmissionCostAdjustorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DefinedBenefitPlanEmployerContributionsAbstract_51c1ab99-b974-40d3-9d78-9a462541ba66_terseLabel_en-US" xlink:label="lab_pnw_DefinedBenefitPlanEmployerContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contributions</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlanEmployerContributionsAbstract_label_en-US" xlink:label="lab_pnw_DefinedBenefitPlanEmployerContributionsAbstract" xlink: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 Employer Contributions [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DefinedBenefitPlanEmployerContributionsAbstract" xlink:href="pnw-20210331.xsd#pnw_DefinedBenefitPlanEmployerContributionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DefinedBenefitPlanEmployerContributionsAbstract" xlink:to="lab_pnw_DefinedBenefitPlanEmployerContributionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_4b633140-2668-4cd8-99db-4b0fc53dbf63_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="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.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_NoncontrollingInterestMember_06d29d02-bc6d-427e-8d71-dd5ab28e0664_verboseLabel_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestMember" 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">Noncontrolling Interests</link:label>
    <link:label id="lab_us-gaap_NoncontrollingInterestMember_label_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestMember" xlink: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 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncontrollingInterestMember" xlink:to="lab_us-gaap_NoncontrollingInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesRateMattersApprovedAbstract_f73acd33-762f-48f5-b091-46e731304cd4_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRateMattersApprovedAbstract" xlink: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</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesRateMattersApprovedAbstract_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRateMattersApprovedAbstract" xlink: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, Rate Matters, Approved [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRateMattersApprovedAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilitiesRateMattersApprovedAbstract"/>
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    <link:label id="lab_pnw_RetailNonResidentialMember_2797f122-668b-41d7-a464-c720968da9d9_terseLabel_en-US" xlink:label="lab_pnw_RetailNonResidentialMember" xlink: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-Residential</link:label>
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    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_126f894d-7458-4c42-bb8b-48af43c8a3e1_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink: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 of assets and liabilities that are measured at fair value on a recurring basis</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_5019c367-da0f-481f-866a-e6bf0ddb5c48_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable" 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 receivable</link:label>
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    <link:label id="lab_pnw_FourCornersMember_00bf09e5-d865-4e30-a523-5ce8d3c75b28_terseLabel_en-US" xlink:label="lab_pnw_FourCornersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Four Corners</link:label>
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    <link:label id="lab_pnw_FourCornersMember_documentation_en-US" xlink:label="lab_pnw_FourCornersMember" 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">Represent information pertaining to Four Corners.</link:label>
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    <link:label id="lab_us-gaap_InvestmentTypeCategorizationMember_4b879883-9bc9-48ff-a1a0-31febe592931_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink: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 [Domain]</link:label>
    <link:label id="lab_us-gaap_InvestmentTypeCategorizationMember_label_en-US" xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
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    <link:label id="lab_us-gaap_OffsettingLiabilitiesTableTextBlock_c8290ae9-474e-4c18-9633-804ab00844b3_terseLabel_en-US" xlink:label="lab_us-gaap_OffsettingLiabilitiesTableTextBlock" xlink: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 offsetting liabilities</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OffsettingLiabilitiesTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OffsettingLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OffsettingLiabilitiesTableTextBlock" xlink:to="lab_us-gaap_OffsettingLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherNonoperatingExpense_5118399e-8322-4eac-92b3-fc46de9637ec_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingExpense" 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 expense (Note 9)</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingExpense" xlink:to="lab_us-gaap_OtherNonoperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_8af039bc-98e9-48d9-8107-4ba076bb5537_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&#160;Benefits</link:label>
    <link:label id="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_label_en-US" xlink:label="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink: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 Postretirement Benefits Plan [Member]</link:label>
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    <link:label id="lab_dei_TradingSymbol_e5d24bd7-92e5-4c9c-a668-78467bb457ef_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>
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    <link:label id="lab_pnw_InvestmentsAndOtherAssetsAbstract_59a5daa0-175b-46e0-be6f-42ce5d45be76_terseLabel_en-US" xlink:label="lab_pnw_InvestmentsAndOtherAssetsAbstract" xlink: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 AND OTHER ASSETS</link:label>
    <link:label id="lab_pnw_InvestmentsAndOtherAssetsAbstract_label_en-US" xlink:label="lab_pnw_InvestmentsAndOtherAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investments and Other Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_InvestmentsAndOtherAssetsAbstract" xlink:href="pnw-20210331.xsd#pnw_InvestmentsAndOtherAssetsAbstract"/>
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    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_5414b2d2-cd43-4078-a141-361e76b223a6_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink: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 weighted-average common share outstanding</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract"/>
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    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_93d6e502-48bc-487f-8346-8a7decdbb2c1_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:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilityAxis_8b9fb021-ead7-4234-8fb7-86a8b65567b4_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>
    <link:label id="lab_us-gaap_RegulatoryLiabilityAxis_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityAxis" xlink: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 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryLiabilityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryLiabilityAxis" xlink:to="lab_us-gaap_RegulatoryLiabilityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_JointlyOwnedUtilityPlantAxis_dcdec534-796d-4411-82df-76322e4d739e_terseLabel_en-US" xlink:label="lab_us-gaap_JointlyOwnedUtilityPlantAxis" xlink: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 Utility Plant [Axis]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantAxis" xlink:to="lab_us-gaap_JointlyOwnedUtilityPlantAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_MiscellaneousOtherNonoperatingIncome_4ab975a5-070a-4702-af08-9f43e3b15119_terseLabel_en-US" xlink:label="lab_pnw_MiscellaneousOtherNonoperatingIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Miscellaneous</link:label>
    <link:label id="lab_pnw_MiscellaneousOtherNonoperatingIncome_label_en-US" xlink:label="lab_pnw_MiscellaneousOtherNonoperatingIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Miscellaneous Other Nonoperating Income</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_pnw_MiscellaneousOtherNonoperatingIncome" xlink:href="pnw-20210331.xsd#pnw_MiscellaneousOtherNonoperatingIncome"/>
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    <link:label id="lab_dei_EntityShellCompany_d6427eea-affd-4fed-bbdd-e4fcf89a8175_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>
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    <link:label id="lab_pnw_RateMatterApproximatePercentageofIncreaseinAverageCustomerBill_1059c143-7dfb-492d-8aa9-9aa26b537a6c_terseLabel_en-US" xlink:label="lab_pnw_RateMatterApproximatePercentageofIncreaseinAverageCustomerBill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Approximate percentage of increase in average customer bill</link:label>
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    <link:label id="lab_pnw_RegulatoryImpactOperatingResults_b6254ea8-e3cd-40da-aaf4-9b07078ace21_verboseLabel_en-US" xlink:label="lab_pnw_RegulatoryImpactOperatingResults" 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">Annual increase in retail base rates</link:label>
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    <link:label id="lab_us-gaap_RegulatoryAgencyDomain_c27fa9b5-32dc-47b3-a6e9-61c24ec6ed1c_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAgencyDomain" xlink: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 [Domain]</link:label>
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    <link:label id="lab_dei_DocumentType_ea0c4a41-a5e2-443b-81ea-c24661b3104d_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
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    <link:label id="lab_us-gaap_InterestCostsIncurred_a4fe0679-ee2e-464f-aa5e-3ade5a701254_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 charges</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_a8b3e48a-7f48-4ee3-bebf-603c869380f1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink: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 relating to the VIEs included in Condensed Consolidated Balance Sheets</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:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockMember" xlink:to="lab_us-gaap_TreasuryStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NavajoPlantMember_45e2908d-a9c5-4378-8dfc-43aaee030a8d_terseLabel_en-US" xlink:label="lab_pnw_NavajoPlantMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Plant</link:label>
    <link:label id="lab_pnw_NavajoPlantMember_label_en-US" xlink:label="lab_pnw_NavajoPlantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Plant [Member]</link:label>
    <link:label id="lab_pnw_NavajoPlantMember_documentation_en-US" xlink:label="lab_pnw_NavajoPlantMember" 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">Represent information pertaining to Navajo Plant.</link:label>
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract_5089f262-bf38-410f-a394-be9da8e419df_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract" xlink: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 of fixed income securities, summarized by contractual maturities</link:label>
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    <link:label id="lab_pnw_CollateralAssuranceBasedOnRatingTriggers_7df00ea1-d9a8-451b-b149-6c0b212d4f09_terseLabel_en-US" xlink:label="lab_pnw_CollateralAssuranceBasedOnRatingTriggers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Collateral assurance provided based on rating triggers</link:label>
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    <link:label id="lab_pnw_CollateralAssuranceBasedOnRatingTriggers_documentation_en-US" xlink:label="lab_pnw_CollateralAssuranceBasedOnRatingTriggers" 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">Represents the collateral assurance provided that depends upon rating triggers such as a rating downgrade to non-investment grade under NEIL policies.</link:label>
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    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_cb7062b6-f410-4be5-87f4-a9309b6d1780_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink: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 Plans and Other Postretirement Benefits</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_4d8147a4-1295-4c49-84d3-03c216ba5dc1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink: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 changes in accumulated other comprehensive loss including reclassification adjustments, net of tax, by component</link:label>
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    <link:label id="lab_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate_feb11091-9e2f-4fc9-a433-5eae8ad4620a_terseLabel_en-US" xlink:label="lab_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Site contingency increase in loss exposure not accrued, best estimate</link:label>
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    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_cc49e519-2838-4eef-9172-36c78d9bbdbd_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">Level&#160;3</link:label>
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    <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_us-gaap_DerivativeAssets_ea7c915f-4547-471b-b49b-375b4e828e07_totalLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets" 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">Amount Reported&#160;on Balance Sheet</link:label>
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    <link:label id="lab_pnw_DeferredGainsonUtilityPropertyMember_d922e5c5-8eeb-4516-a185-702e38d1fd90_terseLabel_en-US" xlink:label="lab_pnw_DeferredGainsonUtilityPropertyMember" xlink: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 gains on utility property</link:label>
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    <link:label id="lab_pnw_NavajoNationGenerationStationMember_3ce688a6-7e33-44d7-bf61-db6f57455e9a_terseLabel_en-US" xlink:label="lab_pnw_NavajoNationGenerationStationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Nation, Generation Station</link:label>
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    <link:label id="lab_pnw_NuclearDecommissioningTrustsMember_b639b3b7-5d42-46a8-b749-96e6d98bf111_terseLabel_en-US" xlink:label="lab_pnw_NuclearDecommissioningTrustsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nuclear Decommissioning Trust</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_pnw_CommitmentsAndContingenciesLineItems" xlink:href="pnw-20210331.xsd#pnw_CommitmentsAndContingenciesLineItems"/>
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_703a8eb9-6de3-430f-85b1-6850e2daca33_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">1 year &#8211; 5 years</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink: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 Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five</link:label>
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    <link:label id="lab_pnw_LineOfCreditFacilityNumberOfAgreements_71e981af-1403-44f3-bf0e-51fd27186cde_terseLabel_en-US" xlink:label="lab_pnw_LineOfCreditFacilityNumberOfAgreements" xlink: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 line of credit facilities</link:label>
    <link:label id="lab_pnw_LineOfCreditFacilityNumberOfAgreements_label_en-US" xlink:label="lab_pnw_LineOfCreditFacilityNumberOfAgreements" xlink: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 Facility, Number of Agreements</link:label>
    <link:label id="lab_pnw_LineOfCreditFacilityNumberOfAgreements_documentation_en-US" xlink:label="lab_pnw_LineOfCreditFacilityNumberOfAgreements" 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">Represents the number of line of credit facilities.</link:label>
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    <link:label id="lab_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde_12f75ab1-8e33-4ba6-8d2e-5c0bef0eb9e2_terseLabel_en-US" xlink:label="lab_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde" xlink: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 of "all risk" (including nuclear hazards) insurance for property damage to, and decontamination of, property at Palo Verde</link:label>
    <link:label id="lab_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde_label_en-US" xlink:label="lab_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">All Risk Insurance for Property Damage and Decontamination at Palo Verde</link:label>
    <link:label id="lab_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde_documentation_en-US" xlink:label="lab_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde" 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">Represents the "all risk" (including nuclear hazards) insurance for property damage to, and decontamination of, property at Palo Verde of which a substantial portion must first be applied to stabilization and decontamination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde" xlink:href="pnw-20210331.xsd#pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde"/>
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    <link:label id="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_6c4dfb71-e369-4b92-849c-8b1d677cc612_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink: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 income taxes</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink: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 Liabilities, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="lab_us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EnvironmentalRemediationContingencyAxis_1ad6d559-9c04-43c9-9d0f-ab465ca990a0_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationContingencyAxis" xlink: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 Contingency [Axis]</link:label>
    <link:label id="lab_us-gaap_EnvironmentalRemediationContingencyAxis_label_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationContingencyAxis" xlink: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 Contingency [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationContingencyAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EnvironmentalRemediationContingencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalRemediationContingencyAxis" xlink:to="lab_us-gaap_EnvironmentalRemediationContingencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_4deb5bbe-92db-4c48-9b6f-59ba75d854e9_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink: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 Accounting</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_62412274-c223-47d4-a2ba-19a80503996d_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible assets, net of accumulated amortization</link:label>
    <link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_2fabcca1-876d-4db4-a16a-a52719ed04b3_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss" 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">OPERATING INCOME</link:label>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss" xlink: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 Income (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss" xlink:to="lab_us-gaap_OperatingIncomeLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_f0230fec-eecf-46ed-835c-597f8cdb25fe_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" 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 Recognized Derivatives</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink: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 Liability, Fair Value, Amount Not Offset Against Collateral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_879c44ac-c499-4bc2-a5ee-5005bfa0e365_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink: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 Business Acquisitions, by Acquisition [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink: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 Business Acquisitions, by Acquisition [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_44de0be9-41a8-4a41-8d23-b010949582cb_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 AND CONTINGENCIES (NOTE 8)</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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"/>
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    <link:label id="lab_us-gaap_DeferredCreditsAndOtherLiabilities_472e2169-ff12-488b-9b65-e7251fe4dc0b_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredCreditsAndOtherLiabilities" 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 deferred credits and other</link:label>
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    <link:label id="lab_us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement_6c57334e-2bd5-49ee-8b9e-66267d01700e_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement" 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">Other</link:label>
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    <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"/>
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    <link:label id="lab_us-gaap_AssetRetirementObligation_0ebd5b07-d035-426e-9db4-0b046e42d7b4_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligation" 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">Liabilities for asset retirements</link:label>
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    <link:label id="lab_us-gaap_NuclearFuelNetOfAmortization_88aaa5aa-0fcc-463c-be69-f633c32b47db_terseLabel_en-US" xlink:label="lab_us-gaap_NuclearFuelNetOfAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nuclear fuel, net of accumulated amortization</link:label>
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    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_027f71fd-76f5-4f2d-b782-1703fc80d276_verboseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" 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">Operating revenues</link:label>
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    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2019Member_documentation_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2019Member" 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">Demand Side Management Adjustor Charge 2019 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DemandSideManagementAdjustorCharge2019Member" xlink:href="pnw-20210331.xsd#pnw_DemandSideManagementAdjustorCharge2019Member"/>
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    <link:label id="lab_us-gaap_ProceedsFromContributionInAidOfConstruction_ca3690cc-8c5e-4b11-8497-a81fa93fc677_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromContributionInAidOfConstruction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contributions in aid of construction</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromContributionInAidOfConstruction" xlink:to="lab_us-gaap_ProceedsFromContributionInAidOfConstruction" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilityDomain_3804d56c-899e-4c2d-9b64-5145e874d87a_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityDomain" xlink: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 [Domain]</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityDomain_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityDomain" xlink: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 [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryLiabilityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryLiabilityDomain" xlink:to="lab_us-gaap_RegulatoryLiabilityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage_145ee0d1-4c31-4f1c-8d3b-804461b75721_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock equity</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage" xlink: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, Requested Equity Cost Of Capital, Percentage</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage" 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 Equity Cost Of Capital, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage"/>
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    <link:label id="lab_pnw_RegulatoryMattersDemandSideManagementFunds_cccad1ef-e52f-4e0d-94f4-c80d590c150a_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersDemandSideManagementFunds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand side management funds</link:label>
    <link:label id="lab_pnw_RegulatoryMattersDemandSideManagementFunds_label_en-US" xlink:label="lab_pnw_RegulatoryMattersDemandSideManagementFunds" xlink: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 Matters, Demand Side Management Funds</link:label>
    <link:label id="lab_pnw_RegulatoryMattersDemandSideManagementFunds_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersDemandSideManagementFunds" 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">Regulatory Matters, Demand Side Management Funds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersDemandSideManagementFunds" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersDemandSideManagementFunds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersDemandSideManagementFunds" xlink:to="lab_pnw_RegulatoryMattersDemandSideManagementFunds" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_664823b0-4d70-426b-b93d-544541f79113_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis" xlink: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 Acquisition [Axis]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis" xlink: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 Acquisition [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAxis" xlink:to="lab_us-gaap_BusinessAcquisitionAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilityProgramDomain_7b8a7615-895d-424a-918a-7cab6f2aaf3a_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilityProgramDomain" xlink: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 Utility, Program [Domain]</link:label>
    <link:label id="lab_pnw_PublicUtilityProgramDomain_label_en-US" xlink:label="lab_pnw_PublicUtilityProgramDomain" xlink: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 Utility, Program [Domain]</link:label>
    <link:label id="lab_pnw_PublicUtilityProgramDomain_documentation_en-US" xlink:label="lab_pnw_PublicUtilityProgramDomain" 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 Public Utility, Program [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilityProgramDomain" xlink:href="pnw-20210331.xsd#pnw_PublicUtilityProgramDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilityProgramDomain" xlink:to="lab_pnw_PublicUtilityProgramDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_GainContingencyNewClaimsFiledNumber_9976be60-d799-45eb-bf04-3015d87a9adf_terseLabel_en-US" xlink:label="lab_pnw_GainContingencyNewClaimsFiledNumber" xlink: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 claims submitted</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems_2ee4363e-5332-47ae-95c6-f816585d457b_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink: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 Plans and Other Benefits</link:label>
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    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodThrough2023Member_label_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodThrough2023Member" xlink: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 Leaseback Transaction Period Through 2023 [Member]</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodThrough2023Member_documentation_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodThrough2023Member" 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">Represents information pertaining to sale and leaseback period through 2023.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SaleLeasebackTransactionPeriodThrough2023Member" xlink:href="pnw-20210331.xsd#pnw_SaleLeasebackTransactionPeriodThrough2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SaleLeasebackTransactionPeriodThrough2023Member" xlink:to="lab_pnw_SaleLeasebackTransactionPeriodThrough2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScenarioForecastMember_3ef3d337-1f3e-4b3e-a368-b48b90ae04f0_terseLabel_en-US" xlink:label="lab_srt_ScenarioForecastMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forecast</link:label>
    <link:label id="lab_srt_ScenarioForecastMember_label_en-US" xlink:label="lab_srt_ScenarioForecastMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Forecast [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioForecastMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScenarioForecastMember" xlink:to="lab_srt_ScenarioForecastMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestPayableCurrent_ad985690-f797-47f4-a789-053cb1707c47_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued interest</link:label>
    <link:label id="lab_us-gaap_InterestPayableCurrent_label_en-US" xlink:label="lab_us-gaap_InterestPayableCurrent" xlink: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 Payable, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPayableCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPayableCurrent" xlink:to="lab_us-gaap_InterestPayableCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_0afe497b-7d24-41dc-bd6d-132cd4158569_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems" xlink: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 [Line Items]</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems" xlink: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 [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilitiesGeneralDisclosuresLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems" xlink:to="lab_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CreditFacilityAxis_c91d262b-feee-4c62-a716-83eb04002369_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_6d9324fd-d2cb-4120-a9d9-4235410512ca_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Greater than 10 years</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink: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 Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_a24d9ec5-30cd-4e5a-b14f-2ec8b38d88fb_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Realized gains and losses and proceeds from the sale of securities by the nuclear decommissioning trust funds</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" xlink: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 Securities, Available-for-sale, Realized Gain (Loss) [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeLiabilitiesNoncurrent_c29fbbfb-dce1-4cec-be51-1e3ff2858b13_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilitiesNoncurrent" xlink: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 from risk management activities (Note 7)</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilitiesNoncurrent_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilitiesNoncurrent" xlink: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 Liability, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilitiesNoncurrent" xlink:to="lab_us-gaap_DerivativeLiabilitiesNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ScheduleOfCommitmentsAndContingenciesTable_78b2a1e4-efd3-4cbf-8445-b26c7dc37d20_terseLabel_en-US" xlink:label="lab_pnw_ScheduleOfCommitmentsAndContingenciesTable" xlink: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 Commitments and Contingencies [Table]</link:label>
    <link:label id="lab_pnw_ScheduleOfCommitmentsAndContingenciesTable_label_en-US" xlink:label="lab_pnw_ScheduleOfCommitmentsAndContingenciesTable" xlink: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 Commitments and Contingencies [Table]</link:label>
    <link:label id="lab_pnw_ScheduleOfCommitmentsAndContingenciesTable_documentation_en-US" xlink:label="lab_pnw_ScheduleOfCommitmentsAndContingenciesTable" 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">Discloses the specific components of significant arrangements in which the entity has agreed to expend funds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ScheduleOfCommitmentsAndContingenciesTable" xlink:href="pnw-20210331.xsd#pnw_ScheduleOfCommitmentsAndContingenciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ScheduleOfCommitmentsAndContingenciesTable" xlink:to="lab_pnw_ScheduleOfCommitmentsAndContingenciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossOnReacquiredDebtMember_910e2510-1dda-472c-b352-3e10f56fceaa_terseLabel_en-US" xlink:label="lab_us-gaap_LossOnReacquiredDebtMember" xlink: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_us-gaap_LossOnReacquiredDebtMember_label_en-US" xlink:label="lab_us-gaap_LossOnReacquiredDebtMember" xlink: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 on Reacquired Debt [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossOnReacquiredDebtMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossOnReacquiredDebtMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossOnReacquiredDebtMember" xlink:to="lab_us-gaap_LossOnReacquiredDebtMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CustomerSupportFundPastDueBalanceThreshold_2c5ded6a-c264-4a98-85ce-20869891f0e2_terseLabel_en-US" xlink:label="lab_pnw_CustomerSupportFundPastDueBalanceThreshold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Past due balance threshold qualifying for payment extension</link:label>
    <link:label id="lab_pnw_CustomerSupportFundPastDueBalanceThreshold_label_en-US" xlink:label="lab_pnw_CustomerSupportFundPastDueBalanceThreshold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer Support Fund, Past Due Balance Threshold</link:label>
    <link:label id="lab_pnw_CustomerSupportFundPastDueBalanceThreshold_documentation_en-US" xlink:label="lab_pnw_CustomerSupportFundPastDueBalanceThreshold" 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">Customer Support Fund, Past Due Balance Threshold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CustomerSupportFundPastDueBalanceThreshold" xlink:href="pnw-20210331.xsd#pnw_CustomerSupportFundPastDueBalanceThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CustomerSupportFundPastDueBalanceThreshold" xlink:to="lab_pnw_CustomerSupportFundPastDueBalanceThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_740d66a0-b172-4930-84b4-6ee264748cb9_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Shareholders' Equity</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink: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 Stockholders' Equity [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_TotalInvestmentsAndOtherAssets_0955efe3-43ba-403a-9104-4bad655ff160_totalLabel_en-US" xlink:label="lab_pnw_TotalInvestmentsAndOtherAssets" 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 investments and other assets</link:label>
    <link:label id="lab_pnw_TotalInvestmentsAndOtherAssets_label_en-US" xlink:label="lab_pnw_TotalInvestmentsAndOtherAssets" xlink: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 Investments and Other Assets</link:label>
    <link:label id="lab_pnw_TotalInvestmentsAndOtherAssets_documentation_en-US" xlink:label="lab_pnw_TotalInvestmentsAndOtherAssets" 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">Sum of the carrying amounts as of the balance sheet date of all investments and other assets that are expected to be realized in cash, sold, or consumed at a future date that exceeds one year from the balance sheet date. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_TotalInvestmentsAndOtherAssets" xlink:href="pnw-20210331.xsd#pnw_TotalInvestmentsAndOtherAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_TotalInvestmentsAndOtherAssets" xlink:to="lab_pnw_TotalInvestmentsAndOtherAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SuretyBondsExpiringin2020Member_8a4dd1e3-c350-4b23-b0e7-df6d14f94f6b_terseLabel_en-US" xlink:label="lab_pnw_SuretyBondsExpiringin2020Member" xlink: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 Bonds Expiring in 2020</link:label>
    <link:label id="lab_pnw_SuretyBondsExpiringin2020Member_label_en-US" xlink:label="lab_pnw_SuretyBondsExpiringin2020Member" xlink: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 Bonds Expiring in 2020 [Member]</link:label>
    <link:label id="lab_pnw_SuretyBondsExpiringin2020Member_documentation_en-US" xlink:label="lab_pnw_SuretyBondsExpiringin2020Member" 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">Surety Bonds Expiring in 2020 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SuretyBondsExpiringin2020Member" xlink:href="pnw-20210331.xsd#pnw_SuretyBondsExpiringin2020Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SuretyBondsExpiringin2020Member" xlink:to="lab_pnw_SuretyBondsExpiringin2020Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_d51923f8-17df-4ca4-babb-10f86a279ca3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink: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 earnings per weighted average common share outstanding</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink: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 Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMatterFixedCostRecoverablePerPowerLost1_83e11d22-635c-49ca-b677-ac98a7b9dc19_terseLabel_en-US" xlink:label="lab_pnw_RateMatterFixedCostRecoverablePerPowerLost1" xlink: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 cost recoverable per power lost (in dollars per kWh)</link:label>
    <link:label id="lab_pnw_RateMatterFixedCostRecoverablePerPowerLost1_label_en-US" xlink:label="lab_pnw_RateMatterFixedCostRecoverablePerPowerLost1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matter, Fixed Cost Recoverable Per Power Lost1</link:label>
    <link:label id="lab_pnw_RateMatterFixedCostRecoverablePerPowerLost1_documentation_en-US" xlink:label="lab_pnw_RateMatterFixedCostRecoverablePerPowerLost1" 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 Matter, Fixed Cost Recoverable Per Power Lost1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMatterFixedCostRecoverablePerPowerLost1" xlink:href="pnw-20210331.xsd#pnw_RateMatterFixedCostRecoverablePerPowerLost1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMatterFixedCostRecoverablePerPowerLost1" xlink:to="lab_pnw_RateMatterFixedCostRecoverablePerPowerLost1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentCreditMember_09d305db-ff41-4a32-a4a2-b011133347e1_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentCreditMember" xlink: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 &#8212; investment tax credit basis adjustment</link:label>
    <link:label id="lab_us-gaap_InvestmentCreditMember_06cdbc07-4b81-453a-8081-0a8407f7fa44_verboseLabel_en-US" xlink:label="lab_us-gaap_InvestmentCreditMember" 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">Income taxes &#8212; deferred investment tax credit</link:label>
    <link:label id="lab_us-gaap_InvestmentCreditMember_label_en-US" xlink:label="lab_us-gaap_InvestmentCreditMember" xlink: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 Tax Credit Carryforward [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentCreditMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentCreditMember" xlink:to="lab_us-gaap_InvestmentCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_IncreaseDecreaseInOtherNonCurrentAssets_b3754a2e-a1d0-4eae-a1c7-a2665894caa2_negatedLabel_en-US" xlink:label="lab_pnw_IncreaseDecreaseInOtherNonCurrentAssets" 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">Change in other long-term assets</link:label>
    <link:label id="lab_pnw_IncreaseDecreaseInOtherNonCurrentAssets_label_en-US" xlink:label="lab_pnw_IncreaseDecreaseInOtherNonCurrentAssets" xlink: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 Other Non-Current Assets</link:label>
    <link:label id="lab_pnw_IncreaseDecreaseInOtherNonCurrentAssets_documentation_en-US" xlink:label="lab_pnw_IncreaseDecreaseInOtherNonCurrentAssets" 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">Increase (Decrease) In Other Non-Current Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_IncreaseDecreaseInOtherNonCurrentAssets" xlink:href="pnw-20210331.xsd#pnw_IncreaseDecreaseInOtherNonCurrentAssets"/>
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    <link:label id="lab_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract_fc84b4e4-759c-4bac-bdb6-6917ad8d94cd_terseLabel_en-US" xlink:label="lab_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract" xlink: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:</link:label>
    <link:label id="lab_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract_label_en-US" xlink:label="lab_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortization of Prior Service Cost and Net Actuarial Loss [Abstract]</link:label>
    <link:label id="lab_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract_documentation_en-US" xlink:label="lab_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract" 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">Amortization of Prior Service Cost and Net Actuarial Loss [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract" xlink:href="pnw-20210331.xsd#pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract"/>
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    <link:label id="lab_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram_0874a0fb-5de8-4b18-b59a-36e5f63e713f_terseLabel_en-US" xlink:label="lab_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Remaining nuclear liability insurance through mandatory industry wide retrospective assessment program</link:label>
    <link:label id="lab_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram_label_en-US" xlink:label="lab_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Remaining Nuclear Liability Insurance Through Mandatory Industry Wide Retrospective Assessment Program</link:label>
    <link:label id="lab_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram_documentation_en-US" xlink:label="lab_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram" 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">Represents the remaining nuclear liability insurance that is provided through mandatory industry wide retrospective assessment program.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram" xlink:href="pnw-20210331.xsd#pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram" xlink:to="lab_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_39ef9983-2e85-4422-ba2c-8d5a88d33c8d_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" 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">Pension and other postretirement benefits activity, tax expense</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink: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 Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCredit_1c9e08dc-5a7f-4ec3-985b-66612c215ffe_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit" xlink: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 line of credit</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_label_en-US" xlink:label="lab_us-gaap_LineOfCredit" xlink: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 Line of Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit" xlink:to="lab_us-gaap_LineOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment_9fdf8a8c-5a83-4c51-883a-190514aba977_terseLabel_en-US" xlink:label="lab_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment" xlink: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 payment limitation with respect to maximum potential retrospective premium assessment</link:label>
    <link:label id="lab_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment_label_en-US" xlink:label="lab_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment" xlink: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 Payment Limitation with Respect to Maximum Potential Retrospective Assessment</link:label>
    <link:label id="lab_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment_documentation_en-US" xlink:label="lab_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment" 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">Represents the annual payment limitation with respect to maximum potential retrospective assessment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment" xlink:href="pnw-20210331.xsd#pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment" xlink:to="lab_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis_8118c7ed-d460-4eaa-9ee6-b06c1c5c502a_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis" xlink: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, Regulatory Matters [Axis]</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis" xlink: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, Regulatory Matters [Axis]</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis" 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">Represents information by various regulatory matters.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis" xlink:to="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherInvestmentsMember_77c09461-9544-4c22-8b08-5ac730de5cf9_terseLabel_en-US" xlink:label="lab_us-gaap_OtherInvestmentsMember" xlink: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 and other assets</link:label>
    <link:label id="lab_us-gaap_OtherInvestmentsMember_label_en-US" xlink:label="lab_us-gaap_OtherInvestmentsMember" xlink: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 Investments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInvestmentsMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherInvestmentsMember" xlink:to="lab_us-gaap_OtherInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_8f72cfb0-8f65-4155-a939-9f5bc39ca68b_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 flow provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink: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</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests_f83db9f1-be7a-4ab8-94bc-02a4feeb181d_terseLabel_en-US" xlink:label="lab_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests" xlink: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 expense benefit attributable to non controlling interests</link:label>
    <link:label id="lab_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests_label_en-US" xlink:label="lab_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests" xlink: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 Expense (Benefit) Attributable to Non Controlling Interests</link:label>
    <link:label id="lab_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests_documentation_en-US" xlink:label="lab_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests" 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 sum of the current income tax expense or benefit attributable to non-controlling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests" xlink:href="pnw-20210331.xsd#pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests" xlink:to="lab_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_3e29db94-7cf8-47cd-8cc9-228ac1afea66_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/2020/dei-2020-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_87a06c83-1513-4f4e-b379-ea80a8dab9a8_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">Current borrowing capacity on credit facility</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink: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 Facility, Current Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_d791967c-4bcc-4f56-a3f5-91bff225ed5b_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember" xlink: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</link:label>
    <link:label id="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_label_en-US" xlink:label="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember" xlink: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 Gain (Loss), Net, Cash Flow Hedge, Parent [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember" xlink:to="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_a1a6c3f0-a3e6-4440-8d24-947e1ce3bcf6_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink: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 Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink: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 Instrument [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DecommissioningTrustAssetsAmount_6aa317c6-2fe9-4906-b360-1ed6263a3363_terseLabel_en-US" xlink:label="lab_us-gaap_DecommissioningTrustAssetsAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nuclear decommissioning trust (Notes 11 and 12)</link:label>
    <link:label id="lab_us-gaap_DecommissioningTrustAssetsAmount_57442c40-1708-4511-bcfa-235d6d0f841d_verboseLabel_en-US" xlink:label="lab_us-gaap_DecommissioningTrustAssetsAmount" 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">Nuclear decommissioning trust</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecommissioningTrustAssetsAmount" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DecommissioningTrustAssetsAmount"/>
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    <link:label id="lab_us-gaap_IncomeTaxesReceivable_1b1f4167-edcd-45ec-898f-833b53686817_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesReceivable" xlink: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 receivable</link:label>
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    <link:label id="lab_pnw_EnvironmentalMattersAbstract_documentation_en-US" xlink:label="lab_pnw_EnvironmentalMattersAbstract" 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 Matters</link:label>
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    <link:label id="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_e9383565-3229-4756-9945-ab900ced21f4_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortized cost</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_1322960e-8cb6-4b63-8534-38a1ce7e4248_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>
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesEquitySecurities_08820f08-b05e-44f5-b915-fe766fdb5bee_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesEquitySecurities" xlink: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 securities</link:label>
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    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_f0965391-2624-4795-8ba8-43928344f11c_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_dei_EntityCommonStockSharesOutstanding_821a4903-8857-45ce-9b07-5f740b5e52c8_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_pnw_RateMatterEnvironmentalSurchargeCapRate1_f903021b-ffcb-4d5e-beb3-27815ebeacb8_terseLabel_en-US" xlink:label="lab_pnw_RateMatterEnvironmentalSurchargeCapRate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate matter, environmental surcharge cap rate (in dollars per kWh)</link:label>
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    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_1ed69e0e-4bca-44dc-b5ca-40943137e7fc_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>
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    <link:label id="lab_srt_StatementScenarioAxis_d693b9c9-a318-48fe-8eb0-5ebe76cf333a_terseLabel_en-US" xlink:label="lab_srt_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Scenario [Axis]</link:label>
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    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations_label_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations" xlink: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 Matters, Customer Support Fund, Non-profits and Community Organizations</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations" 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">Regulatory Matters, Customer Support Fund, Non-profits and Community Organizations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations" xlink:to="lab_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain_8a6c0bd7-28bb-4055-a606-fd31eef9352c_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain" xlink: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, Regulatory Matters [Domain]</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain" xlink: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, Regulatory Matters [Domain]</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain" 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">Represents various regulatory matters.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain" xlink:to="lab_pnw_PublicUtilitiesRegulatoryRegulatoryMattersDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_7fdba654-561f-4bee-b839-5443910a3784_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>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable_9c14e986-a3ca-4639-bea0-2ddd39a02235_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable" 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">Customer and other receivables</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable" xlink: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 Accounts and Notes Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_9077f27a-a695-42a5-a8bd-39e2072093b2_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink: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 for pension and other postretirement benefits (Note 5)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink: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 for Plan Benefits, Defined Benefit Plan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:to="lab_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount_abc98d6d-e4d6-42f6-935f-3402e45ce854_terseLabel_en-US" xlink:label="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate matters, increase (decrease) in cost recovery, excess of annual amount</link:label>
    <link:label id="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount_label_en-US" xlink:label="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matters, Increase (Decrease) in Cost Recovery, Excess Of Annual Amount</link:label>
    <link:label id="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount_documentation_en-US" xlink:label="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount" 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 Matters, Increase (Decrease) in Cost Recovery, Excess Of Annual Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount" xlink:href="pnw-20210331.xsd#pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount" xlink:to="lab_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpense_f93c105e-b56d-43c1-add2-20153e5deb12_totalLabel_en-US" xlink:label="lab_us-gaap_InterestExpense" 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</link:label>
    <link:label id="lab_us-gaap_InterestExpense_label_en-US" xlink:label="lab_us-gaap_InterestExpense" xlink: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 Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense" xlink:to="lab_us-gaap_InterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMatterPlanTerm_6cc965ff-4a3d-4a9d-aaf3-99d30d1be46e_terseLabel_en-US" xlink:label="lab_pnw_RateMatterPlanTerm" xlink: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 term</link:label>
    <link:label id="lab_pnw_RateMatterPlanTerm_label_en-US" xlink:label="lab_pnw_RateMatterPlanTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matter, Plan Term</link:label>
    <link:label id="lab_pnw_RateMatterPlanTerm_documentation_en-US" xlink:label="lab_pnw_RateMatterPlanTerm" 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 period of time covered by a plan to implement a standard enacted by a regulatory authority.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMatterPlanTerm" xlink:href="pnw-20210331.xsd#pnw_RateMatterPlanTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMatterPlanTerm" xlink:to="lab_pnw_RateMatterPlanTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityOther_beac9052-ad9b-4585-9a84-20edd9e81c05_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityOther" 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</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityOther_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityOther" xlink: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, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityOther" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityOther" xlink:to="lab_us-gaap_StockholdersEquityOther" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent_beb4a2ab-5d9b-4fc6-8ea1-84a9fae10637_periodStartLabel_en-US" xlink:label="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" 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">Beginning balance</link:label>
    <link:label id="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent_153e0828-9766-4124-b933-909aec34f269_periodEndLabel_en-US" xlink:label="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" 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">Ending balance</link:label>
    <link:label id="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent_label_en-US" xlink:label="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" xlink: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 Fuel and Purchased Power Regulatory Asset (Liability), Current</link:label>
    <link:label id="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent_documentation_en-US" xlink:label="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" 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">Deferred Fuel and Purchased Power Regulatory Asset (Liability), Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" xlink:href="pnw-20210331.xsd#pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" xlink:to="lab_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RetiredPowerPlantCostsMember_05b14bc2-cd75-4212-bdb8-9b43676f4388_terseLabel_en-US" xlink:label="lab_pnw_RetiredPowerPlantCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retired power plant costs</link:label>
    <link:label id="lab_pnw_RetiredPowerPlantCostsMember_label_en-US" xlink:label="lab_pnw_RetiredPowerPlantCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retired Power Plant Costs [Member]</link:label>
    <link:label id="lab_pnw_RetiredPowerPlantCostsMember_documentation_en-US" xlink:label="lab_pnw_RetiredPowerPlantCostsMember" 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">Represents the regulatory asset under Retired power plant costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RetiredPowerPlantCostsMember" xlink:href="pnw-20210331.xsd#pnw_RetiredPowerPlantCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RetiredPowerPlantCostsMember" xlink:to="lab_pnw_RetiredPowerPlantCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMatterCostBaseRate_bf930c53-69be-4b82-85b6-182803ba0eb0_terseLabel_en-US" xlink:label="lab_pnw_RateMatterCostBaseRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate matter, cost base rate</link:label>
    <link:label id="lab_pnw_RateMatterCostBaseRate_label_en-US" xlink:label="lab_pnw_RateMatterCostBaseRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matter, Cost Base Rate</link:label>
    <link:label id="lab_pnw_RateMatterCostBaseRate_documentation_en-US" xlink:label="lab_pnw_RateMatterCostBaseRate" 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 Matter, Cost Base Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMatterCostBaseRate" xlink:href="pnw-20210331.xsd#pnw_RateMatterCostBaseRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMatterCostBaseRate" xlink:to="lab_pnw_RateMatterCostBaseRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_7867c58e-1f25-42ed-93cc-3bdd9f9363fc_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization" xlink: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 and amortization including nuclear fuel</link:label>
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization" xlink: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</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteAxis_5fc93654-0842-45a8-9821-8d291b3163b2_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_srt_ProductOrServiceAxis_e3bf1dcf-cace-412b-8bea-5f400c9884ee_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink: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 [Axis]</link:label>
    <link:label id="lab_srt_ProductOrServiceAxis_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Product and Service [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis" xlink:to="lab_srt_ProductOrServiceAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentTypeAxis_7ce63449-fc04-47b3-87b7-a4739ae7632a_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>
    <link:label id="lab_us-gaap_InvestmentTypeAxis_label_en-US" xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink: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 Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTypeAxis" xlink:to="lab_us-gaap_InvestmentTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded_d8e108d3-52af-4cbe-a3d5-da67639c7698_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded" xlink: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 return on Four Corners SCR deferrals (Note 4)</link:label>
    <link:label id="lab_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded_label_en-US" xlink:label="lab_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded" xlink: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 Cost Recovery Income, Debt Deferral Refunded</link:label>
    <link:label id="lab_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded_documentation_en-US" xlink:label="lab_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded" 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">Regulatory Cost Recovery Income, Debt Deferral Refunded</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded" xlink:href="pnw-20210331.xsd#pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded" xlink:to="lab_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetRetirementObligationCostsMember_40fd9648-b900-42fb-809f-a4f95621e85b_terseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationCostsMember" xlink: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 obligations</link:label>
    <link:label id="lab_us-gaap_AssetRetirementObligationCostsMember_label_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationCostsMember" xlink: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 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationCostsMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligationCostsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetRetirementObligationCostsMember" xlink:to="lab_us-gaap_AssetRetirementObligationCostsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_67ccde10-7e3e-41c4-96ad-30a05277b230_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" 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 INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_8c0dddbb-f4c8-42f7-ae82-1c7751c40654_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink: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 income attributable to common shareholders</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink: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 Income (Loss) Available to Common Stockholders, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesSolarPowerCapacity_cc2da882-cf13-4c0e-ae30-f2a75978f4db_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesSolarPowerCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Solar power capacity (in MW)</link:label>
    <link:label id="lab_pnw_PublicUtilitiesSolarPowerCapacity_label_en-US" xlink:label="lab_pnw_PublicUtilitiesSolarPowerCapacity" xlink: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, Solar Power Capacity</link:label>
    <link:label id="lab_pnw_PublicUtilitiesSolarPowerCapacity_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesSolarPowerCapacity" 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, Solar Power Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesSolarPowerCapacity" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesSolarPowerCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesSolarPowerCapacity" xlink:to="lab_pnw_PublicUtilitiesSolarPowerCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CoalReclamationEscrowAccountsMember_f5aafbfd-e14a-4871-977d-a364caef41b5_terseLabel_en-US" xlink:label="lab_pnw_CoalReclamationEscrowAccountsMember" xlink: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 Reclamation Escrow Account</link:label>
    <link:label id="lab_pnw_CoalReclamationEscrowAccountsMember_label_en-US" xlink:label="lab_pnw_CoalReclamationEscrowAccountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Coal Reclamation Escrow Accounts [Member]</link:label>
    <link:label id="lab_pnw_CoalReclamationEscrowAccountsMember_documentation_en-US" xlink:label="lab_pnw_CoalReclamationEscrowAccountsMember" 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">Coal Reclamation Escrow Accounts [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CoalReclamationEscrowAccountsMember" xlink:href="pnw-20210331.xsd#pnw_CoalReclamationEscrowAccountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CoalReclamationEscrowAccountsMember" xlink:to="lab_pnw_CoalReclamationEscrowAccountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SiteContingencyTable_365266d9-8757-452e-b338-3cef51d6b8d3_terseLabel_en-US" xlink:label="lab_us-gaap_SiteContingencyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Site Contingency [Table]</link:label>
    <link:label id="lab_us-gaap_SiteContingencyTable_label_en-US" xlink:label="lab_us-gaap_SiteContingencyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Site Contingency [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SiteContingencyTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SiteContingencyTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SiteContingencyTable" xlink:to="lab_us-gaap_SiteContingencyTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_531f35f0-9f0c-4019-b7dd-fda4c8b7a284_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, Recurring and Nonrecurring [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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_us-gaap_IncreaseDecreaseInAccountsPayable_f400dd70-ade2-4cfe-8a2c-46616e6a4153_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink: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</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink: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 Accounts Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SaleLeasebackTransactionLeasePeriod_597caaf0-4fea-4a34-b7e7-467ae2215339_terseLabel_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionLeasePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lease period (up to)</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionLeasePeriod_label_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionLeasePeriod" xlink: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 Leaseback Transaction Lease Period</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionLeasePeriod_documentation_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionLeasePeriod" 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">Represents the period of lease entered into in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SaleLeasebackTransactionLeasePeriod" xlink:href="pnw-20210331.xsd#pnw_SaleLeasebackTransactionLeasePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SaleLeasebackTransactionLeasePeriod" xlink:to="lab_pnw_SaleLeasebackTransactionLeasePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_27fa9458-3bfb-4be5-b2b9-5a59da2a44e3_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis" xlink: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 [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis" xlink: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 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis" xlink:to="lab_us-gaap_DebtInstrumentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleSecurities_88dfd4ed-b59b-491e-81ec-d261fdca54c4_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecurities" xlink: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&#160;Value</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecurities_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available-for-sale Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecurities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecurities" xlink:to="lab_us-gaap_AvailableForSaleSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueLineItems_65492f7b-19f8-4276-bfad-f655107f9ae8_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueLineItems" xlink: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 [Line Items]</link:label>
    <link:label id="lab_us-gaap_DisaggregationOfRevenueLineItems_label_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems" xlink:to="lab_us-gaap_DisaggregationOfRevenueLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_873144a3-72f5-450c-8964-9bd8892b27c0_negatedLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod" 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">Purchase of treasury stock</link:label>
    <link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod" xlink: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, Acquired, Cost Method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="lab_us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeLiabilities_ee492de8-01ce-445c-94cc-d65f140bf5fa_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities" 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">Amount Reported&#160;on Balance Sheet</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilities_637dede8-6ddc-4a72-8172-2b03cb86939b_negatedLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities" 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">Amount reported&#160;on balance sheet</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilities_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities" xlink: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 Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilities" xlink:to="lab_us-gaap_DerivativeLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3aad1d9b-21ba-4b09-9b16-25dc5542aa4f_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_a28687a7-28e7-4d8d-a64a-05578207562a_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_AccountsReceivableGrossCurrent_2be75b7c-3433-441e-ba9e-64495338c107_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" 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">Customer and other receivables</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>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableGrossCurrent" xlink:to="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_LitigationCaseAxis_059c3e99-e9b7-4f14-a648-b15122934bfd_terseLabel_en-US" xlink:label="lab_srt_LitigationCaseAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Litigation Case [Axis]</link:label>
    <link:label id="lab_srt_LitigationCaseAxis_label_en-US" xlink:label="lab_srt_LitigationCaseAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Litigation Case [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_LitigationCaseAxis" xlink:to="lab_srt_LitigationCaseAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident_29bc53c6-b207-4671-b72d-9a02fcdba6fc_terseLabel_en-US" xlink:label="lab_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident" xlink: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 potential retrospective assessment per incident of APS</link:label>
    <link:label id="lab_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident_label_en-US" xlink:label="lab_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident" xlink: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 Potential Retrospective Assessment Per Incident</link:label>
    <link:label id="lab_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident_documentation_en-US" xlink:label="lab_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident" 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">Represents the maximum potential retrospective assessment per incident based on the interest of APS in the three Palo Verde units.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident" xlink:href="pnw-20210331.xsd#pnw_MaximumPotentialRetrospectiveAssessmentPerIncident"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident" xlink:to="lab_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NumberOfVIELessorTrusts_050e425d-da4a-47ad-83b0-eb71f236c43a_terseLabel_en-US" xlink:label="lab_pnw_NumberOfVIELessorTrusts" xlink: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 VIE lessor trusts</link:label>
    <link:label id="lab_pnw_NumberOfVIELessorTrusts_label_en-US" xlink:label="lab_pnw_NumberOfVIELessorTrusts" xlink: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 VIE Lessor Trusts</link:label>
    <link:label id="lab_pnw_NumberOfVIELessorTrusts_documentation_en-US" xlink:label="lab_pnw_NumberOfVIELessorTrusts" 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 VIE lessor trusts with whom agreements have been made to sell and lease back interests in certain nuclear generating assets and related common facilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NumberOfVIELessorTrusts" xlink:href="pnw-20210331.xsd#pnw_NumberOfVIELessorTrusts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NumberOfVIELessorTrusts" xlink:to="lab_pnw_NumberOfVIELessorTrusts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerAbstract_0774c61b-8d77-40f9-a2f4-95fed54dd4a6_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerAbstract" xlink: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 [Abstract]</link:label>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerAbstract_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerAbstract" xlink: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 [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ProceedsfromRepaymentsofShorttermDebtNet_b9b1bfac-affd-4364-82ba-8657924c8cc2_terseLabel_en-US" xlink:label="lab_pnw_ProceedsfromRepaymentsofShorttermDebtNet" xlink: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 borrowing and (repayments) &#8212; net</link:label>
    <link:label id="lab_pnw_ProceedsfromRepaymentsofShorttermDebtNet_label_en-US" xlink:label="lab_pnw_ProceedsfromRepaymentsofShorttermDebtNet" xlink: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 (Repayments of) Short-term Debt, Net</link:label>
    <link:label id="lab_pnw_ProceedsfromRepaymentsofShorttermDebtNet_documentation_en-US" xlink:label="lab_pnw_ProceedsfromRepaymentsofShorttermDebtNet" 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">Proceeds from (Repayments of) Short-term Debt, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ProceedsfromRepaymentsofShorttermDebtNet" xlink:href="pnw-20210331.xsd#pnw_ProceedsfromRepaymentsofShorttermDebtNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ProceedsfromRepaymentsofShorttermDebtNet" xlink:to="lab_pnw_ProceedsfromRepaymentsofShorttermDebtNet" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInformationLineItems_1a8ed5be-0220-4ebe-b22c-d075eb8e6e3c_terseLabel_en-US" xlink:label="lab_dei_EntityInformationLineItems" xlink: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 Information [Line Items]</link:label>
    <link:label id="lab_dei_EntityInformationLineItems_label_en-US" xlink:label="lab_dei_EntityInformationLineItems" xlink: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 Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="lab_dei_EntityInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_28445a18-3d03-477b-ac4b-42ab2a835278_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink: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 Contingency Nature [Axis]</link:label>
    <link:label id="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_label_en-US" xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink: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 Contingency Nature [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsequentEventMember_8f7700b3-ff18-43d4-9855-c2562ae3b5d4_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventMember" xlink: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</link:label>
    <link:label id="lab_us-gaap_SubsequentEventMember_label_en-US" xlink:label="lab_us-gaap_SubsequentEventMember" xlink: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 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventMember" xlink:to="lab_us-gaap_SubsequentEventMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DomesticCountryMember_b45ca057-fbe4-4efb-af91-94371853e52b_terseLabel_en-US" xlink:label="lab_us-gaap_DomesticCountryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Domestic Tax Authority</link:label>
    <link:label id="lab_us-gaap_DomesticCountryMember_label_en-US" xlink:label="lab_us-gaap_DomesticCountryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Domestic Tax Authority [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DomesticCountryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DomesticCountryMember" xlink:to="lab_us-gaap_DomesticCountryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_81bb3c70-29b8-49e5-91b7-eecb3daec3e9_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">Outstanding letters of credit</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_ConcentrationRiskByTypeAxis_36b27cd0-e700-4795-8fcb-dfad66520c57_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:to="lab_us-gaap_ConcentrationRiskByTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfRealizedGainLossTableTextBlock_9b0fb8e5-4162-43e8-893c-ad12ee9059eb_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRealizedGainLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Realized gains and losses and proceeds from the sale of securities by the nuclear decommissioning trust funds</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRealizedGainLossTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRealizedGainLossTableTextBlock" xlink: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 Realized Gain (Loss) [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRealizedGainLossTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRealizedGainLossTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRealizedGainLossTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfRealizedGainLossTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ArizonaPublicServiceCompanyMember_11e75570-467f-4e22-b84f-52d7e0fe8a6f_verboseLabel_en-US" xlink:label="lab_pnw_ArizonaPublicServiceCompanyMember" 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">APS</link:label>
    <link:label id="lab_pnw_ArizonaPublicServiceCompanyMember_65c3fd28-b3ac-472a-ab84-7b0d95fc5bbb_terseLabel_en-US" xlink:label="lab_pnw_ArizonaPublicServiceCompanyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">APS</link:label>
    <link:label id="lab_pnw_ArizonaPublicServiceCompanyMember_label_en-US" xlink:label="lab_pnw_ArizonaPublicServiceCompanyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arizona Public Service Company [Member]</link:label>
    <link:label id="lab_pnw_ArizonaPublicServiceCompanyMember_documentation_en-US" xlink:label="lab_pnw_ArizonaPublicServiceCompanyMember" 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">Represents Arizona Public Service Company, which is an electric utility subsidiary of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ArizonaPublicServiceCompanyMember" xlink:href="pnw-20210331.xsd#pnw_ArizonaPublicServiceCompanyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ArizonaPublicServiceCompanyMember" xlink:to="lab_pnw_ArizonaPublicServiceCompanyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ArizonaCorporationCommissionMember_e132fc89-9369-4047-943c-f1a11be1a4b9_terseLabel_en-US" xlink:label="lab_pnw_ArizonaCorporationCommissionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">ACC</link:label>
    <link:label id="lab_pnw_ArizonaCorporationCommissionMember_label_en-US" xlink:label="lab_pnw_ArizonaCorporationCommissionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arizona Corporation Commission [Member]</link:label>
    <link:label id="lab_pnw_ArizonaCorporationCommissionMember_documentation_en-US" xlink:label="lab_pnw_ArizonaCorporationCommissionMember" 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">Represents the Arizona Corporation Commission (ACC), which regulates public utilities in Arizona.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ArizonaCorporationCommissionMember" xlink:href="pnw-20210331.xsd#pnw_ArizonaCorporationCommissionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ArizonaCorporationCommissionMember" xlink:to="lab_pnw_ArizonaCorporationCommissionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease_713a5031-5607-4802-a203-7cf2d13345fd_terseLabel_en-US" xlink:label="lab_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" xlink: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 service, resource comparison proxy method, maximum annual percentage decrease</link:label>
    <link:label id="lab_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease_label_en-US" xlink:label="lab_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matters, Cost of Service, Resource Comparison Proxy Method, Maximum Annual Percentage Decrease</link:label>
    <link:label id="lab_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease_documentation_en-US" xlink:label="lab_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" 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 Matters, Cost of Service, Resource Comparison Proxy Method, Maximum Annual Percentage Decrease</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" xlink:href="pnw-20210331.xsd#pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" xlink:to="lab_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod_d765bd61-4775-4cdf-ba13-0a98df8028f9_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod" xlink: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 amortization, period</link:label>
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    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod" 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 Rate Increase (Decrease), Deferred Taxes Amortization, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod" xlink:to="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NavajoNationTransmissionRevenueSharingMember_e986794c-7771-4771-acd1-4fa52c2fd785_terseLabel_en-US" xlink:label="lab_pnw_NavajoNationTransmissionRevenueSharingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Nation, Transmission Revenue Sharing</link:label>
    <link:label id="lab_pnw_NavajoNationTransmissionRevenueSharingMember_label_en-US" xlink:label="lab_pnw_NavajoNationTransmissionRevenueSharingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Nation, Transmission Revenue Sharing [Member]</link:label>
    <link:label id="lab_pnw_NavajoNationTransmissionRevenueSharingMember_documentation_en-US" xlink:label="lab_pnw_NavajoNationTransmissionRevenueSharingMember" 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">Navajo Nation, Transmission Revenue Sharing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NavajoNationTransmissionRevenueSharingMember" xlink:href="pnw-20210331.xsd#pnw_NavajoNationTransmissionRevenueSharingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NavajoNationTransmissionRevenueSharingMember" xlink:to="lab_pnw_NavajoNationTransmissionRevenueSharingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilityProgramAxis_a071e2e0-f557-4b7b-a60d-ae0061e3089c_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilityProgramAxis" xlink: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 Utility, Program [Axis]</link:label>
    <link:label id="lab_pnw_PublicUtilityProgramAxis_label_en-US" xlink:label="lab_pnw_PublicUtilityProgramAxis" xlink: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 Utility, Program [Axis]</link:label>
    <link:label id="lab_pnw_PublicUtilityProgramAxis_documentation_en-US" xlink:label="lab_pnw_PublicUtilityProgramAxis" 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 Utility, Program [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilityProgramAxis" xlink:href="pnw-20210331.xsd#pnw_PublicUtilityProgramAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilityProgramAxis" xlink:to="lab_pnw_PublicUtilityProgramAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersAmountsFundedByCustomersTerm_9f5cfff5-cbd8-4f92-8064-274ca50c5434_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountsFundedByCustomersTerm" xlink: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 funded by customers, term</link:label>
    <link:label id="lab_pnw_RegulatoryMattersAmountsFundedByCustomersTerm_label_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountsFundedByCustomersTerm" xlink: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 Matters, Amounts Funded By Customers, Term</link:label>
    <link:label id="lab_pnw_RegulatoryMattersAmountsFundedByCustomersTerm_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountsFundedByCustomersTerm" 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">Regulatory Matters, Amounts Funded By Customers, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersAmountsFundedByCustomersTerm" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersAmountsFundedByCustomersTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersAmountsFundedByCustomersTerm" xlink:to="lab_pnw_RegulatoryMattersAmountsFundedByCustomersTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_2b7d45ce-428d-4c39-87c3-cba6338c35d1_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink: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 lease liabilities</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilityNoncurrent_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink: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 Lease, Liability, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit_adb5463c-cfe6-49a8-90a3-499a1e5aa7cb_negatedTerseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit" 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">Public Utilities, one-time bill credit, additional benefit</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit" xlink: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, Requested Rate Increase (Decrease), Amount, One-time Bill Credit, Additional Benefit</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit" 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 Rate Increase (Decrease), Amount, One-time Bill Credit, Additional Benefit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit" xlink:to="lab_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_3a5196e5-4a17-4980-910f-9339023871e6_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" 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">Pension and other postretirement benefits activity, net of tax expense</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo_f7ce3b24-5b47-40ba-acca-69ca4902d6f9_terseLabel_en-US" xlink:label="lab_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected voluntary employer contributions in the year after next fiscal year</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo_label_en-US" xlink:label="lab_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo" xlink: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, Year Two</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo_documentation_en-US" xlink:label="lab_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo" 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, Expected Future Employer Contributions, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo" xlink:href="pnw-20210331.xsd#pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo" xlink:to="lab_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_a52f07d8-84b4-46d7-ac26-ed3769970eed_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract" xlink: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 ASSETS</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract" xlink:to="lab_us-gaap_AssetsCurrentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_7b3ef39f-170b-4dab-b28c-f34d6485be78_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest" xlink: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 income</link:label>
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest" xlink: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 Income, Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest" xlink:to="lab_us-gaap_InvestmentIncomeInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_d126cce0-7568-47d5-8e7f-6cc43be6bbbd_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax" 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 ATTRIBUTABLE TO COMMON SHAREHOLDERS</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax" xlink: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, Attributable to Parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod_c4a29191-1049-4942-9073-5c8b0b73a4f5_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod" xlink: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 support fund, payment period</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod_label_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod" xlink: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 Matters, Customer Support Fund, Payment Period</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod" 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">Regulatory Matters, Customer Support Fund, Payment Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod" xlink:to="lab_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_991fa9b7-59c3-451e-8dd9-557028e56164_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/2020/dei-2020-01-31.xsd#dei_CityAreaCode"/>
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    <link:label id="lab_dei_LegalEntityAxis_eee4b108-7872-4394-8dfb-0751f97f72d9_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/2020/dei-2020-01-31.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_IncomeTaxAuthorityAxis_f1de17a5-7a46-4733-9dea-fdb364e4a17b_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_dei_DocumentPeriodEndDate_d23005d4-f03e-4a72-bfcf-f58fa9c9dc3f_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Period End Date</link:label>
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    <link:label id="lab_us-gaap_ProfitLoss_81c73084-a90f-4439-99a6-8b717ac19694_verboseLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss" 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">Net Income</link:label>
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    <link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_f007e160-d09f-4a63-92eb-37bd68a6d5cd_negatedLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" 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">Amounts reclassified from accumulated other comprehensive loss</link:label>
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    <link:label id="lab_pnw_SolarCommunitiesMember_2280830a-3c97-400c-9cb9-7ef34e432f9f_terseLabel_en-US" xlink:label="lab_pnw_SolarCommunitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Solar Communities</link:label>
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    <link:label id="lab_pnw_SolarCommunitiesMember_documentation_en-US" xlink:label="lab_pnw_SolarCommunitiesMember" 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">Solar Communities [Member]</link:label>
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_ca1d573d-1b7b-498d-b1db-7952da217adc_negatedLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" 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">Realized losses</link:label>
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    <link:label id="lab_us-gaap_DeferredIncomeTaxChargesMember_11cdedf6-493f-4068-afa4-9e0481c48a24_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxChargesMember" xlink: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 &#8212; allowance for funds used during construction (&#8220;AFUDC&#8221;) equity</link:label>
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    <link:label id="lab_us-gaap_PriceRiskCashFlowHedgeGainOrLossReclassifiedToEarningsNet_edadffb3-37d1-406c-876a-62becefa5ac1_verboseLabel_en-US" xlink:label="lab_us-gaap_PriceRiskCashFlowHedgeGainOrLossReclassifiedToEarningsNet" 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">Loss Reclassified from Accumulated OCI into Income (Effective Portion Realized)</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensation_68e5b0c5-7bc6-4909-95fe-edbcd1f4199e_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock compensation</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_c3dcb0c3-3784-4380-aee5-cb4960d0aab2_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets" 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">Capital expenditures</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireProductiveAssets_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireProductiveAssets" xlink: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 to Acquire Productive Assets</link:label>
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    <link:label id="lab_dei_CoverAbstract_ff7a07f8-90d5-42a8-9383-755834b04c4b_terseLabel_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cover [Abstract]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersNonCustomerFunds_236d9e8e-bc04-4beb-810b-845aff4207df_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersNonCustomerFunds" xlink: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-customer funds</link:label>
    <link:label id="lab_pnw_RegulatoryMattersNonCustomerFunds_label_en-US" xlink:label="lab_pnw_RegulatoryMattersNonCustomerFunds" xlink: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 Matters, Non-Customer Funds</link:label>
    <link:label id="lab_pnw_RegulatoryMattersNonCustomerFunds_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersNonCustomerFunds" 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">Regulatory Matters, Non-Customer Funds</link:label>
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    <link:label id="lab_us-gaap_RegulatoryAssetDomain_0a69c56d-35ec-4cc5-b567-94dfe7488d7b_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 Asset [Domain]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryAssetDomain" xlink:to="lab_us-gaap_RegulatoryAssetDomain" xlink:type="arc" order="1"/>
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    <link:label id="lab_pnw_RegulatoryMattersCustomerSupportFundExpandedBillCredit_e98353a5-4e30-4acf-aad1-efe0f0f772ad_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerSupportFundExpandedBillCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expanded credit for limited income customers</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_6a99721d-584f-4ce3-a52e-5b138a006496_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Service cost &#8212; benefits earned during the period</link:label>
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    <link:label id="lab_pnw_RegulatoryMattersVoluntaryFunds_4bdc8bf0-6c13-4585-8633-4bd8e6e2f842_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersVoluntaryFunds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Voluntary funds</link:label>
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    <link:label id="lab_us-gaap_CostsAndExpenses_b2c65c66-106b-458d-911c-a46aad5e335b_totalLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpenses" 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</link:label>
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    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_3c2e7801-6252-46fb-93f3-4199f1e5ec7e_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>
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    <link:label id="lab_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit_bbc65e39-abe7-4a47-a19c-a6a99492912a_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit" xlink: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 assistance, small customers, bill credit</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit_label_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit" xlink: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 Matters, Customer Assistance, Small Customers, Bill Credit</link:label>
    <link:label id="lab_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit" 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">Regulatory Matters, Customer Assistance, Small Customers, Bill Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit" xlink:to="lab_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_c66162f3-424d-4a0a-9f0e-52711c7e8dfa_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink: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 supplemental cash flow information</link:label>
    <link:label id="lab_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink: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 Cash Flow, Supplemental Disclosures [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_2c004d69-34d5-4278-82ca-69ffa8fbde5a_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Less: Comprehensive income attributable to noncontrolling interests</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_69160490-ef38-496f-96e9-8676fbf4cd9d_verboseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" 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">Net income attributable to noncontrolling interests</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink: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 Income (Loss) Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CostOfCapitalAbstract_018bd9a2-a541-4d6d-b26c-49cd34ca8139_terseLabel_en-US" xlink:label="lab_pnw_CostOfCapitalAbstract" xlink: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&#160;of&#160;Capital</link:label>
    <link:label id="lab_pnw_CostOfCapitalAbstract_label_en-US" xlink:label="lab_pnw_CostOfCapitalAbstract" xlink: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 Capital [Abstract]</link:label>
    <link:label id="lab_pnw_CostOfCapitalAbstract_documentation_en-US" xlink:label="lab_pnw_CostOfCapitalAbstract" 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">Cost Of Capital [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CostOfCapitalAbstract" xlink:href="pnw-20210331.xsd#pnw_CostOfCapitalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CostOfCapitalAbstract" xlink:to="lab_pnw_CostOfCapitalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_69a796ec-b13f-4e48-8280-4f4537c66bb2_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" 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">Net actuarial loss (gain)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink: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, Amortization of Gain (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_212422b5-a414-4516-8f75-7251d5a3f841_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink: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 Interactive Data Current</link:label>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink: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 Interactive Data Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_6a4559e0-a42d-41bb-bea6-ad4b43503a97_totalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" 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 periodic benefit cost/(benefit)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink: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, Net Periodic Benefit Cost (Credit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1d8ee5b4-d897-4536-80cd-0445f5a1c5f1_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">CASH FLOWS FROM 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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_CommodityContractMember_70a7819c-8c90-4185-9440-1a2f1f34b16b_terseLabel_en-US" xlink:label="lab_us-gaap_CommodityContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commodity Contracts</link:label>
    <link:label id="lab_us-gaap_CommodityContractMember_label_en-US" xlink:label="lab_us-gaap_CommodityContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commodity Contract [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommodityContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommodityContractMember" xlink:to="lab_us-gaap_CommodityContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules_404ccdce-568a-4e71-b555-5d553db9d03a_terseLabel_en-US" xlink:label="lab_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Base rate increase, changes in depreciation schedules</link:label>
    <link:label id="lab_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules_label_en-US" xlink:label="lab_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules" xlink: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, Base Rate Increase, Changes in Depreciation Schedules</link:label>
    <link:label id="lab_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules_documentation_en-US" xlink:label="lab_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules" 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, Base Rate Increase, Changes in Depreciation Schedules</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules" xlink:href="pnw-20210331.xsd#pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules" xlink:to="lab_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty_1e810161-b036-43af-844c-d4ce3a8676e7_terseLabel_en-US" xlink:label="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink: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 amount</link:label>
    <link:label id="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty_label_en-US" xlink:label="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Litigation Settlement, Amount Awarded to Other Party</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LitigationSettlementAmountAwardedToOtherParty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:to="lab_us-gaap_LitigationSettlementAmountAwardedToOtherParty" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeTable_f4c250e5-8b1e-4320-b59e-2b7bf97d10d9_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeTable" xlink: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 [Table]</link:label>
    <link:label id="lab_us-gaap_DerivativeTable_label_en-US" xlink:label="lab_us-gaap_DerivativeTable" xlink: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 [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeTable" xlink:to="lab_us-gaap_DerivativeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm_fbe89ec0-86fd-422d-ace7-ed2b7dcbb275_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm" xlink: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 funded by shareholders, term</link:label>
    <link:label id="lab_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm_label_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm" xlink: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 Matters, Amounts Funded By Shareholders, Term</link:label>
    <link:label id="lab_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm" 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">Regulatory Matters, Amounts Funded By Shareholders, Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersAmountsFundedByShareholdersTerm"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm" xlink:to="lab_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_085f5319-b72d-4c55-8c89-fe65400899ef_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink: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 Stockholders' Equity [Abstract]</link:label>
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink: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 Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_FourCornersCostDeferralMember_f69239b5-90db-4274-be77-d8b95affdc8e_terseLabel_en-US" xlink:label="lab_pnw_FourCornersCostDeferralMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Four Corners cost deferral</link:label>
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    <link:label id="lab_pnw_FourCornersCostDeferralMember_documentation_en-US" xlink:label="lab_pnw_FourCornersCostDeferralMember" 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">Represents the regulatory asset under Four Corners cost deferral.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_FourCornersCostDeferralMember" xlink:href="pnw-20210331.xsd#pnw_FourCornersCostDeferralMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_FourCornersCostDeferralMember" xlink:to="lab_pnw_FourCornersCostDeferralMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_LostFixedCostRecoveryMechanismsMember_0df4ec96-30f2-4c3f-919e-0270294a22f0_terseLabel_en-US" xlink:label="lab_pnw_LostFixedCostRecoveryMechanismsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lost Fixed Cost Recovery Mechanisms</link:label>
    <link:label id="lab_pnw_LostFixedCostRecoveryMechanismsMember_label_en-US" xlink:label="lab_pnw_LostFixedCostRecoveryMechanismsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lost Fixed Cost Recovery Mechanisms [Member]</link:label>
    <link:label id="lab_pnw_LostFixedCostRecoveryMechanismsMember_documentation_en-US" xlink:label="lab_pnw_LostFixedCostRecoveryMechanismsMember" 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">Represents lost fixed cost recovery mechanism.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_LostFixedCostRecoveryMechanismsMember" xlink:href="pnw-20210331.xsd#pnw_LostFixedCostRecoveryMechanismsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_LostFixedCostRecoveryMechanismsMember" xlink:to="lab_pnw_LostFixedCostRecoveryMechanismsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CoalReclamationMember_1bbb1eb6-ace0-49a8-b186-f8517022a43b_terseLabel_en-US" xlink:label="lab_pnw_CoalReclamationMember" xlink: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 reclamation</link:label>
    <link:label id="lab_pnw_CoalReclamationMember_label_en-US" xlink:label="lab_pnw_CoalReclamationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Coal Reclamation [Member]</link:label>
    <link:label id="lab_pnw_CoalReclamationMember_documentation_en-US" xlink:label="lab_pnw_CoalReclamationMember" 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">Reclamation liability that is associated with a legal obligation for the reclamation of coal properties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CoalReclamationMember" xlink:href="pnw-20210331.xsd#pnw_CoalReclamationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CoalReclamationMember" xlink:to="lab_pnw_CoalReclamationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_740b8959-73b7-4cf9-93ed-db81f7abaf06_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink: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, Allowance for Credit Loss [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink: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, Allowance for Credit Loss [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherCostAndExpenseOperating_e8841aff-e933-4395-854f-45542996a9fd_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating" xlink: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 expenses</link:label>
    <link:label id="lab_us-gaap_OtherCostAndExpenseOperating_label_en-US" xlink:label="lab_us-gaap_OtherCostAndExpenseOperating" xlink: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 Cost and Expense, Operating</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCostAndExpenseOperating" xlink:to="lab_us-gaap_OtherCostAndExpenseOperating" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage_9feeb81f-1938-44b7-9c86-63eb10eb0b9c_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage" xlink: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 cost of capital</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage_label_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage" xlink: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, Requested Weighted Average Cost Of Capital, Percentage</link:label>
    <link:label id="lab_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage" 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 Weighted Average Cost Of Capital, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage" xlink:to="lab_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RetirementPlanTypeDomain_adfe9e42-0b8e-455e-8468-867b714b9d4c_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeDomain" xlink: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 Type [Domain]</link:label>
    <link:label id="lab_us-gaap_RetirementPlanTypeDomain_label_en-US" xlink:label="lab_us-gaap_RetirementPlanTypeDomain" xlink: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 Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanTypeDomain" xlink:to="lab_us-gaap_RetirementPlanTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_f8626fb8-8eb3-4fff-bc17-fe518a81a1c4_negatedLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense" 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">Pension and other postretirement non-service credits &#8212; net</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_6df27351-5049-4791-ada2-dd017ce53ff3_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">Portion of cost/(benefit) charged to expense</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_8e6703ff-3d24-4898-b44f-2de0eae22bfb_periodStartLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" 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">Allowance for doubtful accounts, balance at beginning of period</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_b9cd7cac-7b99-4031-91eb-10b306e7c33f_verboseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" 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">Allowance for doubtful accounts, balance at end of period</link:label>
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_label_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" xlink: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 Doubtful Accounts, Premiums and Other Receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" xlink:to="lab_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ContaminatedGroundwaterWellsMember_cb7575f5-a441-4945-a619-fcab46be6ec7_terseLabel_en-US" xlink:label="lab_pnw_ContaminatedGroundwaterWellsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contaminated groundwater wells</link:label>
    <link:label id="lab_pnw_ContaminatedGroundwaterWellsMember_label_en-US" xlink:label="lab_pnw_ContaminatedGroundwaterWellsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contaminated Groundwater Wells [Member]</link:label>
    <link:label id="lab_pnw_ContaminatedGroundwaterWellsMember_documentation_en-US" xlink:label="lab_pnw_ContaminatedGroundwaterWellsMember" 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">Represents information pertaining to the contaminated groundwater wells.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ContaminatedGroundwaterWellsMember" xlink:href="pnw-20210331.xsd#pnw_ContaminatedGroundwaterWellsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ContaminatedGroundwaterWellsMember" xlink:to="lab_pnw_ContaminatedGroundwaterWellsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue_85311dc7-8cef-4bd7-84bd-dd928b7dacbb_terseLabel_en-US" xlink:label="lab_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additional collateral to counterparties for energy related non-derivative instrument contracts</link:label>
    <link:label id="lab_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue_label_en-US" xlink:label="lab_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non Derivative Credit Risk Contract Additional Collateral Aggregate Fair Value</link:label>
    <link:label id="lab_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue_documentation_en-US" xlink:label="lab_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue" 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 aggregate fair value of additional assets that would be required to be posted as collateral for non-derivative instruments with credit-risk related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue" xlink:href="pnw-20210331.xsd#pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue" xlink:to="lab_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_299fd755-78b7-4937-be4b-2a6d608810b1_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink: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 accumulated other comprehensive income in next twelve months</link:label>
    <link:label id="lab_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_label_en-US" xlink:label="lab_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink: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 Flow Hedge Gain (Loss) to be Reclassified within Twelve Months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:to="lab_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_57c9717a-172f-4108-8fda-64076340e878_totalLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" 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</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_feb74306-c4df-486a-b4fb-6b5cbde240e3_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink: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, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:to="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_f9ee4aed-320c-47e3-a0e5-8df8825c40e7_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesTextBlock" xlink: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 of APS's nuclear decommissioning trust fund assets</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available-for-sale Securities [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NondesignatedMember_cfeef610-b2e6-47b8-a003-01c0056c56cf_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 Instruments</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_DerivativeInstrumentsAndHedges_6bfb9da3-85ae-46a3-9330-f0ce4cd1e634_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedges" xlink: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 from risk management activities (Note 7)</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedges_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedges" xlink: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 Instruments and Hedges, Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedges" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedges" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_OffsettingAssetsAndLiabilitiesTable_b9fad527-66c5-4527-a9b7-ec9be67c0d64_terseLabel_en-US" xlink:label="lab_pnw_OffsettingAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Offsetting Assets and Liabilities [Table]</link:label>
    <link:label id="lab_pnw_OffsettingAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_pnw_OffsettingAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Offsetting Assets and Liabilities [Table]</link:label>
    <link:label id="lab_pnw_OffsettingAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_pnw_OffsettingAssetsAndLiabilitiesTable" 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 information about derivatives, financial assets and liabilities that are subject to offsetting, including enforceable master netting arrangements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_OffsettingAssetsAndLiabilitiesTable" xlink:href="pnw-20210331.xsd#pnw_OffsettingAssetsAndLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_OffsettingAssetsAndLiabilitiesTable" xlink:to="lab_pnw_OffsettingAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilitiesLineItems_d8c0dddb-bbe1-4ca9-956b-cd8116637ae8_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Detail of regulatory liabilities</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilitiesLineItems_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilitiesLineItems" xlink: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 [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilitiesLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryLiabilitiesLineItems" xlink:to="lab_us-gaap_RegulatoryLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_OctotilloDeferralMember_3c30d293-ecb3-43f9-b8d2-19371bf18b26_terseLabel_en-US" xlink:label="lab_pnw_OctotilloDeferralMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Ocotillo deferral</link:label>
    <link:label id="lab_pnw_OctotilloDeferralMember_label_en-US" xlink:label="lab_pnw_OctotilloDeferralMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Octotillo Deferral [Member]</link:label>
    <link:label id="lab_pnw_OctotilloDeferralMember_documentation_en-US" xlink:label="lab_pnw_OctotilloDeferralMember" 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">Octotillo Deferral [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_OctotilloDeferralMember" xlink:href="pnw-20210331.xsd#pnw_OctotilloDeferralMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_OctotilloDeferralMember" xlink:to="lab_pnw_OctotilloDeferralMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherInventorySupplies_3ba2b8a7-9719-4766-b862-c5008f274ead_terseLabel_en-US" xlink:label="lab_us-gaap_OtherInventorySupplies" xlink: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 (at average cost)</link:label>
    <link:label id="lab_us-gaap_OtherInventorySupplies_label_en-US" xlink:label="lab_us-gaap_OtherInventorySupplies" xlink: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 Inventory, Supplies, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInventorySupplies" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherInventorySupplies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherInventorySupplies" xlink:to="lab_us-gaap_OtherInventorySupplies" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesNumberOfPrograms_309dbbd8-3c5d-46fd-a225-608092ed24eb_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesNumberOfPrograms" xlink: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 programs</link:label>
    <link:label id="lab_pnw_PublicUtilitiesNumberOfPrograms_label_en-US" xlink:label="lab_pnw_PublicUtilitiesNumberOfPrograms" xlink: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, Number Of Programs</link:label>
    <link:label id="lab_pnw_PublicUtilitiesNumberOfPrograms_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesNumberOfPrograms" 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, Number Of Programs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesNumberOfPrograms" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesNumberOfPrograms"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesNumberOfPrograms" xlink:to="lab_pnw_PublicUtilitiesNumberOfPrograms" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OffsettingDerivativeLiabilitiesAbstract_2bc80a0f-2fb7-43c1-8e6f-1cf1dc9b3489_terseLabel_en-US" xlink:label="lab_us-gaap_OffsettingDerivativeLiabilitiesAbstract" xlink: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</link:label>
    <link:label id="lab_us-gaap_OffsettingDerivativeLiabilitiesAbstract_label_en-US" xlink:label="lab_us-gaap_OffsettingDerivativeLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Offsetting Derivative Liabilities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OffsettingDerivativeLiabilitiesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OffsettingDerivativeLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OffsettingDerivativeLiabilitiesAbstract" xlink:to="lab_us-gaap_OffsettingDerivativeLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_CoalReclamationandUnionTrust_3ca38946-b7df-440d-908f-aa41735bd3ac_terseLabel_en-US" xlink:label="lab_pnw_CoalReclamationandUnionTrust" xlink: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 special use funds (Notes 11 and 12)</link:label>
    <link:label id="lab_pnw_CoalReclamationandUnionTrust_label_en-US" xlink:label="lab_pnw_CoalReclamationandUnionTrust" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Coal Reclamation and Union Trust</link:label>
    <link:label id="lab_pnw_CoalReclamationandUnionTrust_documentation_en-US" xlink:label="lab_pnw_CoalReclamationandUnionTrust" 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">Coal Reclamation and Union Trust</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_CoalReclamationandUnionTrust" xlink:href="pnw-20210331.xsd#pnw_CoalReclamationandUnionTrust"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_CoalReclamationandUnionTrust" xlink:to="lab_pnw_CoalReclamationandUnionTrust" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_f6a6833f-7050-4e4c-ba07-d72f83537691_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Less than one year</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink: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 Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DeferredCompensationMember_c78a0af2-92ac-432a-b529-264b5963bac5_terseLabel_en-US" xlink:label="lab_pnw_DeferredCompensationMember" xlink: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 compensation</link:label>
    <link:label id="lab_pnw_DeferredCompensationMember_label_en-US" xlink:label="lab_pnw_DeferredCompensationMember" xlink: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 Compensation [Member]</link:label>
    <link:label id="lab_pnw_DeferredCompensationMember_documentation_en-US" xlink:label="lab_pnw_DeferredCompensationMember" 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">Represents the regulatory asset under deferred compensation arrangements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DeferredCompensationMember" xlink:href="pnw-20210331.xsd#pnw_DeferredCompensationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DeferredCompensationMember" xlink:to="lab_pnw_DeferredCompensationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentTransitionReport_196b59af-393f-4a93-a6f3-d283068202fd_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Transition Report</link:label>
    <link:label id="lab_dei_DocumentTransitionReport_label_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Transition Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentTransitionReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease_022040ea-ccdf-4fad-b8ea-4c8ba89483f8_terseLabel_en-US" xlink:label="lab_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease" xlink: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-fuel and non-depreciation base rate, increase</link:label>
    <link:label id="lab_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease_label_en-US" xlink:label="lab_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease" xlink: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, Non Fuel and Non Depreciation Base Rate, Increase</link:label>
    <link:label id="lab_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease_documentation_en-US" xlink:label="lab_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease" 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, Non Fuel and Non Depreciation Base Rate, Increase</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease" xlink:href="pnw-20210331.xsd#pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease" xlink:to="lab_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_48735108-1507-4330-942e-908e841be16f_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink: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 Recognized Derivatives</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_bc141d3b-8701-41d7-a0b4-56ca4adb690d_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset" 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">Commodity contracts, assets</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink: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, Fair Value, Gross Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_a7499858-ed58-452c-b955-31f4a525445c_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 (DEDUCTIONS)</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink: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) [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryAssetsTable_cce06e6b-5418-404b-9206-2cda29791dd3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryAssetsTable" xlink: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 Regulatory Assets [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRegulatoryAssetsTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryAssetsTable" xlink: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 Regulatory Assets [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRegulatoryAssetsTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRegulatoryAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRegulatoryAssetsTable" xlink:to="lab_us-gaap_ScheduleOfRegulatoryAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_27844ac8-2d96-4275-be39-f79abfd7da83_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Level&#160;2</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member" xlink: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 2 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel2Member" xlink:to="lab_us-gaap_FairValueInputsLevel2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentQuarterlyReport_021673a0-19bb-42b0-a7fb-60139b76e713_terseLabel_en-US" xlink:label="lab_dei_DocumentQuarterlyReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Quarterly Report</link:label>
    <link:label id="lab_dei_DocumentQuarterlyReport_label_en-US" xlink:label="lab_dei_DocumentQuarterlyReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Quarterly Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentQuarterlyReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentQuarterlyReport" xlink:to="lab_dei_DocumentQuarterlyReport" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract_8a8f70b2-74d5-4d60-b688-60280b001f3b_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink: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</link:label>
    <link:label id="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink: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, Fair Value Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:to="lab_us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_LettersofCreditExpiringin2020Member_a208dfe9-1683-48bd-b301-ce4890c02fc8_terseLabel_en-US" xlink:label="lab_pnw_LettersofCreditExpiringin2020Member" xlink: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 Expiring in 2020</link:label>
    <link:label id="lab_pnw_LettersofCreditExpiringin2020Member_label_en-US" xlink:label="lab_pnw_LettersofCreditExpiringin2020Member" xlink: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 Expiring in 2020 [Member]</link:label>
    <link:label id="lab_pnw_LettersofCreditExpiringin2020Member_documentation_en-US" xlink:label="lab_pnw_LettersofCreditExpiringin2020Member" 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">Letters of Credit Expiring in 2020 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_LettersofCreditExpiringin2020Member" xlink:href="pnw-20210331.xsd#pnw_LettersofCreditExpiringin2020Member"/>
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    <link:label id="lab_pnw_PSARate1_8c056ab5-3730-44d3-8311-1f8955990c2d_terseLabel_en-US" xlink:label="lab_pnw_PSARate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PSA rate (in dollars per kWh)</link:label>
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    <link:label id="lab_us-gaap_EnvironmentalRemediationContingencyDomain_04634014-c0d1-4ff7-aa06-e2964f7c9dbf_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationContingencyDomain" xlink: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 Contingency [Domain]</link:label>
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    <link:label id="lab_pnw_SuretyBondsExpiringAmount_documentation_en-US" xlink:label="lab_pnw_SuretyBondsExpiringAmount" 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">Surety Bonds Expiring, Amount</link:label>
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    <link:label id="lab_us-gaap_VariableInterestEntityNonconsolidatedComparisonOfCarryingAmountOfAssetsAndLiabilitiesToMaximumLossExposureAbstract_7c470aa6-e357-45e5-baa5-66a8a47ac6c9_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityNonconsolidatedComparisonOfCarryingAmountOfAssetsAndLiabilitiesToMaximumLossExposureAbstract" xlink: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 relating to the VIEs included in Condensed Consolidated Balance Sheets</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilitiesMember_58e1acd1-f8ee-4eb3-a719-49a1268d3e26_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesMember" xlink: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_OtherLiabilitiesMember_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesMember" xlink: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 [Member]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesMember" xlink:to="lab_us-gaap_OtherLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CreditFacilityDomain_3fdc740f-78a3-4932-82af-03ff7fd02eeb_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain" xlink: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 [Domain]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain" xlink:to="lab_us-gaap_CreditFacilityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_LitigationCaseTypeDomain_63429881-e157-46ef-b80c-c1a84d9a9c23_terseLabel_en-US" xlink:label="lab_srt_LitigationCaseTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Litigation Case [Domain]</link:label>
    <link:label id="lab_srt_LitigationCaseTypeDomain_label_en-US" xlink:label="lab_srt_LitigationCaseTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Litigation Case [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_LitigationCaseTypeDomain" xlink:to="lab_srt_LitigationCaseTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_5137199f-ccb5-468a-80da-625bb96c0456_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">Net income attributable to common shareholders - basic (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_5ae37594-9a3e-4cf9-93a9-ba54228c9869_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" 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">Net income attributable to common shareholders - basic (in dollars 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>
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    <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_pnw_UnitedStatesFederalEnergyRegulatoryCommissionMember_f708a472-2d1f-4211-a383-249f0e6be333_terseLabel_en-US" xlink:label="lab_pnw_UnitedStatesFederalEnergyRegulatoryCommissionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">United States Federal Energy Regulatory Commission</link:label>
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    <link:label id="lab_pnw_UnitedStatesFederalEnergyRegulatoryCommissionMember_documentation_en-US" xlink:label="lab_pnw_UnitedStatesFederalEnergyRegulatoryCommissionMember" 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">Represents the Federal Energy Regulatory Commission (FERC).</link:label>
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    <link:label id="lab_dei_EntityFileNumber_d7e96150-b6c7-4887-828b-b3e8376d9621_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>
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    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.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_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_5382147f-d9f3-437b-8f7c-152917ace1df_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink: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 for pension benefits (Note 5)</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:to="lab_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OffsettingDerivativeAssetsAbstract_66bc519e-035e-4607-a6b7-34d410ec9e44_terseLabel_en-US" xlink:label="lab_us-gaap_OffsettingDerivativeAssetsAbstract" xlink: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</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OffsettingDerivativeAssetsAbstract" xlink:to="lab_us-gaap_OffsettingDerivativeAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_JointlyOwnedUtilityPlantDomain_6bb4155a-ad0a-428d-a42e-2d88a24e7279_terseLabel_en-US" xlink:label="lab_us-gaap_JointlyOwnedUtilityPlantDomain" xlink: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 Utility Plant [Domain]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantDomain" xlink:to="lab_us-gaap_JointlyOwnedUtilityPlantDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockValueOutstanding_4cec73b4-dc15-4aff-ae6d-f1db4dc223e1_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValueOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock</link:label>
    <link:label id="lab_us-gaap_CommonStockValueOutstanding_label_en-US" xlink:label="lab_us-gaap_CommonStockValueOutstanding" xlink: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, Value, Outstanding</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValueOutstanding" xlink:to="lab_us-gaap_CommonStockValueOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_70781271-a7b6-4207-b288-40158fe462f1_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink: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 Unrealized Gains</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax</link:label>
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    <link:label id="lab_us-gaap_LitigationSettlementAmountAwardedFromOtherParty_98603bb6-f223-4541-af32-462f3234e36c_verboseLabel_en-US" xlink:label="lab_us-gaap_LitigationSettlementAmountAwardedFromOtherParty" 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">Litigation settlement amount</link:label>
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    <link:label id="lab_pnw_SouthernCaliforniaEdisonCompanyMember_e6d8c433-b875-4122-bb5b-f4e958226495_terseLabel_en-US" xlink:label="lab_pnw_SouthernCaliforniaEdisonCompanyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">SCE</link:label>
    <link:label id="lab_pnw_SouthernCaliforniaEdisonCompanyMember_label_en-US" xlink:label="lab_pnw_SouthernCaliforniaEdisonCompanyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Southern California Edison Company [Member]</link:label>
    <link:label id="lab_pnw_SouthernCaliforniaEdisonCompanyMember_documentation_en-US" xlink:label="lab_pnw_SouthernCaliforniaEdisonCompanyMember" 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">Represents information related to Southern California Edison Company.</link:label>
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    <link:label id="lab_us-gaap_LossContingencyNumberOfPlaintiffs_536fd3cc-5c08-46b1-8edc-76c8b4eb5280_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyNumberOfPlaintiffs" xlink: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 plaintiffs</link:label>
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    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_c80f69b0-cff3-401d-83e4-7631ec3c3b9c_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis" xlink: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 [Axis]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationAxis_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationAxis" xlink: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 [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="lab_us-gaap_BalanceSheetLocationAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommercialPaperMember_25c74c44-cd91-4cc9-a272-4e6f5b55b44f_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>
    <link:label id="lab_us-gaap_CommercialPaperMember_label_en-US" xlink:label="lab_us-gaap_CommercialPaperMember" xlink: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 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommercialPaperMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommercialPaperMember" xlink:to="lab_us-gaap_CommercialPaperMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery_9dc44f3c-dbcb-43bc-a774-bf433099399b_terseLabel_en-US" xlink:label="lab_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Threshold for deferral of potential recovery</link:label>
    <link:label id="lab_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery_label_en-US" xlink:label="lab_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery" xlink: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 Matters, Voluntary Funds, Threshold For Deferral Of Potential Recovery</link:label>
    <link:label id="lab_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery_documentation_en-US" xlink:label="lab_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery" 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">Regulatory Matters, Voluntary Funds, Threshold For Deferral Of Potential Recovery</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery" xlink:href="pnw-20210331.xsd#pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery" xlink:to="lab_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_cf574a49-3207-49fa-8912-9f86b2e46020_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink: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 Accounts Receivable</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink: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 Accounts, Notes, Loans and Financing Receivable [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PSARateInPriorYears1_dce1a4c7-552c-4c56-9a75-c6e218a418c4_terseLabel_en-US" xlink:label="lab_pnw_PSARateInPriorYears1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Historical component of increase in PSA (in dollars per kWh)</link:label>
    <link:label id="lab_pnw_PSARateInPriorYears1_label_en-US" xlink:label="lab_pnw_PSARateInPriorYears1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">PSA Rate In Prior Years1</link:label>
    <link:label id="lab_pnw_PSARateInPriorYears1_documentation_en-US" xlink:label="lab_pnw_PSARateInPriorYears1" 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">PSA Rate In Prior Years1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PSARateInPriorYears1" xlink:href="pnw-20210331.xsd#pnw_PSARateInPriorYears1"/>
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    <link:label id="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_6e38d826-7027-4a4b-a118-63fa87083cd2_terseLabel_en-US" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract" xlink: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 Benefits [Abstract]</link:label>
    <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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_us-gaap_DebtInstrumentTable_6f3c467a-3555-4e09-8d55-d706cc4b7de6_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_PublicUtilitiesInventoryFuelMember_b00a880f-df96-45ba-a948-e02bdd6544a8_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesInventoryFuelMember" xlink: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, Inventory, Fuel</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesInventoryFuelMember_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesInventoryFuelMember" xlink: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, Inventory, Fuel [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryFuelMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilitiesInventoryFuelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesInventoryFuelMember" xlink:to="lab_us-gaap_PublicUtilitiesInventoryFuelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_6297236a-f702-42f5-af57-1aba578e2c1b_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInContractWithCustomerAsset" 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">Accrued unbilled revenues</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink: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 Contract with Customer, Asset</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink:to="lab_us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MinorityInterest_e5f93b43-593d-4fa9-baa4-579ec18d6bfe_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Noncontrolling interests (Note 6)</link:label>
    <link:label id="lab_us-gaap_MinorityInterest_029498ed-5846-4afe-89b3-36d18e1c4142_verboseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterest" 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">Equity &#8212; Noncontrolling interests</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterest" xlink:to="lab_us-gaap_MinorityInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases_a5e1184f-bc59-464d-9215-262002a78fbb_totalLabel_en-US" xlink:label="lab_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases" 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 assets, other</link:label>
    <link:label id="lab_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases_label_en-US" xlink:label="lab_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases" xlink: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, Gross Liability and Net Pending Securities Sales and Purchases</link:label>
    <link:label id="lab_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases_documentation_en-US" xlink:label="lab_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases" 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">Assets, Fair Value, Gross Liability and Net Pending Securities Sales and Purchases</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases" xlink:to="lab_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract_a809430d-56c3-428b-a020-1d049c1ec25a_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract" xlink: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 Risk and Credit-Related Contingent Features</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract" xlink:to="lab_us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShortTermBorrowings_ede9f07a-40f2-4b6f-8da0-b999e2279e14_verboseLabel_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings" 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">Short-term borrowings (Note 3)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermBorrowings" xlink:to="lab_us-gaap_ShortTermBorrowings" xlink:type="arc" order="1"/>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesLineItems" xlink:to="lab_us-gaap_LossContingenciesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_ba672bb0-7595-48a7-a119-7c5f453628e2_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 loss</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink: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), Net of Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_34395799-cea5-4d5e-a427-317834c7cade_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_NotesReceivableNet_138b0c93-b1f2-41ec-a2e8-ea5c9c5f9040_terseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Note receivable, net book value</link:label>
    <link:label id="lab_us-gaap_NotesReceivableNet_label_en-US" xlink:label="lab_us-gaap_NotesReceivableNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financing Receivable, after Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNet" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NotesReceivableNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableNet" xlink:to="lab_us-gaap_NotesReceivableNet" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_AvailableforsaleSecuritiesOther_64478c2f-c170-439f-997e-1e0777ec7820_terseLabel_en-US" xlink:label="lab_pnw_AvailableforsaleSecuritiesOther" xlink: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</link:label>
    <link:label id="lab_pnw_AvailableforsaleSecuritiesOther_label_en-US" xlink:label="lab_pnw_AvailableforsaleSecuritiesOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Available-for-sale Securities, Other</link:label>
    <link:label id="lab_pnw_AvailableforsaleSecuritiesOther_documentation_en-US" xlink:label="lab_pnw_AvailableforsaleSecuritiesOther" 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">Available-for-sale Securities, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_AvailableforsaleSecuritiesOther" xlink:href="pnw-20210331.xsd#pnw_AvailableforsaleSecuritiesOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_AvailableforsaleSecuritiesOther" xlink:to="lab_pnw_AvailableforsaleSecuritiesOther" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_c11eceb0-9c43-4971-b5ff-c8953922a6f0_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock equity</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage" xlink: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, Requested Equity Capital Structure, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage" xlink:to="lab_us-gaap_PublicUtilitiesRequestedEquityCapitalStructurePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityComponentDomain_c3d69023-a656-4ca0-9d24-7a88cdb06695_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>
    <link:label id="lab_us-gaap_EquityComponentDomain_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain" xlink: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 Component [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="lab_us-gaap_EquityComponentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_6c0918e1-86ab-40f1-9015-21f24bf144e9_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">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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_pnw_FourCornersCoalReclamationMember_32c4d5c5-5bd3-4551-995c-561774fca706_terseLabel_en-US" xlink:label="lab_pnw_FourCornersCoalReclamationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Four Corners coal reclamation</link:label>
    <link:label id="lab_pnw_FourCornersCoalReclamationMember_label_en-US" xlink:label="lab_pnw_FourCornersCoalReclamationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Four Corners Coal Reclamation [Member]</link:label>
    <link:label id="lab_pnw_FourCornersCoalReclamationMember_documentation_en-US" xlink:label="lab_pnw_FourCornersCoalReclamationMember" 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">Four Corners Coal Reclamation [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_FourCornersCoalReclamationMember" xlink:href="pnw-20210331.xsd#pnw_FourCornersCoalReclamationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_FourCornersCoalReclamationMember" xlink:to="lab_pnw_FourCornersCoalReclamationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_e0704b2f-8a49-4a80-8137-89896b0916ee_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>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink: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 Tax Identification Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber" xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber" xlink:to="lab_dei_EntityTaxIdentificationNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_PublicUtilitiesAlternativePercentage_3429c657-735a-4b9c-8b7a-b20b0819b68d_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesAlternativePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Alternative, percentage</link:label>
    <link:label id="lab_pnw_PublicUtilitiesAlternativePercentage_label_en-US" xlink:label="lab_pnw_PublicUtilitiesAlternativePercentage" xlink: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, Alternative, Percentage</link:label>
    <link:label id="lab_pnw_PublicUtilitiesAlternativePercentage_documentation_en-US" xlink:label="lab_pnw_PublicUtilitiesAlternativePercentage" 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, Alternative, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_PublicUtilitiesAlternativePercentage" xlink:href="pnw-20210331.xsd#pnw_PublicUtilitiesAlternativePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_PublicUtilitiesAlternativePercentage" xlink:to="lab_pnw_PublicUtilitiesAlternativePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_95d0ee4c-1076-4942-8efc-073077bf7a7d_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">Changes in current assets and liabilities:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink: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 Operating Capital [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_37671826-00ef-42e7-96f1-8d2130dfdfa8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink: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 Variable Interest Entities [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink: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 Variable Interest Entities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:to="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_0006274a-0cb0-4049-a0cc-eb17f34b2f85_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/2020/dei-2020-01-31.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_pnw_A4CAcquisitionLLCMember_c868101f-bffb-4b79-bf84-0efb01653daa_terseLabel_en-US" xlink:label="lab_pnw_A4CAcquisitionLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">4C Acquisition, LLC</link:label>
    <link:label id="lab_pnw_A4CAcquisitionLLCMember_label_en-US" xlink:label="lab_pnw_A4CAcquisitionLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">4C Acquisition, LLC [Member]</link:label>
    <link:label id="lab_pnw_A4CAcquisitionLLCMember_documentation_en-US" xlink:label="lab_pnw_A4CAcquisitionLLCMember" 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">4C Acquisition, LLC [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_A4CAcquisitionLLCMember" xlink:href="pnw-20210331.xsd#pnw_A4CAcquisitionLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_A4CAcquisitionLLCMember" xlink:to="lab_pnw_A4CAcquisitionLLCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DamageFromFireExplosionOrOtherHazardMember_3d66083a-a1d8-4034-af6b-5a69a5523eb6_terseLabel_en-US" xlink:label="lab_us-gaap_DamageFromFireExplosionOrOtherHazardMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Damage from Fire, Explosion or Other Hazard</link:label>
    <link:label id="lab_us-gaap_DamageFromFireExplosionOrOtherHazardMember_label_en-US" xlink:label="lab_us-gaap_DamageFromFireExplosionOrOtherHazardMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Damage from Fire, Explosion or Other Hazard [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DamageFromFireExplosionOrOtherHazardMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DamageFromFireExplosionOrOtherHazardMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DamageFromFireExplosionOrOtherHazardMember" xlink:to="lab_us-gaap_DamageFromFireExplosionOrOtherHazardMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity_192abac7-c489-4278-82a4-333b1308fabb_terseLabel_en-US" xlink:label="lab_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity" xlink: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 commercial paper support available under credit facility</link:label>
    <link:label id="lab_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity_label_en-US" xlink:label="lab_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity" xlink: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 Facility, Commercial Paper Program Maximum Borrowing Capacity</link:label>
    <link:label id="lab_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity" 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">Represents the maximum borrowings available for the commercial paper program under the terms of line of credit facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity" xlink:href="pnw-20210331.xsd#pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity" xlink:to="lab_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherNonoperatingIncome_a4e4e7bc-c2f3-4ba4-a929-54958ae32c31_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncome" xlink: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 (Note 9)</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncome_d55091f0-bcd9-4668-974a-6d4741056572_totalLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncome" 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</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncome_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncome" xlink: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</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncome" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncome" xlink:to="lab_us-gaap_OtherNonoperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_46a61def-52b7-4f38-9b4d-79dcd23318b7_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" 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">Allowance for borrowed funds used during construction</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink: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, Additions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:to="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_StatedInterestRateforNotesReceivable_eceddfe0-804f-4c6e-834d-88c877698217_terseLabel_en-US" xlink:label="lab_pnw_StatedInterestRateforNotesReceivable" xlink: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 for notes receivable</link:label>
    <link:label id="lab_pnw_StatedInterestRateforNotesReceivable_label_en-US" xlink:label="lab_pnw_StatedInterestRateforNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stated Interest Rate for Notes Receivable</link:label>
    <link:label id="lab_pnw_StatedInterestRateforNotesReceivable_documentation_en-US" xlink:label="lab_pnw_StatedInterestRateforNotesReceivable" 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">Stated Interest Rate for Notes Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_StatedInterestRateforNotesReceivable" xlink:href="pnw-20210331.xsd#pnw_StatedInterestRateforNotesReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_StatedInterestRateforNotesReceivable" xlink:to="lab_pnw_StatedInterestRateforNotesReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DividendsCommonStockNet_d11509d4-d345-4733-8775-8ae219269579_verboseLabel_en-US" xlink:label="lab_pnw_DividendsCommonStockNet" 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">Dividends on common stock</link:label>
    <link:label id="lab_pnw_DividendsCommonStockNet_label_en-US" xlink:label="lab_pnw_DividendsCommonStockNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Dividends, Common Stock, Net</link:label>
    <link:label id="lab_pnw_DividendsCommonStockNet_documentation_en-US" xlink:label="lab_pnw_DividendsCommonStockNet" 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">Dividends, Common Stock, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DividendsCommonStockNet" xlink:href="pnw-20210331.xsd#pnw_DividendsCommonStockNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DividendsCommonStockNet" xlink:to="lab_pnw_DividendsCommonStockNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_85e48111-b75f-4e68-b793-dc59484118cc_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_pnw_OffsettingAssetsAndLiabilitiesLineItems_7138b5dc-3354-451b-8317-db0c6d0c46b6_terseLabel_en-US" xlink:label="lab_pnw_OffsettingAssetsAndLiabilitiesLineItems" xlink: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 of risk management activities reported on gross basis and the impacts of offsetting</link:label>
    <link:label id="lab_pnw_OffsettingAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_pnw_OffsettingAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Offsetting Assets and Liabilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_OffsettingAssetsAndLiabilitiesLineItems" xlink:href="pnw-20210331.xsd#pnw_OffsettingAssetsAndLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_OffsettingAssetsAndLiabilitiesLineItems" xlink:to="lab_pnw_OffsettingAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMattersRevenueRequirements_eb778ff6-6c28-430c-9b24-3e7da7a8a7b2_terseLabel_en-US" xlink:label="lab_pnw_RateMattersRevenueRequirements" xlink: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 requirements</link:label>
    <link:label id="lab_pnw_RateMattersRevenueRequirements_label_en-US" xlink:label="lab_pnw_RateMattersRevenueRequirements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matters, Revenue Requirements</link:label>
    <link:label id="lab_pnw_RateMattersRevenueRequirements_documentation_en-US" xlink:label="lab_pnw_RateMattersRevenueRequirements" 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 Matters, Revenue Requirements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMattersRevenueRequirements" xlink:href="pnw-20210331.xsd#pnw_RateMattersRevenueRequirements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMattersRevenueRequirements" xlink:to="lab_pnw_RateMattersRevenueRequirements" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ParentCompanyMember_5a2a6dd0-8cbf-487d-b933-be11e1b611e5_terseLabel_en-US" xlink:label="lab_srt_ParentCompanyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pinnacle West</link:label>
    <link:label id="lab_srt_ParentCompanyMember_label_en-US" xlink:label="lab_srt_ParentCompanyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Parent Company [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember" xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ParentCompanyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ParentCompanyMember" xlink:to="lab_srt_ParentCompanyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityNoncurrent_4e1bf881-baa2-408f-be09-b71654521401_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink: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 advances</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityNoncurrent_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink: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 with Customer, Liability, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:to="lab_us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_32f6f375-69c7-4091-a756-dcc97c5bead7_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain" xlink: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 Acquisition, Acquiree [Domain]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain" xlink: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 Acquisition, Acquiree [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="lab_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_ResidentialUtilityConsumerOfficeMember_42cf81fa-eb47-4bfb-9f28-4f2fa0d1f5b1_terseLabel_en-US" xlink:label="lab_pnw_ResidentialUtilityConsumerOfficeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Residential Utility Consumer Office</link:label>
    <link:label id="lab_pnw_ResidentialUtilityConsumerOfficeMember_label_en-US" xlink:label="lab_pnw_ResidentialUtilityConsumerOfficeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Residential Utility Consumer Office [Member]</link:label>
    <link:label id="lab_pnw_ResidentialUtilityConsumerOfficeMember_documentation_en-US" xlink:label="lab_pnw_ResidentialUtilityConsumerOfficeMember" 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">Residential Utility Consumer Office</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_ResidentialUtilityConsumerOfficeMember" xlink:href="pnw-20210331.xsd#pnw_ResidentialUtilityConsumerOfficeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_ResidentialUtilityConsumerOfficeMember" xlink:to="lab_pnw_ResidentialUtilityConsumerOfficeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_WholesaleMember_98e6e384-ddad-465c-8529-33f3877d4264_terseLabel_en-US" xlink:label="lab_pnw_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 Energy Sales</link:label>
    <link:label id="lab_pnw_WholesaleMember_label_en-US" xlink:label="lab_pnw_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_pnw_WholesaleMember_documentation_en-US" xlink:label="lab_pnw_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_pnw_WholesaleMember" xlink:href="pnw-20210331.xsd#pnw_WholesaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_WholesaleMember" xlink:to="lab_pnw_WholesaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod_ba06fc11-0e74-4071-b316-8146c43c9c09_terseLabel_en-US" xlink:label="lab_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod" xlink: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 service for interconnected DG system customers, grandfathered period</link:label>
    <link:label id="lab_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod_label_en-US" xlink:label="lab_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Matters, Cost of Service for Interconnected DG System Customers, Grandfathered Period</link:label>
    <link:label id="lab_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod_documentation_en-US" xlink:label="lab_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod" 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 Matters, Cost of Service for Interconnected DG System Customers, Grandfathered Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod" xlink:href="pnw-20210331.xsd#pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod" xlink:to="lab_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodDomain_dc7118c3-c772-49e7-883a-263f2f5ef5ab_terseLabel_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodDomain" xlink: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 Leaseback Transaction Period [Domain]</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodDomain_label_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodDomain" xlink: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 Leaseback Transaction Period [Domain]</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodDomain_documentation_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodDomain" 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">Represents details pertaining to sale and leaseback period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SaleLeasebackTransactionPeriodDomain" xlink:href="pnw-20210331.xsd#pnw_SaleLeasebackTransactionPeriodDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SaleLeasebackTransactionPeriodDomain" xlink:to="lab_pnw_SaleLeasebackTransactionPeriodDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases_f298f0af-525a-4233-89d3-d386c94d3800_terseLabel_en-US" xlink:label="lab_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" xlink: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 special use funds, other</link:label>
    <link:label id="lab_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases_label_en-US" xlink:label="lab_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Special Use Fund Investments, Other, Net Fair Value Pending Sales and Purchases</link:label>
    <link:label id="lab_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases_documentation_en-US" xlink:label="lab_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" 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">Special Use Fund Investments, Other, Net Fair Value Pending Sales and Purchases</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" xlink:href="pnw-20210331.xsd#pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" xlink:to="lab_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_MaximumInsuranceCoveragePerIncident_a1954ec6-4e22-4b0b-b0b3-9c492e19d83b_terseLabel_en-US" xlink:label="lab_pnw_MaximumInsuranceCoveragePerIncident" xlink: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 insurance against public liability per occurrence for a nuclear incident (up to)</link:label>
    <link:label id="lab_pnw_MaximumInsuranceCoveragePerIncident_label_en-US" xlink:label="lab_pnw_MaximumInsuranceCoveragePerIncident" xlink: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 Insurance Coverage Per Incident</link:label>
    <link:label id="lab_pnw_MaximumInsuranceCoveragePerIncident_documentation_en-US" xlink:label="lab_pnw_MaximumInsuranceCoveragePerIncident" 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">Represents the maximum insurance amount against public liability per occurrence for a nuclear incident.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_MaximumInsuranceCoveragePerIncident" xlink:href="pnw-20210331.xsd#pnw_MaximumInsuranceCoveragePerIncident"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_MaximumInsuranceCoveragePerIncident" xlink:to="lab_pnw_MaximumInsuranceCoveragePerIncident" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_USTreasurySecuritiesMember_bcbf47a7-ab53-425f-a949-655c7989016a_terseLabel_en-US" xlink:label="lab_us-gaap_USTreasurySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">U.S. Treasury debt</link:label>
    <link:label id="lab_us-gaap_USTreasurySecuritiesMember_label_en-US" xlink:label="lab_us-gaap_USTreasurySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">US Treasury Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasurySecuritiesMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_USTreasurySecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_USTreasurySecuritiesMember" xlink:to="lab_us-gaap_USTreasurySecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1803f049-ff2e-403d-933d-8cffa2c84ace_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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_us-gaap_WeightedAverageNumberOfSharesRestrictedStock_c5c4e765-8eba-42b8-a394-0535b10e2f2e_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesRestrictedStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contingently issuable performance shares and restricted stock units (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesRestrictedStock_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesRestrictedStock" xlink: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, Restricted Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesRestrictedStock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesRestrictedStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesRestrictedStock" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesRestrictedStock" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NavajoGeneratingStationMember_e613d09e-d4ff-47a3-b31a-a9fa6f57e696_terseLabel_en-US" xlink:label="lab_pnw_NavajoGeneratingStationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Plant</link:label>
    <link:label id="lab_pnw_NavajoGeneratingStationMember_label_en-US" xlink:label="lab_pnw_NavajoGeneratingStationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Navajo Generating Station [Member]</link:label>
    <link:label id="lab_pnw_NavajoGeneratingStationMember_documentation_en-US" xlink:label="lab_pnw_NavajoGeneratingStationMember" 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">Represent information pertaining to Navajo Generating Station.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NavajoGeneratingStationMember" xlink:href="pnw-20210331.xsd#pnw_NavajoGeneratingStationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NavajoGeneratingStationMember" xlink:to="lab_pnw_NavajoGeneratingStationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_8b8b89ac-c987-47ec-9761-5194b499ab3f_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">Bad debt expense</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_pnw_SaleLeasebackTransactionPeriodAxis_d888aff2-05ad-4d26-82f2-28af4049ecd5_terseLabel_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodAxis" xlink: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 Leaseback Transaction Period [Axis]</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodAxis_label_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodAxis" xlink: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 Leaseback Transaction Period [Axis]</link:label>
    <link:label id="lab_pnw_SaleLeasebackTransactionPeriodAxis_documentation_en-US" xlink:label="lab_pnw_SaleLeasebackTransactionPeriodAxis" 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">Represents information pertinent to sale and leaseback period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SaleLeasebackTransactionPeriodAxis" xlink:href="pnw-20210331.xsd#pnw_SaleLeasebackTransactionPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SaleLeasebackTransactionPeriodAxis" xlink:to="lab_pnw_SaleLeasebackTransactionPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_VariableInterestEntitiesAbstract_7527b15b-e5ef-4af3-8f62-393e6b95f9bc_terseLabel_en-US" xlink:label="lab_pnw_VariableInterestEntitiesAbstract" xlink: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 Entities [Abstract]</link:label>
    <link:label id="lab_pnw_VariableInterestEntitiesAbstract_label_en-US" xlink:label="lab_pnw_VariableInterestEntitiesAbstract" xlink: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 Entities [Abstract]</link:label>
    <link:label id="lab_pnw_VariableInterestEntitiesAbstract_documentation_en-US" xlink:label="lab_pnw_VariableInterestEntitiesAbstract" 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">Variable Interest Entities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_VariableInterestEntitiesAbstract" xlink:href="pnw-20210331.xsd#pnw_VariableInterestEntitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_VariableInterestEntitiesAbstract" xlink:to="lab_pnw_VariableInterestEntitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_981dbb72-3e67-40e5-b741-84dabe79c9a9_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">Accumulated depreciation and amortization</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_ContractWithCustomerAssetNetCurrent_5a1c7be3-efa2-4eb8-a71d-55c1573ea014_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accrued unbilled revenues</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerAssetNetCurrent_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNetCurrent" xlink: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 with Customer, Asset, after Allowance for Credit Loss, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:to="lab_us-gaap_ContractWithCustomerAssetNetCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral_e3457e7a-68cd-4e2f-9419-5f62c7b0e554_totalLabel_en-US" xlink:label="lab_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" 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">Other</link:label>
    <link:label id="lab_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral_label_en-US" xlink:label="lab_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" xlink: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 (Liability), Amount Not Offset Against Collateral</link:label>
    <link:label id="lab_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral_documentation_en-US" xlink:label="lab_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" 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">Derivative Asset (Liability), Amount Not Offset Against Collateral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" xlink:href="pnw-20210331.xsd#pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" xlink:to="lab_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_RatePlanComparisonToolInconveniencePayment_3b3b658c-0b22-40a3-84fe-217fad79cc85_terseLabel_en-US" xlink:label="lab_pnw_RatePlanComparisonToolInconveniencePayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate plan comparison tool, inconvenience payment</link:label>
    <link:label id="lab_pnw_RatePlanComparisonToolInconveniencePayment_label_en-US" xlink:label="lab_pnw_RatePlanComparisonToolInconveniencePayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Plan Comparison Tool, Inconvenience Payment</link:label>
    <link:label id="lab_pnw_RatePlanComparisonToolInconveniencePayment_documentation_en-US" xlink:label="lab_pnw_RatePlanComparisonToolInconveniencePayment" 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 Plan Comparison Tool, Inconvenience Payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_RatePlanComparisonToolInconveniencePayment" xlink:href="pnw-20210331.xsd#pnw_RatePlanComparisonToolInconveniencePayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_RatePlanComparisonToolInconveniencePayment" xlink:to="lab_pnw_RatePlanComparisonToolInconveniencePayment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentsAbstract_ec4d3a72-20aa-443f-bdc5-dcdbdbcc32e1_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Estimated fair value of long-term debt, including current maturities</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentsAbstract_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentsAbstract" xlink: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 Instruments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentsAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentsAbstract" xlink:to="lab_us-gaap_DebtInstrumentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilityAmortizationPeriod_c321ae02-50cd-4a94-b6cd-29e15e612b4d_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityAmortizationPeriod" xlink: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, amortization period</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityAmortizationPeriod_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityAmortizationPeriod" xlink: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, Amortization Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilityAmortizationPeriod" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RegulatoryLiabilityAmortizationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryLiabilityAmortizationPeriod" xlink:to="lab_us-gaap_RegulatoryLiabilityAmortizationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_OtherRegulatoryLiabilitiesMember_a8f0a2e0-f5e8-4c6e-84d8-0d03f60205d8_terseLabel_en-US" xlink:label="lab_pnw_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</link:label>
    <link:label id="lab_pnw_OtherRegulatoryLiabilitiesMember_label_en-US" xlink:label="lab_pnw_OtherRegulatoryLiabilitiesMember" xlink: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 Liabilities [Member]</link:label>
    <link:label id="lab_pnw_OtherRegulatoryLiabilitiesMember_documentation_en-US" xlink:label="lab_pnw_OtherRegulatoryLiabilitiesMember" 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">Miscellaneous regulatory liabilities which are individually insignificant.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_OtherRegulatoryLiabilitiesMember" xlink:href="pnw-20210331.xsd#pnw_OtherRegulatoryLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_OtherRegulatoryLiabilitiesMember" xlink:to="lab_pnw_OtherRegulatoryLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_DefinedBenefitPlansVoluntaryContributions_a9ec4623-fea4-4bba-b116-d65a32891fe3_terseLabel_en-US" xlink:label="lab_pnw_DefinedBenefitPlansVoluntaryContributions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Voluntary contributions</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlansVoluntaryContributions_label_en-US" xlink:label="lab_pnw_DefinedBenefitPlansVoluntaryContributions" xlink: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 Plans, Voluntary Contributions</link:label>
    <link:label id="lab_pnw_DefinedBenefitPlansVoluntaryContributions_documentation_en-US" xlink:label="lab_pnw_DefinedBenefitPlansVoluntaryContributions" 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 Plans, Voluntary Contributions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_DefinedBenefitPlansVoluntaryContributions" xlink:href="pnw-20210331.xsd#pnw_DefinedBenefitPlansVoluntaryContributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_DefinedBenefitPlansVoluntaryContributions" xlink:to="lab_pnw_DefinedBenefitPlansVoluntaryContributions" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact_45ea4942-70f6-4f93-b508-fa566dff2233_terseLabel_en-US" xlink:label="lab_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" xlink: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, ACC approved rate adjustment, annualized customer impact</link:label>
    <link:label id="lab_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact_label_en-US" xlink:label="lab_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" xlink: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, ACC approved rate adjustment, annualized customer impact</link:label>
    <link:label id="lab_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact_documentation_en-US" xlink:label="lab_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" 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, ACC approved rate adjustment, annualized customer impact</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" xlink:href="pnw-20210331.xsd#pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" xlink:to="lab_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_35dc26a6-2c45-48ed-b082-9a0acc0e5cb1_terseLabel_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink: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 Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
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    <link:label id="lab_pnw_AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval_86cc432b-8f9a-4387-aed5-99cc90be7733_terseLabel_en-US" xlink:label="lab_pnw_AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval" xlink: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 of adjustment representing prorated sales losses pending approval</link:label>
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    <link:label id="lab_pnw_RateMatterApproximatePercentageofIncreaseinAverageResidentialCustomerBill_3de81ef6-cba4-42a7-88d4-3278e20ccc15_terseLabel_en-US" xlink:label="lab_pnw_RateMatterApproximatePercentageofIncreaseinAverageResidentialCustomerBill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Approximate percentage of increase in average residential customer bill</link:label>
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    <link:label id="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_c20577b2-d416-45d9-80fc-62485f542a1b_terseLabel_en-US" xlink:label="lab_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Right-of-use operating lease assets obtained in exchange for operating lease liabilities</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtFairValue_f0728bd6-ae57-43a1-b80a-5f4cffdef22e_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue" xlink: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&#160;Value</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_5fc4dde9-01f1-404b-85b4-973a5bac1dff_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink: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>
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    <link:label id="lab_pnw_OtherSpecialUseFundsMember_9ebca9e5-cfeb-444a-bd05-342054b0a9c4_terseLabel_en-US" xlink:label="lab_pnw_OtherSpecialUseFundsMember" xlink: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 Special Use Funds</link:label>
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    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2a5d33d4-f789-4116-9e8b-7fe48bf9c968_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" 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">CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD</link:label>
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    <link:label id="lab_dei_LocalPhoneNumber_ebf5e455-791f-4162-8ad1-03cc358b41f2_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Local Phone Number</link:label>
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    <link:label id="lab_pnw_MaximumAssessmentPerReactorForEachNuclearIncident_2dd47561-e101-4023-a725-b954aa8a3cb6_terseLabel_en-US" xlink:label="lab_pnw_MaximumAssessmentPerReactorForEachNuclearIncident" xlink: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 retrospective premium assessment per reactor for each nuclear liability incident</link:label>
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    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_8ebb7a94-c34e-4913-8d51-670a4a470af7_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink: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 and Hedging Activities Disclosure [Abstract]</link:label>
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    <link:label id="lab_pnw_PublicUtilitiesProgramTerm_d27dc4cd-f489-4a08-8d5f-bc3bb650e6cf_terseLabel_en-US" xlink:label="lab_pnw_PublicUtilitiesProgramTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Program term</link:label>
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_f0f5f46b-1d33-4b47-9418-10ca3f5bdd5f_negatedLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" 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">Total Unrealized Losses</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_pnw_ScheduleOfDeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityTableTextBlock_71ad9933-98c0-4f24-be2b-81fc6d3c2f1e_terseLabel_en-US" xlink:label="lab_pnw_ScheduleOfDeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityTableTextBlock" xlink: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 changes in the deferred fuel and purchased power regulatory asset</link:label>
    <link:label id="lab_pnw_ScheduleOfDeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityTableTextBlock_label_en-US" xlink:label="lab_pnw_ScheduleOfDeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityTableTextBlock" xlink: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 Deferred Fuel and Purchased Power Regulatory Asset (Liability) [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax_a6e25220-a7bb-42bd-a6c9-9a2d8d3e548a_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" xlink: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 of net realized gain, tax expense</link:label>
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    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2021Member_97783d35-eb6f-4bfa-84b0-20fdc072a607_terseLabel_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand Side Management Adjustor Charge 2021</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_3d58062d-9ad4-45ca-bbe4-54637cdd5c38_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink: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 borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders (up to)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
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    <link:label id="lab_us-gaap_CommercialPaper_294c7e19-3a81-432a-a4c4-76c56dda2f17_terseLabel_en-US" xlink:label="lab_us-gaap_CommercialPaper" xlink: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>
    <link:label id="lab_us-gaap_CommercialPaper_label_en-US" xlink:label="lab_us-gaap_CommercialPaper" xlink: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</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommercialPaper"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommercialPaper" xlink:to="lab_us-gaap_CommercialPaper" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_LitigationSettlementAmountAwardedToCustomers_e34b4e9f-abeb-4584-ac01-cb6f1ec66b5f_terseLabel_en-US" xlink:label="lab_pnw_LitigationSettlementAmountAwardedToCustomers" xlink: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 amount returned to customers</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_pnw_LitigationSettlementAmountAwardedToCustomers" xlink:href="pnw-20210331.xsd#pnw_LitigationSettlementAmountAwardedToCustomers"/>
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    <link:label id="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit_24ac6ce1-06ac-4f87-a6fd-934f2e929a5c_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reduction in net deferred income tax liabilities</link:label>
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    <link:label id="lab_pnw_ArizonaAttorneyGeneralAbstract_3cf3edf2-87ed-4799-bb51-885b02241418_terseLabel_en-US" xlink:label="lab_pnw_ArizonaAttorneyGeneralAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arizona Attorney General [Abstract]</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_cbe1432c-4f63-4919-933d-e6ef2c2f9c45_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">Schedule of net periodic benefit costs and the portion of these costs charged to expense (including administrative costs and excluding amounts capitalized as overhead construction, billed to electric plant participants or charged or amortized to the regulatory asset)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock"/>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_6b33cf11-428d-4ffa-a249-cce07d63189e_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 flow used for investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink: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) Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
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    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2020Member_0a9315d9-fa47-40c5-bbd9-98b35fe15451_terseLabel_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2020Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand Side Management Adjustor Charge 2020</link:label>
    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2020Member_label_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2020Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Demand Side Management Adjustor Charge 2020 [Member]</link:label>
    <link:label id="lab_pnw_DemandSideManagementAdjustorCharge2020Member_documentation_en-US" xlink:label="lab_pnw_DemandSideManagementAdjustorCharge2020Member" 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">Demand Side Management Adjustor Charge 2020 [Member]</link:label>
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    <link:label id="lab_us-gaap_CorporateDebtSecuritiesMember_17ad9e84-03f1-4d86-93bb-0b82080135f8_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateDebtSecuritiesMember" xlink: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 debt</link:label>
    <link:label id="lab_us-gaap_CorporateDebtSecuritiesMember_label_en-US" xlink:label="lab_us-gaap_CorporateDebtSecuritiesMember" xlink: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 Debt Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateDebtSecuritiesMember" xlink:to="lab_us-gaap_CorporateDebtSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_08d79cc4-0510-4823-9c82-b25ade89d0e7_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Aggregate fair value of derivative instruments in a net liability position</link:label>
    <link:label id="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_label_en-US" xlink:label="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink: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, Net Liability Position, Aggregate Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeNetLiabilityPositionAggregateFairValue"/>
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    <link:label id="lab_us-gaap_LitigationStatusDomain_f43fd0c8-d9d1-473a-8798-3bf08d50078e_terseLabel_en-US" xlink:label="lab_us-gaap_LitigationStatusDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Litigation Status [Domain]</link:label>
    <link:label id="lab_us-gaap_LitigationStatusDomain_label_en-US" xlink:label="lab_us-gaap_LitigationStatusDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Litigation Status [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LitigationStatusDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationStatusDomain" xlink:to="lab_us-gaap_LitigationStatusDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_3bd581bf-41de-425b-a2e3-77a0a53d5a1a_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">Allowance for equity funds used during construction</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_3ab8555e-c13a-4ec5-93a9-250318d28c26_negatedLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" 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">Allowance for equity funds used during construction</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_TreasuryStockValue_2fb0a097-ec6f-42f7-949d-d119dc9ee45e_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; 44,338 and 72,006 shares at respective dates</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="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.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_EarningsPerShareTextBlock_4b7f751f-cfa3-4a41-bf34-e2b415aa895b_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock" xlink: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</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareTextBlock_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock" xlink: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 [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareTextBlock" xlink:to="lab_us-gaap_EarningsPerShareTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_4304f4d2-7839-4d82-9b19-3b96f7a21eac_terseLabel_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension&#160;Benefits</link:label>
    <link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_label_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember" xlink: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 Plan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionPlansDefinedBenefitMember" xlink:to="lab_us-gaap_PensionPlansDefinedBenefitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpenseAbstract_71f6ea3a-7a25-4a49-822d-f80d0c79c77b_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseAbstract" xlink: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_InterestExpenseAbstract_label_en-US" xlink:label="lab_us-gaap_InterestExpenseAbstract" xlink: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 Expense [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseAbstract" xlink:to="lab_us-gaap_InterestExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount_38c2cda9-1c91-490c-a145-147feaf3bf63_terseLabel_en-US" xlink:label="lab_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink: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 loss exposure to the VIE's noncontrolling equity participants during lease extension period</link:label>
    <link:label id="lab_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount_label_en-US" xlink:label="lab_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink: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, Entity Maximum Loss Exposure to Noncontrolling Interests During Lease Extension Period, Amount</link:label>
    <link:label id="lab_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount_documentation_en-US" xlink:label="lab_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" 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">Variable Interest Entity, Entity Maximum Loss Exposure to Noncontrolling Interests During Lease Extension Period, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink:href="pnw-20210331.xsd#pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink:to="lab_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract_a13b98fe-1f19-42fc-97d2-c2e25244f59b_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract" xlink: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 CREDITS AND OTHER</link:label>
    <link:label id="lab_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract_label_en-US" xlink:label="lab_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract" xlink: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 Credits and Other Liabilities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract" xlink:to="lab_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_pnw_NetMeteringMember_7c640fac-88ae-4ae8-b8f5-d79ceede8b44_terseLabel_en-US" xlink:label="lab_pnw_NetMeteringMember" xlink: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 Metering</link:label>
    <link:label id="lab_pnw_NetMeteringMember_label_en-US" xlink:label="lab_pnw_NetMeteringMember" xlink: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 Metering [Member]</link:label>
    <link:label id="lab_pnw_NetMeteringMember_documentation_en-US" xlink:label="lab_pnw_NetMeteringMember" 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">Represents information pertaining to the proposed solution to the ACC to fix the cost shift brought by current net metering rules.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_pnw_NetMeteringMember" xlink:href="pnw-20210331.xsd#pnw_NetMeteringMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_pnw_NetMeteringMember" xlink:to="lab_pnw_NetMeteringMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_0ad5931e-29eb-4d8b-8230-6e0e5ced46f4_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>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxContingencyTable_ac74f50c-a63a-468b-b597-9b12d457f1cd_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxContingencyTable" xlink: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 Contingency [Table]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxContingencyTable_label_en-US" xlink:label="lab_us-gaap_IncomeTaxContingencyTable" xlink: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 Contingency [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyTable" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxContingencyTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxContingencyTable" xlink:to="lab_us-gaap_IncomeTaxContingencyTable" xlink:type="arc" order="1"/>
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<TYPE>EX-101.PRE
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RleHRyZWdpb246Y2QxYjUzYmUxYTFjNDM3OThlOGIzY2Y3MTJlODg0OGZfMzgxMw_43b0504f-43c7-4cde-87b3-50f4464a1c3c">Consolidation and Nature of Operations &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The unaudited condensed consolidated financial statements include the accounts of Pinnacle West and our subsidiaries:&#160; APS, 4C Acquisition, LLC (&#x201c;4CA&#x201d;), Bright Canyon Energy Corporation (&#x201c;BCE&#x201d;) and El Dorado Investment Company (&#x201c;El Dorado&#x201d;).&#160; See Note 8 for more information on 4CA matters.  Intercompany accounts and transactions between the consolidated companies have been eliminated.&#160; The unaudited condensed consolidated financial statements for APS include the accounts of APS and the Palo Verde Generating Station (&#x201c;Palo Verde&#x201d;) sale leaseback variable interest entities (&#x201c;VIEs&#x201d;) (see Note 6 for further discussion).&#160; Our accounting records are maintained in accordance with accounting principles generally accepted in the United States of America (&#x201c;GAAP&#x201d;).&#160; The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during the reporting period.&#160; Actual results could differ from those estimates.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Amounts reported in our interim Condensed Consolidated Statements of Income are not necessarily indicative of amounts expected for the respective annual periods, due to the effects of seasonal temperature variations on energy consumption, timing of maintenance on electric generating units (&#x201c;EGU&#x201d;), and other factors.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Our condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments except as otherwise disclosed in the notes) that we believe are necessary for the fair presentation of our financial position, results of operations, and cash flows for the periods presented. Certain information and footnote disclosures normally included in financial statements prepared in conformity with GAAP have been condensed or omitted pursuant to such regulations, although we believe that the disclosures provided are adequate to make the interim information presented not misleading.  The accompanying condensed consolidated financial statements and these notes should be read in conjunction with the audited consolidated financial statements and notes included in our 2020 Form 10-K.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On June 30, 2020, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"&gt;the United States Federal Energy Regulatory Commission (&#x201c;FERC&#x201d;) &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;issued an order granting a waiver request related to the existing Allowance for Funds Used During Construction (&#x201c;AFUDC&#x201d;) rate calculation beginning March 1, 2020 through February 28, 2021.&#160; On February 23, 2021, this waiver was extended until September 30, 2021.  The order provides a simplified approach that companies may elect to implement in order to minimize the significant distorted effect on the AFUDC formula resulting from increased short-term debt financing during the COVID-19 pandemic.&#160; APS has adopted this simplified approach to computing the AFUDC composite rate&#160;by using a simple average of the actual historical short-term debt balances for 2019, instead of current period short-term debt balances, and has left all other aspects of the AFUDC formula composite rate calculation unchanged. This change impacts the AFUDC composite rate in both 2020 and 2021 but does not impact prior years. &#160;Furthermore, the change in the composite rate calculation does not impact our accounting treatment for these costs.  The change will not have a material impact on our financial statements.  See Note 1 in our 2020 Form 10-K for information on the accounting treatment for AFUDC.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Supplemental Cash Flow Information&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table summarizes supplemental Pinnacle West cash flow information (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:73.144%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.417%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.519%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.420%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Cash paid during the period for:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Income taxes, net of refunds&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:'Times New Roman',sans-serif;font-size:11.5pt;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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style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Interest, net of amounts capitalized&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;53,885&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New 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Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Accrued capital expenditures&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;79,597&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;100,868&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;785&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;2,311&#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="display:none"/&gt;&lt;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="display:none"/&gt;&lt;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&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table summarizes supplemental APS cash flow information (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:73.037%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.400%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.518%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.545%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Cash paid during the period for:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Income taxes, net of refunds&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11.5pt;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Interest, net of amounts capitalized&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;53,153&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;52,034&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Significant non-cash investing and financing activities:&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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Accrued capital expenditures&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;79,597&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;100,868&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;785&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;2,311&#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="display:none"/&gt;&lt;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="display:none"/&gt;&lt;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;</us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock>
    <us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV82Ny9mcmFnOmNkMWI1M2JlMWExYzQzNzk4ZThiM2NmNzEyZTg4NDhmL3RleHRyZWdpb246Y2QxYjUzYmUxYTFjNDM3OThlOGIzY2Y3MTJlODg0OGZfMzgxNg_d38f54d6-9e59-4f6a-8209-c8d45312546a">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table summarizes supplemental Pinnacle West cash flow information (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:73.144%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.417%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.519%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.420%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Cash paid during the period for:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Income taxes, net of refunds&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(827)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(3,002)&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Interest, net of amounts capitalized&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;53,885&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;53,723&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Significant non-cash investing and financing activities:&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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Accrued capital expenditures&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;79,597&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;100,868&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;785&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;2,311&#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="display:none"/&gt;&lt;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="display:none"/&gt;&lt;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&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table summarizes supplemental APS cash flow information (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:73.037%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.400%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.518%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.545%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Cash paid during the period for:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Income taxes, net of refunds&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11.5pt;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Interest, net of amounts capitalized&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;53,153&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;52,034&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Significant non-cash investing and financing activities:&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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Accrued capital expenditures&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;79,597&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;100,868&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;785&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;2,311&#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="display:none"/&gt;&lt;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="display:none"/&gt;&lt;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;</us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfNTA5Nw_f36398ab-d211-4798-8bac-0ef0e2b85090">Revenue &lt;div style="margin-bottom:6pt;margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Sources of Revenue&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides detail of Pinnacle West&#x2019;s consolidated revenue disaggregated by revenue sources (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:11pt;margin-top:11pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:69.952%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.554%"/&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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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: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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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: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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Retail Electric Revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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="display:none"/&gt;&lt;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 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Residential&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;340,838&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;325,073&#160;&lt;/span&gt;&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;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Non-Residential&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;314,783&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;303,351&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;td colspan="3" style="display:none"/&gt;&lt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Wholesale Energy Sales&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;17,597&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;14,668&#160;&lt;/span&gt;&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;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Transmission Services for Others&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;18,993&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;15,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;td colspan="3" style="display:none"/&gt;&lt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Other Sources&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;4,264&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;2,911&#160;&lt;/span&gt;&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;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;Total operating revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;696,475&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;661,930&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;td colspan="3" style="display:none"/&gt;&lt;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 style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Retail Electric Revenue. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Pinnacle West&#x2019;s retail electric revenue is generated by wholly-owned regulated subsidiary APS&#x2019;s sale of electricity to our regulated customers within the authorized service territory at tariff rates approved by the ACC and based on customer usage. Revenues related to the sale of electricity are generally recognized when service is rendered or electricity is delivered to customers.  The billing of electricity sales to individual customers is based on the reading of their meters.  We obtain customers&#x2019; meter data on a systematic basis throughout the month, and generally bill customers within a month from when service was provided. Customers are generally required to pay for services within 15 days of when the services are billed. See &#x201c;Allowance for Doubtful Accounts&#x201d; discussion below for additional details regarding payment terms.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Wholesale Energy Sales and Transmission Services for Others. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Revenues from wholesale energy sales and transmission services for others represent energy and transmission sales to wholesale customers. These activities primarily consist of managing fuel and purchased power risks in connection with the cost of serving our retail customers&#x2019; energy requirements. We may also sell into the wholesale markets generation that is not needed for APS&#x2019;s retail load. Our wholesale activities and tariff rates are regulated by FERC.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In the electricity business, some contracts to purchase energy are settled by netting against other contracts to sell electricity. This is referred to as a book-out, and usually occurs in contracts that have the same terms (product type, quantities, and delivery points) and for which power does not flow. We net these book-outs, which reduces both wholesale revenues and fuel and purchased power 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Revenue Activities&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Our revenues primarily consist of activities that are classified as revenues from contracts with customers. We derive our revenues from contracts with customers primarily from sales of electricity to our regulated retail customers. Revenues from contracts with customers also include wholesale and transmission activities.  Our revenues from contracts with customers for the three months ended March 31, 2021 and 2020 were $682 million and $648 million, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify;text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We have certain revenues that do not meet the specific accounting criteria to be classified as revenues from contracts with customers. For the three months ended March 31, 2021 and 2020, our revenues that do not qualify as revenue from contracts with customers were $14 million and $14 million, respectively. This relates primarily to certain regulatory cost recovery mechanisms that are considered alternative revenue programs. We recognize revenue associated with alternative revenue programs when specific events permitting recognition are completed. Certain amounts associated with alternative revenue programs will subsequently be billed to customers; however, we do not reclassify billed amounts into revenue from contracts with customers.  See Note 4 for a discussion of our regulatory cost recovery 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Contract Assets and Liabilities from Contracts with Customers&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;There were no material contract assets, contract liabilities, or deferred contract costs recorded on the Condensed Consolidated Balance Sheets as of March&#160;31, 2021 or December&#160;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Allowance for Doubtful Accounts&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The allowance for doubtful accounts represents our best estimate of accounts receivable and accrued unbilled revenues that will ultimately be uncollectible due to credit loss risk. The allowance includes a write-off component that is calculated by applying an estimated write-off factor to retail electric revenues. The write-off factor used to estimate uncollectible accounts is based upon consideration of historical collections experience, the current and forecasted economic environment, changes to our collection policies, and management&#x2019;s best estimate of future collections success. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt; On March 13, 2020, due to the COVID-19 pandemic we voluntarily suspended disconnections of customers for nonpayment. The suspension of customer disconnections was extended from March 13, 2020 through December 31, 2020. Our disconnection policies are also impacted by the Summer Disconnection Moratorium.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and certain customers with past due balances were placed on eight-month payment arrangements. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;These circumstances and the on-going COVID-19 pandemic have impacted our allowance for doubtful accounts, including our write-off factor. We continue to monitor the impacts of COVID-19, our disconnection policies, payment arrangements, among other considerations impacting our estimated write-off factor and allowance for doubtful accounts. See Note 4 for additional details.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify;text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides a rollforward of Pinnacle West&#x2019;s allowance for doubtful accounts (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:53.285%"/&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:20.976%"/&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:20.979%"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;March 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:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Allowance for doubtful accounts, balance at beginning of period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;19,782&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;8,171&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Bad debt expense&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;4,151&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;20,633&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Actual write-offs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(3,528)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(9,022)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Allowance for doubtful accounts, balance at end of period&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;20,405&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;19,782&#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:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:DisaggregationOfRevenueTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83MC9mcmFnOmQxMmM5N2RiNTUwNzQ4ZDE4N2YzZDI2YTQ2Y2ZjMzMwL3RleHRyZWdpb246ZDEyYzk3ZGI1NTA3NDhkMTg3ZjNkMjZhNDZjZmMzMzBfNTEwNg_6a975a1a-f12f-4c30-bb00-587ae9fdf31a">&lt;div style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides detail of Pinnacle West&#x2019;s consolidated revenue disaggregated by revenue sources (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:11pt;margin-top:11pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:69.952%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.554%"/&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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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: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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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: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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Retail Electric Revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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="display:none"/&gt;&lt;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 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New 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colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Wholesale Energy Sales&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;17,597&#160;&lt;/span&gt;&lt;/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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style="width:20.976%"/&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:20.979%"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;March 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:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Allowance for doubtful accounts, balance at beginning of period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;19,782&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;8,171&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Bad debt expense&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;4,151&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;20,633&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Actual write-offs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(3,528)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(9,022)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Allowance for doubtful accounts, balance at end of period&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td 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    <us-gaap:LongTermDebtTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfNDA2Mg_97d9c166-0298-4d05-8a5f-33ef7ff8bb3e">Long-Term Debt and Liquidity Matters&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Pinnacle West and APS maintain committed revolving credit facilities in order to enhance liquidity and provide credit support for their commercial paper programs, to refinance indebtedness, and for other general corporate purposes.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Pinnacle West&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On May 5, 2020, Pinnacle West refinanced its 364-day $50 million term loan agreement with a new 364-day $31 million term loan agreement that would have matured May 4, 2021.  Borrowings under the agreement bore interest at Eurodollar Rate plus 1.40% per annum.  At March&#160;31, 2021, Pinnacle West had $15 million in outstanding borrowings under the current agreement, all of which was repaid on April 27, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On December 23, 2020, Pinnacle West entered into a $150&#160;million term loan facility that matures June 2022.  The proceeds were received on January 4, 2021 and used for general corporate purposes.  We recognized the term loan facility as long-term debt upon settlement on January 4, 2021. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;At March&#160;31, 2021, Pinnacle West had a $200 million revolving credit facility that matures in July 2023. Pinnacle West has the option to increase the amount of the facility up to a maximum of $300 million upon the satisfaction of certain conditions and with the consent of the lenders.&#160;Interest rates are based on Pinnacle West&#x2019;s senior unsecured debt credit ratings.  The facility is available to support Pinnacle West&#x2019;s $200 million commercial paper program, for bank borrowings or for issuances of letters of credits.  At March&#160;31, 2021, Pinnacle West had no outstanding borrowings under its credit facility, no letters of credit outstanding and $0.3 million of outstanding commercial paper borrowings.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;APS&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;At March&#160;31, 2021, APS had two revolving credit facilities totaling $1 billion, including a $500 million credit facility that matures in June 2022 and a $500 million facility that matures in July 2023. &#160;APS may increase the amount of each facility up to a maximum of $700 million, for a total of $1.4 billion, upon the satisfaction of certain conditions and with the consent of the lenders.&#160; Interest rates are based on APS&#x2019;s senior unsecured debt credit ratings.  These facilities are available to support APS&#x2019;s $750 million commercial paper program, for bank borrowings or for issuances of letters of credit.&#160; At March&#160;31, 2021, APS had no outstanding borrowings under its revolving credit facilities, no letters of credit outstanding, and $199.5 million of outstanding commercial paper borrowings. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On December 17, 2020, the ACC issued a financing order in which, subject to specified parameters and procedures, it approved APS&#x2019;s short-term debt authorization equal to the sum of (i)&#160;7%&#160;of APS&#x2019;s capitalization, and (ii)&#160;$500 million&#160;(which is required to be used for costs relating to purchases of natural gas and power) and a long-term debt authorization of $7.5 billion.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;See &#x201c;Financial Assurances&#x201d; in Note 8 for a discussion of other outstanding letters of credit.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Debt Fair Value&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Our long-term debt fair value estimates are classified within Level 2 of the fair value hierarchy.  The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&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:11.619%"/&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:11.619%"/&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:11.624%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;As of March 31, 2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Carrying&lt;br/&gt;Amount&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Fair&#160;Value&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Carrying&lt;br/&gt;Amount&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Fair&#160;Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Pinnacle West&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;646,525&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;653,395&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;496,321&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;509,050&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;APS&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;5,818,520&#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;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,436,224&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;5,817,945&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;7,103,791&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,465,045&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;7,089,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,314,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;7,612,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:LongTermDebtTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83My9mcmFnOjUxZGFlNzFlMzVmYjQ5NmFiNDhhOWE5YzMyYWFjN2I3L3RleHRyZWdpb246NTFkYWU3MWUzNWZiNDk2YWI0OGE5YTljMzJhYWM3YjdfNDA3Mg_ea4fc7a1-af0d-45a3-92fb-1b5bb87f4671">The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&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:11.619%"/&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:11.619%"/&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:11.624%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;As of March 31, 2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Carrying&lt;br/&gt;Amount&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Fair&#160;Value&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Carrying&lt;br/&gt;Amount&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Fair&#160;Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Pinnacle West&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;646,525&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;653,395&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;496,321&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;509,050&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;APS&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;5,818,520&#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;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,436,224&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;5,817,945&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;7,103,791&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,465,045&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;7,089,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,314,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;7,612,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:FairValueByBalanceSheetGroupingTextBlock>
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    <pnw:RegulatoryMattersTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMTA_86d3cea4-143c-40d2-8573-8378d6a9e484">Regulatory Matters &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;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 style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Due to the COVID-19 pandemic, APS voluntarily suspended disconnections of customers for nonpayment and waived late payment fees beginning March 13, 2020 until December 31, 2020.   The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and customers were automatically placed on eight-month payment arrangements if they had past due balances at the end of the disconnection period of $75 or greater.  APS will continue to waive late payment fees until October 15, 2021.  APS has experienced and is continuing to experience an increase in bad debt expense associated with the COVID-19 pandemic, the Summer Disconnection Moratorium (defined below) and the related write-offs of customer delinquent accounts.  Due to COVID-19, APS also delayed the reset of the Environmental Improvement Surcharge (&#x201c;EIS&#x201d;) adjustor and suspended the discontinuation of TEAM Phase II to the first billing cycle in May 2020 rather than April 2020.  In February 2021, APS delayed the annual reset of the PSA. Rather than the increase being effective February 2021, the PSA reset will be implemented with 50% of the increase effective April 2021 and the remaining 50% increase effective November 2021 &lt;/span&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(see below for discussion of EIS, TEAM Phase II and PSA).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On April 17, 2020, APS filed an application with the ACC requesting a COVID-19 emergency relief package to provide additional assistance to its customers.  On May 5, 2020, the ACC approved APS returning $36 million that had been collected through the Demand Side Management (&#x201c;DSM&#x201d;) Adjustor Charge, but not allocated for current DSM programs, directly to customers through a bill credit in June 2020.  APS has refunded approximately $43&#160;million to customers.  The additional $7&#160;million over the approved amount of $36&#160;million was the result of the kWh credit being based on historic consumption, which was different than actual consumption in the refund period.  This difference was recorded to the DSM balancing account and will be addressed in subsequent DSM filings (see below for discussion of the DSM Adjustor Charge).  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In 2020, APS spent more than $15&#160;million to assist customers and local non-profits and community organizations to help with the impact of the COVID-19 pandemic, with $12.4&#160;million of these dollars directly committed to bill assistance programs (the &#x201c;COVID Customer Support Fund&#x201d;).  The COVID Customer Support Fund was comprised of a series of voluntary commitments of funds that are not recoverable through rates throughout 2020 of approximately $8.8&#160;million. An additional $3.6&#160;million in bill credits for limited income customers was ordered by the ACC in December 2020 of which 50%, up to a maximum of  $2.5&#160;million, was committed to be funds that are not recoverable through rates with the remaining being deferred for potential future recovery in rates.  Included in the COVID Customer Support Fund were programs that assisted customers that had a delinquency of two or more months with a one-time credit of $100, an expanded credit of $300 for limited income customers, programs to assist extra small and small non-residential customers with a one-time credit of $1,000, and other targeted programs allocated to assist with other COVID-19 needs in support of utility bill assistance.  The December 2020 ACC order further assisted delinquent limited income customers with an additional bill credit of up to $250 or their delinquent balance, whichever was less.  APS has distributed all funds for all COVID Customer Support Fund programs combined.  Beyond the COVID Customer Support Fund, APS has also provided $2.7&#160;million to assist local non-profits and community organizations working to mitigate the impacts of the COVID-19 pandemic.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;2019 Retail Rate Case Filing with the Arizona Corporation Commission&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In accordance with the requirements of the 2019 rate review order described below, APS filed an application with the ACC on October 31, 2019 seeking an increase in annual retail base rates of&#160;$69 million.  This amount includes recovery of the deferral and rate base effects of the Four Corners selective catalytic reduction (&#x201c;SCR&#x201d;) project that is currently the subject of a separate proceeding (see &#x201c;SCR Cost Recovery&#x201d; below).  It also reflects a net credit to base rates of approximately $115 million primarily due to the prospective inclusion of rate refunds currently provided through the Tax Expense Adjustment Mechanism (&#x201c;TEAM&#x201d;).  The proposed total annual revenue increase in APS&#x2019;s application is $184 million.  The average annual customer bill impact of APS&#x2019;s request is an increase of&#160;5.6%&#160;(the average annual bill impact for a typical APS residential customer is 5.4%).&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The principal provisions of APS&#x2019;s application were:&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:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a test year comprised of twelve months ended June 30, 2019, adjusted as described below;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;an original cost rate base of $8.87 billion, which approximates the ACC-jurisdictional portion of the book value of utility assets, net of accumulated depreciation and other credits;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;the following proposed capital structure and costs of capital:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;padding-left:54pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:90.058%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.861%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.425%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.309%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.309%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.244%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.311%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;Capital&#160;Structure&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;Cost&#160;of&#160;Capital&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"&gt;45.3&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"&gt;4.10&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Common stock 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"&gt;54.7&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"&gt;10.15&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Weighted-average cost of capital&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"&gt;7.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a&#160;1%&#160;return on the increment of fair value rate base above APS&#x2019;s original cost rate base, as provided for by Arizona law;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a rate of $0.030168 per kWh for the portion of APS&#x2019;s retail base rates attributable to fuel and purchased power costs (&#x201c;Base Fuel Rate&#x201d;);&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;authorization to defer until APS&#x2019;s next general rate case the increase or decrease in its Arizona property taxes attributable to tax rate changes after the date the rate application is adjudicated;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a number of proposed rate and program changes for residential customers, including:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:90pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x25aa;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt"&gt;a super off-peak period during the winter months for APS&#x2019;s time-of-use with demand rates;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:90pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x25aa;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt"&gt;additional $1.25 million in funding for APS&#x2019;s limited-income crisis bill program; and&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:90pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x25aa;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt"&gt;a flat bill/subscription rate pilot program; &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;proposed rate design changes for commercial customers, including an experimental program designed to provide access to market pricing for up to 200 MW of medium and large commercial customers;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project (see discussion below of the 2017 Settlement Agreement); and&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;continued recovery of the remaining investment and other costs related to the retirement and closure of the Navajo Generating Station (the &#x201c;Navajo Plant&#x201d;) (see &#x201c;Navajo Plant&#x201d; below).&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-indent:36pt"&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On October 2, 2020, the ACC Staff, the Residential Utility Consumer Office (&#x201c;RUCO&#x201d;) and other intervenors filed their initial written testimony with the ACC in this rate case.  The ACC Staff recommends, among other things, a (i) $89.7&#160;million revenue increase, (ii) average annual customer bill increase of 2.7%, (iii) return on equity of 9.4%, (iv) a 0.3% or, as an alternative, a 0% return on the increment of fair value rate base &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;greater than original cost&lt;/span&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;, (v)  recovery of the deferral and rate base effects of the construction and operating costs of the Four Corners SCR project and (vi) recovery of the rate base effects of the construction and ongoing consideration of the deferral of the Ocotillo modernization project.  RUCO recommends, among other things, a (i) $20.8&#160;million revenue decrease, (ii) average annual customer bill decrease of 0.63%, (iii) return on equity of 8.74%, (iv) a 0% return on the increment of fair value rate base, (v)  nonrecovery of the &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;deferral and rate base effects of the construction and operating costs of the Four Corners SCR project pending further consideration, and (vi) recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;The filed ACC Staff and intervenor testimony include additional recommendations, some of which materially differ from APS&#x2019;s filed application. On November 6, 2020, APS filed its rebuttal testimony and the principal provisions which differ from its initial application include, among other things, a (i) $169&#160;million revenue increase, (ii) average annual customer bill increase of 5.14%, (iii) return on equity of 10%, (iv) return on the increment of fair value rate base of 0.8%, (v) new cost recovery adjustor mechanism, the Advanced Energy Mechanism (&#x201c;AEM&#x201d;), to enable more timely recovery of clean investments as APS pursues its clean energy commitment, (vi) recognition that securitization is a potentially useful financing tool to recover the remaining book value of retiring assets and effectuate a transition to a cleaner energy future that APS intends to pursue, provided legislative hurdles are addressed, and (vii) a Coal Community Transition (&#x201c;CCT&#x201d;) plan related to the closure or future closure of coal-fired generation facilities, of which $25&#160;million would be funds that are not recoverable through rates with a proposal that the remainder be funded by customers over 10 years.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;The CCT plan includes the following proposed components: (i) $100&#160;million that will be paid over 10 years to the Navajo Nation for a sustainable transition to a post-coal economy, which would be funded by customers, (ii) $1.25&#160;million that will be paid over five years to the Navajo Nation to fund an economic development organization, which would be funds not recoverable through rates, (iii) $10&#160;million to facilitate electrification projects within the Navajo Nation, which would be funded equally by funds not recoverable through rates and by customers, (iv) $2.5&#160;million per year in transmission revenue sharing to be paid to the Navajo Nation beginning after the closure of the Four Corners Power Plant through 2038, which would be funds not recoverable through rates, (v) $12&#160;million that will be paid over five years to the Navajo County Communities surrounding Cholla Power Plant, which would primarily be funded by customers, and (vi) $3.7&#160;million that will be paid over five years to the Hopi Tribe related to APS&#x2019;s ownership interests in the Navajo Generating Station, which would primarily be funded by customers. The commitment of funds that would not be recoverable through rates of $25&#160;million were recognized in our December 31, 2020 financials.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On December 4, 2020, the ACC Staff and intervenors filed surrebuttal testimony.  The ACC Staff reduced its recommended rate increase to $59.8&#160;million, or an average annual customer bill increase of 1.82%.  In RUCO&#x2019;s surrebuttal, the recommended revenue decrease changed to $50.1&#160;million, or an average annual customer bill decrease of 1.52%.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;The hearing concluded on March 3, 2021 and the post-hearing briefing schedule concluded on April 30, 2021.  In May 2021, the ACC will be discussing whether to re-open the evidentiary record in APS&#x2019;s pending rate case to take additional evidence on topics raised by certain ACC Commissioners, including adjustor cost recovery mechanisms.  APS believes that the rate case record is sufficient, and adjustors provide substantial benefits to customers by supporting critical programs and reflecting changes in utility costs that can be promptly passed along to customers. Pending this decision, the next steps in this rate case are that the Administrative Law Judge will issue a Recommended Order and Opinion and then the ACC will review and consider the matter, which is anticipated to be in the third quarter of 2021.  Unfavorable ACC Staff and intervenor positions and recommendations, including modifications or elimination of APS's adjustor cost recovery mechanisms could have a material impact on APS&#x2019;s financial statements if ultimately adopted by the ACC.  APS cannot predict the outcome or timing of this proceeding.  &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;2016 Retail Rate Case Filing with the Arizona Corporation Commission&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On June&#160;1, 2016, APS filed an application with the ACC for an annual increase in retail base rates.  On March 27, 2017, a majority of the stakeholders in the general retail rate case, including the ACC Staff, RUCO, limited income advocates and private rooftop solar organizations signed a settlement agreement (the &#x201c;2017 Settlement Agreement&#x201d;) and filed it with the ACC.  The 2017 Settlement Agreement provides for a net retail base rate increase of $94.6 million, excluding the transfer of adjustor balances, consisting of: (1) a non-fuel, non-depreciation, base rate increase of $87.2 million per year; (2) a base rate decrease of $53.6 million attributable to reduced fuel and purchased power costs; and (3) a base rate increase of $61.0 million due to changes in depreciation schedules.  The average annual customer bill impact under the 2017 Settlement Agreement was calculated as an increase of 3.28% (the average annual bill impact for a typical APS residential customer was calculated as an increase of 4.54%).&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;text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Other key provisions of the agreement include the following:&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="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;an authorized return on common equity of 10.0%;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a capital structure comprised of 44.2% debt and 55.8% common equity;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a cost deferral order for potential future recovery in APS&#x2019;s next general retail rate case for the construction and operating costs APS incurs for its Ocotillo modernization project; &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a cost deferral and procedure to allow APS to request rate adjustments prior to its next general retail rate case related to its share of the construction costs associated with installing SCR equipment at the Four Corners Power Plant (&#x201c;Four Corners&#x201d;); &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a deferral for future recovery (or credit to customers) of the Arizona property tax expense above or below a specified test year level caused by changes to the applicable Arizona property tax rate;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;an expansion of the Power Supply Adjustor (&#x201c;PSA&#x201d;) to include certain environmental chemical costs and third-party energy storage costs;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;a new AZ Sun II program (now known as &#x201c;APS Solar Communities&#x201d;) for utility-owned solar distributed generation with the purpose of expanding access to rooftop solar for low and moderate income Arizonans, recoverable through the Arizona Renewable Energy Standard and Tariff (&#x201c;RES&#x201d;), to be no less than $10 million per year in capital costs, and not more than $15 million per year in capital costs;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;an increase to the per kWh cap for the environmental improvement surcharge from $0.00016 to $0.00050 and the addition of a balancing account;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;rate design changes, including:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:108pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x25aa;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt"&gt;a change in the on-peak time of use period from noon-7 p.m. to 3 p.m.-8 p.m. Monday through Friday, excluding holidays; &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:108pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x25aa;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt"&gt;non-grandfathered distributed generation (&#x201c;DG&#x201d;) customers would be required to select a rate option that has time of use rates and either a new grid access charge or demand component; &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:108pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x25aa;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt"&gt;a Resource Comparison Proxy (&#x201c;RCP&#x201d;) for exported energy of 12.9 cents per kWh in year one; and&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;an agreement by APS not to pursue any new self-build generation (with certain exceptions) having an in-service date prior to January 1, 2022 (extended to December 31, 2027 for combined-cycle generating units), unless expressly authorized by the ACC. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Through a separate agreement, APS, industry representatives, and solar advocates committed to stand by the 2017 Settlement Agreement and refrain from seeking to undermine it through ballot initiatives, legislation or advocacy at the ACC.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On August 15, 2017, the ACC approved (by a vote of 4-1) the 2017 Settlement Agreement without material modifications.&#160; On August 18, 2017, the ACC issued a final written Opinion and Order reflecting its decision in APS&#x2019;s general retail rate case (the &#x201c;2017 Rate Case Decision&#x201d;), which is subject to requests for rehearing and potential appeal.  The new rates went into effect on August 19, 2017.   &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On January 3, 2018, an APS customer filed a petition with the ACC that was determined by the ACC Staff to be a complaint filed pursuant to Arizona Revised Statute &#xa7;40-246 (the &#x201c;Complaint&#x201d;).  The Complaint was later amended alleging that the rates and charges in the 2017 Rate Case Decision are not just and reasonable.  The ACC held a hearing on this matter, and the Administrative Law Judge issued a Recommended Opinion and Order recommending that the Complaint be dismissed.  On July 3, 2019, the Administrative Law Judge issued an amendment to the Recommended Opinion and Order that incorporated the requirements of the rate review of the 2017 Rate Case Decision (see below discussion regarding the rate review).  On July 10, 2019, the ACC adopted the Administrative Law Judge&#x2019;s amended Recommended Opinion and Order along with several ACC Commissioner amendments and an amendment incorporating the results of the rate review and resolved the Complaint.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:107%"&gt; See &#x201c;Rate Plan Comparison Tool and Investigation&#x201d; below for information regarding a review and investigation pertaining to the rate plan comparison tool offered to APS customers and other related issues.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:107%"&gt;ACC Review of APS 2017 Rate Case Decision &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On December 24, 2018, certain ACC Commissioners filed a letter stating that because the ACC had received a substantial number of complaints that the rate increase authorized by the 2017 Rate Case Decision was much more than anticipated, they believe there is a possibility that APS is earning more than was authorized by the 2017 Rate Case Decision.&#160; Accordingly, the ACC Commissioners requested the ACC Staff to perform a rate review of APS using calendar year 2018 as a test year.  The ACC Commissioners also asked the ACC Staff to evaluate APS&#x2019;s efforts to educate its customers regarding the new rates approved in the 2017 Rate Case Decision. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On June 4, 2019, the ACC Staff filed a proposed order regarding the rate review of the 2017 Rate Case Decision.  On June 11, 2019, the ACC Commissioners approved the proposed ACC Staff order with amendments.  The key provisions of the amended order include the following:&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;APS must file a rate case no later than October 31, 2019, using a June 30, 2019 test year;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;until the conclusion of the rate case being filed no later than October 31, 2019, APS must provide information on customer bills that shows how much a customer would pay on their most economical rate given their actual usage during each month;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;APS customers can switch rate plans during an open enrollment period of six months;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;APS must identify customers whose bills have increased by more than 9% and that are not on the most economical rate and provide such customers with targeted education materials and an opportunity to switch rate plans;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;APS must provide grandfathered net metering customers on legacy demand rates an opportunity to switch to another legacy rate to enable such customers to fully benefit from legacy net metering rates;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;APS must fund and implement a supplemental customer education and outreach program to be developed with and administered by ACC Staff and a third-party consultant; and&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;APS must fund and organize, along with the third-party consultant, a stakeholder group to suggest better ways to communicate the impact of changes to adjustor cost recovery mechanisms (see below for discussion on cost recovery mechanisms), including more effective ways to educate customers on rate plans and to reduce energy usage. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS filed its rate case on October 31, 2019 (see &#x201c;2019 Retail Rate Case Filing with the Arizona Corporation Commission&#x201d; above for more information).  APS does not believe that the implementation of the other key provisions of the amended order regarding the rate review will have a material impact on its financial position, results of operations 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 style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On May 19, 2020, the ACC Staff filed a third-party consultant&#x2019;s report which evaluated the effectiveness of APS&#x2019;s customer outreach and education program related to the 2017 Rate Case Decision.  On May 29, 2020, the Chairman of the ACC filed a letter with the ACC in response to this report and is alleging that APS is out of compliance with the 2017 Rate Case Decision and is over-earning.  The Chairman proposed that the current rates should be classified as interim rates and customers held harmless if APS&#x2019;s activities have caused the rates set in the 2017 Rate Case Decision to not be just and reasonable.  Also, on May 29, 2020, a second commissioner filed a letter with the ACC agreeing with the Chairman&#x2019;s assertions and further asserting that the 2017 Rate Case Decision should be re-opened.  On June 18, 2020, at an ACC Open Meeting, the matters raised in these letters were discussed.  The ACC did not vote to move forward with any adjustments to APS&#x2019;s current rates.  On November 4, 2020, the ACC voted to administratively close this docket.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Cost Recovery Mechanisms &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS has received regulatory decisions that allow for more timely recovery of certain costs outside of a general retail rate case through the following recovery mechanisms.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Renewable Energy Standard&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160; In 2006, the ACC approved the RES.&#160; Under the RES, electric utilities that are regulated by the ACC must supply an increasing percentage of their retail electric energy sales from eligible renewable resources, including solar, wind, biomass, biogas and geothermal technologies.&#160; In order to achieve these requirements, the ACC allows APS to include a RES surcharge as part of customer bills to recover the approved amounts for use on renewable energy projects.&#160; Each year APS is required to file a five-year implementation plan with the ACC and seek approval for funding the upcoming year&#x2019;s RES budget.  In 2015, the ACC revised the RES rules to allow the ACC to consider all available information, including the number of rooftop solar arrays in a utility&#x2019;s service territory, to determine compliance with the RES. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On November 20, 2017, APS filed an updated 2018 RES budget to include budget adjustments for APS Solar Communities (formerly known as AZ Sun II), which was approved as part of the 2017 Rate Case Decision.  APS Solar Communities is a 3-year program authorizing APS to spend $10 million to $15 million in capital costs each year to install utility-owned DG systems for low to moderate income residential homes, non-profit entities, Title I schools and rural government facilities.  The 2017 Rate Case Decision provided that all operations and maintenance expenses, property taxes, marketing and advertising expenses, and the capital carrying costs for this program will be recovered through the RES. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On June 29, 2018, APS filed its 2019 RES Implementation Plan and proposed a budget of approximately $89.9 million.&#160; APS&#x2019;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2019 contained in the RES rules.  On October 29, 2019, the ACC approved the 2019 RES Implementation Plan including a waiver of the residential distributed energy requirements for the 2019 implementation year.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On July 1, 2019, APS filed its 2020 RES Implementation Plan and proposed a budget of approximately $86.3 million.  APS&#x2019;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2020 contained in the RES rules.  On September 23, 2020, the ACC approved the 2020 RES Implementation Plan including a waiver of the residential distributed energy requirements for the 2020 implementation year. In addition, the ACC approved the implementation of a new pilot program that incentivizes Arizona households to install at-home battery &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;systems.  Recovery of the costs associated with the pilot will be addressed in the 2021 Demand Side Management Implementation Plan (&#x201c;DSM Plan&#x201d;).&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On July 1, 2020, APS filed its 2021 RES Implementation Plan and proposed a budget of approximately $84.7 million.&#160; APS&#x2019;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2021 contained in the RES rules.  In the 2021 RES Implementation Plan, APS requested $4.5&#160;million to meet revenue requirements associated with the APS Solar Communities program to complete installations delayed as a result of the COVID-19 pandemic in 2020.  The ACC has not yet ruled on the 2021 RES Implementation 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="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On July 30, 2020, ACC Staff issued final draft rules which, if approved, would require APS to meet certain clean energy standards and technology procurement mandates, obtain approval for its action plan included in its IRP, and seek cost recovery in a rate process.  APS cannot predict the outcome of this matter.  See &#x201c;Energy Modernization Plan&#x201d; below for more information.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Demand Side Management Adjustor Charge&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160; The ACC Electric Energy Efficiency Standards require APS to submit a DSM Plan annually for review by and approval of the ACC.  Verified energy savings from APS&#x2019;s resource savings projects can be counted toward compliance with the Electric Energy Efficiency Standards; however, APS is not allowed to count savings from systems savings projects toward determination of the achievement of performance incentives, nor may APS include savings from these system savings projects in the calculation of its Lost Fixed Cost Recovery (&#x201c;LFCR&#x201d;) mechanism (see below for discussion of the LFCR).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On September 1, 2017, APS filed its 2018 DSM Plan, which proposed modifications to the demand side management portfolio to better meet system and customer needs by focusing on peak demand reductions, storage, load shifting and demand response programs in addition to traditional energy savings measures. The 2018 DSM Plan sought a requested budget of $52.6 million and requested a waiver of the Electric Energy Efficiency Standard for 2018.&#160;&#160; On November 14, 2017, APS filed an amended 2018 DSM Plan, which revised the allocations between budget items to address customer participation levels but kept the overall budget at $52.6 million. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On December 31, 2018, APS filed its 2019 DSM Plan, which requested a budget of $34.1 million and focused on DSM strategies to better meet system and customer needs, such as peak demand reduction, load shifting, storage and electrification strategies.  &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On December 31, 2019, APS filed its 2020 DSM Plan, which requested a budget of $51.9 million and continued APS&#x2019;s focus on DSM strategies such as peak demand reduction, load shifting, storage and electrification strategies.  The 2020 DSM Plan addressed all components of the pending 2018 and 2019 DSM plans, which enabled the ACC to review the 2020 DSM Plan only.  On May 15, 2020, APS filed an amended 2020 DSM Plan to provide assistance to customers experiencing economic impacts of the COVID-19 pandemic.  The amended 2020 DSM Plan requested the same budget amount of $51.9 million.  On    September 23, 2020, the ACC approved the amended 2020 DSM 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="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On April 17, 2020, APS filed an application with the ACC requesting a COVID-19 emergency relief package to provide additional assistance to its customers.  On May 5, 2020, the ACC approved APS returning $36 million that had been collected through the DSM Adjustor Charge, but not allocated for current DSM programs, directly to customers through a bill credit in June 2020.  APS has refunded approximately $43&#160;million to customers.  The additional $7&#160;million over the approved amount was the result of the kWh credit being based on historic consumption which was different than actual consumption in the refund period.  This difference was recorded to the DSM balancing account and will be addressed in subsequent DSM filings.  See &#x201c;COVID-19 Pandemic&#x201d; above for more information.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On December 31, 2020, APS filed its 2021 DSM Plan, which requested a budget of $63.7&#160;million and continued APS&#x2019;s focus on DSM strategies, such as peak demand reduction, load shifting, storage and electrification strategies, as well as enhanced assistance to customers impacted economically by COVID-19.  On April 6, 2021, APS filed an amended 2021 DSM Plan that proposed an additional performance incentive for customers participating in the residential energy storage pilot approved in the 2020 RES Implementation Plan.  The ACC has not yet ruled on the amended APS 2021 DSM Plan. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On April 20, 2021, APS filed a request to extend the June 1, 2021 deadline to file its 2022 DSM Plan until 120 days after the ACC has taken action on APS's amended 2021 DSM Plan.  The ACC has not ruled on this request.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:115%"&gt;Power Supply Adjustor Mechanism and Balance.&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt; The PSA provides for the adjustment of retail rates to reflect variations primarily in retail fuel and purchased power costs.&#160; The following table shows the changes in the deferred fuel and purchased power regulatory asset for 2021 and 2020 (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:11.619%"/&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:11.621%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Beginning balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;175,835&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;70,137&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Deferred fuel and purchased power costs &#x2014; current period&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;52,210&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;5,785&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts refunded to customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;564&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,808&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Ending balance&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;228,609&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;77,730&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;The PSA rate for the PSA year beginning February 1, 2019 was $0.001658 per kWh, as compared to the $0.004555 per kWh for the prior year.  This rate was comprised of a forward component of $0.000536 per kWh and a historical component of $0.001122 per kWh.  This represented a $0.002897 per kWh decrease compared to 2018.  These rates went into effect as filed on February 1, 2019.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On November 27, 2019, APS filed its PSA rate for the PSA year beginning February 1, 2020.  That rate was $(0.000456) per kWh and consisted of a forward component of $(0.002086) per kWh and a historical component of $0.001630 per kWh.  The 2020 PSA rate is a $0.002115 per kWh decrease compared to the 2019 PSA year.  These rates went into effect as filed on February 1, 2020.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On November 30, 2020, APS filed its PSA rate for the PSA year beginning February 1, 2021.  That rate was $0.003544 per kWh and consisted of a forward component of $0.003434 per kWh and a historical component of $0.000110 per kWh.  The 2021 PSA rate is a $0.004 per kWh increase, compared to the 2020 PSA year.  These rates were to be effective on February 1, 2021 but APS delayed the effectiveness of these rates until the first billing cycle of April 2021 due to concerns of the impact on customers during COVID-19. In March 2021, the ACC voted to implement the 2021 PSA, with 50% of the rate increase effective in April 2021 and the remaining 50% of the increase effective in November 2021.  The PSA rate implemented was $0.001544 per kWh and consisted of a forward component of $(0.004444) per kWh and a historical component of $0.005988 per kWh.  As part of this approval, the ACC ordered ACC Staff to conduct a fuel and purchased power procurement audit to better understand the factors that contributed to the increase.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On March 15, 2019, APS filed an application with the ACC requesting approval to recover the costs related to two energy storage power purchase tolling agreements through the PSA.  On December 29, 2020, the ACC Staff filed its report and recommended the storage costs be included in the PSA once the systems are in-service.  On January 12, 2021, the ACC approved this application. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:115%"&gt;Environmental Improvement Surcharge.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;  The EIS permits APS to recover the capital carrying costs (rate of return, depreciation and taxes) plus incremental operations and maintenance expenses associated with environmental improvements made outside of a test year to comply with environmental standards set by federal, state, tribal, or local laws and regulations.&#160; A filing is made on or before February 1 for qualified environmental improvements made during the prior calendar year, and the new charge becomes effective  April 1 unless suspended by the ACC.&#160; There is an overall cap of $0.0005 per kWh (approximately $13 million to $14 million per year).&#160; APS&#x2019;s February 1, 2021 application requested an increase in the charge to $10.3&#160;million, or $1.5&#160;million over the prior-period charge and it became effective with the first billing cycle in April 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Transmission Rates, Transmission Cost Adjustor (&#x201c;TCA&#x201d;) and Other Transmission Matters&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;.&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt; In July&#160;2008, FERC approved a modification to APS&#x2019;s Open Access Transmission Tariff to allow APS to move from fixed rates to a formula rate-setting methodology in order to more accurately reflect and recover the costs that APS incurs in providing transmission services.&#160; A large portion of the rate represents charges for transmission services to serve APS&#x2019;s retail customers (&#x201c;Retail Transmission Charges&#x201d;).&#160; In order to recover the Retail Transmission Charges, APS was previously required to file an application with, and obtain approval from, the ACC to reflect changes in Retail Transmission Charges through the TCA.&#160; Under the terms of the settlement agreement entered into in 2012 regarding APS&#x2019;s rate case (&#x201c;2012 Settlement Agreement&#x201d;), however, an adjustment to rates to recover the Retail Transmission Charges will be made annually each June&#160;1 and will go into effect automatically unless suspended by the ACC.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The formula rate is updated each year effective June&#160;1 on the basis of APS&#x2019;s actual cost of service, as disclosed in APS&#x2019;s FERC Form&#160;1 report for the previous fiscal year.&#160; Items to be updated include actual capital expenditures made as compared with previous projections, transmission revenue credits and other items.&#160; The resolution of proposed adjustments can result in significant volatility in the revenues to be collected.&#160; APS reviews the proposed formula rate filing amounts with the ACC Staff.&#160; Any items or adjustments which are not agreed to by APS and the ACC Staff can remain in dispute until settled or litigated at FERC.&#160; Settlement or litigated resolution of disputed issues could require an extended period of time and could have a significant effect on the Retail Transmission Charges because any adjustment, though applied prospectively, may be calculated to account for previously over- or under-collected amounts.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On March 7, 2018, APS made a filing to make modifications to its annual transmission formula to provide transmission customers the benefit of the reduced federal corporate income tax rate resulting from the Tax Cuts and Jobs Act (&#x201c;Tax Act&#x201d;) beginning in its 2018 annual transmission formula rate update filing. These modifications were approved by FERC on May 22, 2018 and reduced APS&#x2019;s transmission rates compared to the rate that would have gone into effect absent these changes.  On March 17, 2020, APS made a filing to make further modifications to its annual transmission formula to provide additional transparency for excess and deficient Accumulated Deferred Income Taxes resulting from the Tax Act, as well as for future local, state, and federal statutory tax rate changes.  This filing is pending with FERC.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Effective June&#160;1, 2019, APS&#x2019;s annual wholesale transmission rates for all users of its transmission system increased by approximately $25.8 million for the twelve-month period beginning June 1, 2019 in accordance with the FERC-approved formula.  Of this amount, retail customer rates increased by approximately $4.7 million.  An adjustment to APS&#x2019;s retail rates to recover FERC approved transmission charges went into effect automatically on June&#160;1, 2019.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Effective June&#160;1, 2020, APS&#x2019;s annual wholesale transmission rates for all users of its transmission system decreased by approximately $6.1 million for the twelve-month period beginning June 1, 2020 in accordance with the FERC-approved formula.&#160; Of this amount, retail customer rates decreased by approximately $10.9 million.  An adjustment to APS&#x2019;s retail rates to recover FERC approved transmission charges went into effect automatically on June&#160;1, 2020.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Lost Fixed Cost Recovery Mechanism&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160; The LFCR mechanism permits APS to recover on an after-the-fact basis a portion of its fixed costs that would otherwise have been collected by APS in the kWh sales lost due to APS energy efficiency programs and to DG such as rooftop solar arrays.&#160; The fixed costs recoverable by the LFCR mechanism are currently 2.5 cents for both lost residential and non-residential kWh as set forth in the 2017 Settlement Agreement.&#160; The LFCR adjustment has a year-over-year cap of 1% of retail revenues.&#160; Any amounts left unrecovered in a particular year because of this cap can be carried over for recovery in a future year.&#160; The kWhs lost from energy efficiency are based on a third-party evaluation of APS&#x2019;s energy efficiency programs.&#160; DG sales losses are determined from the metered output from the DG units.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On February 15, 2018, APS filed its 2018 annual LFCR adjustment, requesting that effective May 1, 2018, the LFCR be adjusted to $60.7 million.  On February 6, 2019, the ACC approved the 2018 annual LFCR adjustment to become effective March 1, 2019.  On February 15, 2019, APS filed its 2019 annual LFCR adjustment, requesting that effective May 1, 2019, the annual LFCR recovery amount be reduced to $36.2 million (a $24.5 million decrease from previous levels).  On July 10, 2019, the ACC approved APS&#x2019;s 2019 LFCR adjustment as filed, effective with the next billing cycle of July 2019.  On February 14, 2020, APS filed its 2020 annual LFCR adjustment, requesting that effective May 1, 2020, the annual LFCR recovery amount be reduced to $26.6 million (a $9.6 million decrease from previous levels).  On April 14, 2020, the ACC approved the 2020 LFCR adjustment as filed, effective with the first billing cycle in May 2020.  On February 15, 2021, APS filed its 2021 annual LFCR adjustment, requesting that effective May 1, 2021, the annual LFCR recovery amount be increased to $38.5&#160;million (an $11.8&#160;million increase from previous levels).  On April 13, 2021, the ACC voted not to approve the requested $11.8&#160;million increase to the annual LFCR adjustment, thus the previously approved rates continue to remain intact. The $11.8&#160;million will continue to be maintained in the LFCR regulatory asset balancing account and will be requested as part of APS&#x2019;s next LFCR application filing in 2022.  The ACC has not yet released its order on this matter.  APS does not anticipate that the order will have a material impact on its financial position, results of operations and cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Tax Expense Adjustor Mechanism&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;.&#160; As part of the 2017 Settlement Agreement, the parties agreed to a rate adjustment mechanism to address potential federal income tax reform and enable the pass-through of certain income tax effects to customers. The TEAM expressly applies to APS&#x2019;s retail rates with the exception of a small subset of customers taking service under specially-approved tariffs.  On December 22, 2017, the Tax Act was enacted.&#160; This legislation made significant changes to the federal income tax laws including a reduction in the corporate tax rate from 35% to 21% effective January 1, 2018.  &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On January 8, 2018, APS filed an application with the ACC that addressed the change in the marginal federal tax rate from 35% to 21% resulting from the Tax Act and reduced rates by $119.1 million annually through an equal cents per kWh credit (&#x201c;TEAM Phase I&#x201d;).&#160; On February 22, 2018, the ACC approved the reduction of rates through an equal cents per kWh credit. The rate reduction was effective for the first billing cycle in March 2018. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The impact of the TEAM Phase I, over time, is expected to be earnings neutral. However, on a quarterly basis, there is a difference between the timing and amount of the income tax benefit and the reduction in revenues refunded through the TEAM Phase I related to the lower federal income tax rate. The amount of the benefit of the lower federal income tax rate is based on quarterly pre-tax results, while the reduction in revenues refunded through the TEAM Phase I is based on a per kWh sales credit which follows our seasonal kWh sales pattern and is not impacted by earnings of 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 style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On August 13, 2018, APS filed a second request with the ACC that addressed the return of an additional $86.5 million in tax savings to customers related to the amortization of non-depreciation related excess deferred taxes previously collected from customers (&#x201c;TEAM Phase II&#x201d;).&#160;The ACC approved this request on March 13, 2019, effective the first billing cycle in April 2019 through the last billing cycle in March 2020.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On March 19, 2020, due to the COVID-19 pandemic, APS delayed the discontinuation of TEAM Phase II until the first billing cycle in May 2020. &#160;Amounts credited to customers after the last billing cycle in March 2020 will be recorded as a part of the balancing account and will be addressed for recovery as part of APS&#x2019;s 2019 ACC rate case.  Both the timing of the reduction in revenues refunded through TEAM Phase II and the offsetting income tax benefit are recognized based upon our seasonal kWh sales pattern.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On April 10, 2019, APS filed a third request with the ACC that addressed the amortization of depreciation related excess deferred taxes over a 28.5-year period consistent with IRS normalization rules (&#x201c;TEAM Phase III&#x201d;). &#160;On October 29, 2019, the ACC approved TEAM Phase III providing both (i) a one-time bill credit of $64 million, which was credited to customers on their December 2019 bills, and (ii) a monthly bill credit effective the first billing cycle in December 2019 which will provide an additional benefit of $39.5 million to customers through December 31, 2020.  On November 20, 2020, APS filed an application to continue the TEAM Phase III monthly bill credit through the earlier of December 31, 2021, or at the conclusion of APS&#x2019;s 2019 pending rate case.  On December 9, 2020, the ACC approved this request. Both the timing of the reduction in revenues refunded through the TEAM Phase III monthly bill credit and the offsetting income tax benefit are recognized based upon APS&#x2019;s seasonal kWh sales pattern.  &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Net Metering&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS&#x2019;s 2017 Rate Case Decision provides that payments by utilities for energy exported to the grid from DG solar facilities will be determined using a RCP methodology, a method that is based on the most recent five-year rolling average price that APS pays for utility-scale solar projects, while a forecasted avoided cost methodology is being developed.&#160; The price established by this RCP method will be updated annually (between general retail rate cases) but will not be decreased by more than 10% per year. Once the avoided cost methodology is developed, the ACC will determine in APS&#x2019;s subsequent rate cases which method (or a combination of methods) is appropriate to determine the actual price to be paid by APS for exported distributed energy.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In addition, the ACC made the following determinations:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;customers who have interconnected a DG system or submitted an application for interconnection for DG systems prior to September 1, 2017, based on APS&#x2019;s 2017 Rate Case Decision, will be grandfathered for a period of 20 years from the date the customer&#x2019;s interconnection application was accepted by the utility;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;customers with DG solar systems are to be considered a separate class of customers for ratemaking purposes; and&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;once an export price is set for APS, no netting or banking of retail credits will be available for new DG customers, and the then-applicable export price will be guaranteed for new customers for a period of 10 years. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;This decision of the ACC addresses policy determinations only.  The decision states that its principles will be applied in future general retail rate cases, and the policy determinations themselves may be subject to future change, as are all ACC policies.  A first-year export energy price of 12.9 cents per kWh was included in the 2017 Settlement Agreement and became effective on September 1, 2017. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;In accordance with the 2017 Rate Case Decision, APS filed its request for a third-year export energy price of 10.5 cents per kWh on May 1, 2019.&#160; This price also reflects the 10% annual reduction discussed above. The new rate rider became effective on October 1, 2019.  APS filed its request for a fourth-year export energy price of 9.4 cents per kWh on May 1, 2020, with a requested effective date of September 1, 2020.&#160; This price reflects the 10% annual reduction discussed above.  On September 23, 2020, the ACC approved the &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;annual reduction of the export energy price but voted to delay the effectiveness of the reduction in export prices until October 1, 2021.  APS&#x2019;s export energy price will remain at 10.5 cents per kWh until October 1, 2021.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On January 23, 2017, The Alliance for Solar Choice&#160;(&#x201c;TASC&#x201d;) sought rehearing of the ACC&#x2019;s decision regarding the value and cost of DG. TASC asserted that the ACC improperly ignored the Administrative Procedure Act, failed to give adequate notice regarding the scope of the proceedings, and relied on information that was not submitted as evidence, among other alleged defects. TASC filed a Notice of Appeal in the Arizona Court of Appeals and filed a Complaint and Statutory Appeal in the Maricopa County Superior Court on March&#160;10, 2017.  As part of the 2017 Settlement Agreement described above, TASC agreed to withdraw these appeals when the ACC decision implementing the 2017 Settlement Agreement is no longer subject to appellate review.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;See &#x201c;2016 Retail Rate Case Filing with the Arizona Corporation Commission&#x201d; above for information regarding an ACC order in connection with the rate review of the 2017 Rate Case Decision requiring APS to provide grandfathered net metering customers on legacy demand rates with an opportunity to switch to another legacy rate to enable such customers to benefit from legacy net metering 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Subpoena from Former Arizona Corporation Commissioner Robert Burns&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On August 25, 2016, then-Commissioner Robert Burns, individually and not by action of the ACC as a whole, served subpoenas in APS&#x2019;s then current retail rate proceeding on APS and Pinnacle West for the production of records and information relating to a range of expenditures from 2011 through 2016. The subpoenas requested information concerning marketing and advertising expenditures, charitable donations, lobbying expenses, contributions to 501(c)(3) and (c)(4) nonprofits and political contributions.  The return date for the production of information was set as September 15, 2016. The subpoenas also sought testimony from Company personnel having knowledge of the material, including the Chief Executive Officer. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On September 9, 2016, APS filed with the ACC a motion to quash the subpoenas or, alternatively to stay APS&#x2019;s obligations to comply with the subpoenas and decline to decide APS&#x2019;s motion pending court proceedings. Contemporaneously with the filing of this motion, APS and Pinnacle West filed a complaint for special action and declaratory judgment in the Superior Court of Arizona for Maricopa County, seeking a declaratory judgment that Burns&#x2019; subpoenas are contrary to law.  On September 15, 2016, APS produced all non-confidential and responsive documents and offered to produce any remaining responsive documents that are confidential after an appropriate confidentiality agreement is signed.  &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On February 7, 2017, Burns opened a new ACC docket and indicated that its purpose is to study and rectify problems with transparency and disclosure regarding financial contributions from regulated monopolies or other stakeholders who may appear before the ACC that may directly or indirectly benefit an ACC Commissioner, a candidate for ACC Commissioner, or key ACC Staff.&#160; As part of this docket, Burns set March 24, 2017 as a deadline for the production of all information previously requested through the subpoenas. Neither APS nor Pinnacle West produced the information requested and instead objected to the subpoena.  On March 10, 2017, Burns filed suit against APS and Pinnacle West in the Superior Court of Arizona for Maricopa County in an effort to enforce his subpoenas.  On March 30, 2017, APS filed a motion to dismiss Burns&#x2019; suit against APS and Pinnacle West.   In response to the motion to dismiss, the court stayed the suit and ordered Burns to file a motion to compel the production of the information sought by the subpoenas with the ACC.  On June 20, 2017, the ACC denied the motion to compel. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On August 4, 2017, Burns amended his complaint to add all of the ACC Commissioners and the ACC itself as defendants.  All defendants moved to dismiss the amended complaint.  On February 15, 2018, the &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Superior Court dismissed Burns&#x2019; amended complaint. On March 6, 2018, Burns filed an objection to the proposed final order from the Superior Court and a motion to further amend his complaint.  The Superior Court permitted Burns to amend his complaint to add a claim regarding his attempted investigation into whether his fellow commissioners should have been disqualified from voting on APS&#x2019;s 2017 rate case.  Burns filed his second amended complaint, and all defendants filed responses opposing the second amended complaint and requested that it be dismissed.  Oral argument occurred in November 2018 regarding the motion to dismiss.  On December 18, 2018, the trial court granted the defendants&#x2019; motions to dismiss and entered final judgment on January 18, 2019.  &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On February 13, 2019, Burns filed a notice of appeal.  On July 12, 2019, Burns filed his opening brief in the Arizona Court of Appeals.  APS filed its answering brief on October 21, 2019.  The Arizona Court of Appeals originally granted the request for oral argument; however, on March 31, 2020, the court vacated the date scheduled for oral argument given the COVID-19 pandemic.&#160; The court determined that the matter could be submitted without oral argument and has taken the matter under advisement and will issue a decision without oral argument.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Burns&#x2019; position as an ACC commissioner ended on January 4, 2021.  Nevertheless, Burns filed a motion with the Court of Appeals arguing that the appeal was not mooted by this fact and the court should decide the matter.  Both APS and the ACC filed responses opposing the motion and asserting that the matter is moot.  Pinnacle West and APS cannot predict the outcome of this matter. &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Information Requests from Arizona Corporation Commissioners  &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On January 14, 2019, ACC Commissioner Kennedy opened a docket to investigate campaign expenditures and political participation of APS and Pinnacle West. In addition, on February 27, 2019, ACC Commissioners Burns and Dunn opened a new docket and requested documents from APS and Pinnacle West related to ACC elections and charitable contributions related to the ACC. On March 1, 2019, ACC Commissioner Kennedy issued a subpoena to APS seeking several categories of information for both Pinnacle West and APS, including political contributions, lobbying expenditures, marketing and advertising expenditures, and contributions made to 501(c)(3) and 501(c)(4) entities, for the years 2013-2018.  Pinnacle West and APS voluntarily responded to both sets of requests on March 29, 2019.  APS also received and responded to various follow-on requests from ACC Commissioners on these matters.  Pinnacle West and APS cannot predict the outcome of these matters.  The Company&#x2019;s CEO, Mr. Guldner, appeared at the ACC&#x2019;s January 14, 2020 Open Meeting regarding ACC Commissioners&#x2019; questions about political spending.&#160; Mr. Guldner committed to the ACC that, during his tenure, Pinnacle West and APS, and any of their affiliated companies, will not participate in ACC campaign elections through financial contributions or in-kind contributions.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Energy Modernization 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="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On January 30, 2018, former ACC Commissioner Tobin proposed the Energy Modernization Plan, which consisted of a series of energy policies tied to clean energy sources such as energy storage, biomass, energy efficiency, electric vehicles, and expanded energy planning through the integrated resource plan (&#x201c;IRP&#x201d;) process.  In August 2018, the ACC directed ACC Staff to open a new rulemaking docket which will address a wide range of energy issues, including the Energy Modernization Plan proposals. The rulemaking will consider possible modifications to existing ACC rules, such as the RES, Electric and Gas Energy Efficiency Standards, Net Metering, Resource Planning, and the Biennial Transmission Assessment, as well as the development of new rules regarding forest bioenergy, electric vehicles, interconnection of distributed &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;generation, baseload security, blockchain technology and other technological developments, retail competition, and other energy-related topics. &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;On April 25, 2019, the ACC Staff issued an initial set of draft energy rules and held various workshops to incorporate feedback from stakeholders and ACC Commissioners from April 2019 through July 2020.  At the March 11-12, 2020 workshop, the ACC Staff committed to filing a final draft of proposed rules by July 2020.  On July 30, 2020, the ACC Staff issued final draft energy rules which proposed 100% of retail kWh sales from clean energy resources by the end of 2050.  Nuclear is defined as a clean energy resource. The proposed rules also require 50% of retail energy served be renewable by the end of 2035.  A new energy efficiency standard was not included in the proposed rules.  APS would be required to obtain approval of its action plan included in its IRP and seek recovery of prudently incurred costs in a rate process. If approved by the ACC Commissioners, the rules would require utilities to file a Clean Energy Implementation Plan and Energy Efficiency Report as part of their IRP every three years beginning in 2023. In addition, the ACC Staff proposed changing the IRP planning horizon from 15 years to 10 years.  &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;The ACC has discussed the final draft energy rules at several different meetings in 2020.  On October 14, 2020, the ACC passed one amendment to ACC Staff&#x2019;s final draft energy rules that will require electric utilities to obtain 35% of peak load (as measured in 2020) by 2030 from DSM resources, including traditional energy efficiency, demand response and other programs aimed at reducing energy usage, peak demand management and load shifting.  This standard aligns with the proposed rules&#x2019; three-year resource planning cycle and allows recovery of costs through existing mechanisms until the ACC issues a decision in a future rate proceeding.  On October 29, 2020, the ACC approved an amendment that will require electric utilities to reduce their carbon emissions over 2016-2018 levels by 50% by 2032; 75% by 2040; and 100% by 2050.  The ACC also approved an amendment that will require utilities to install energy storage systems with an aggregate capacity equal to 5% of each utility&#x2019;s 2020 peak demand by 2035, of which 40% must be derived from customer-owned or customer-leased distributed storage.  Another approved amendment modifies the resource planning process, including requirements for the ACC to approve a utility&#x2019;s load forecast and resource plan, and for a utility to perform an all-source request for information to guide its resource plan.  On November 13, 2020, the ACC approved a final draft energy rules package.  On April 19, 2021, the Administrative Law Judge issued a Recommended Order and Opinion on the final energy rules and the ACC will need to review and approve the Recommended Order and Opinion before the rules will take effect.  APS cannot predict the outcome of this matter.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:115%"&gt;Integrated Resource Planning &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;ACC rules require utilities to develop 15-year IRPs which describe how the utility plans to serve customer load in the plan timeframe.&#160; The ACC reviews each utility&#x2019;s IRP to determine if it meets the necessary requirements and whether it should be acknowledged.&#160; In March of 2018, the ACC reviewed the 2017 IRPs of its jurisdictional utilities and voted to not acknowledge any of the plans.&#160; APS does not believe that this lack of acknowledgment will have a material impact on our financial position, results of operations or cash flows.&#160; Based on an ACC decision, APS was originally required to file its next IRP by April 1, 2020. &#160;On February 20, 2020, the ACC extended the deadline for all utilities to file their IRP&#x2019;s from April 1, 2020 to June&#160;26, 2020.  On June 26, 2020, APS filed its final IRP.  On July 15, 2020, the ACC extended the schedule for final ACC review of utility IRPs to February 2021.  In March 2021, the ACC Staff requested additional time to prepare its assessment of utility IRPs.  The ACC has taken no action on APS&#x2019;s IRP.  APS cannot predict the outcome of this matter.  See &#x201c;Energy Modernization Plan&#x201d; above for information regarding proposed changes to the IRP filings. &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Public Utility Regulatory Policies Act&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Under the Public Utility Regulatory Policies Act of 1978 (&#x201c;PURPA&#x201d;), qualifying facilities are provided the right to sell energy and/or capacity to utilities and are granted relief from certain regulatory burdens.  On &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;December 17, 2019, the ACC mandated a minimum contract length of 18 years for qualifying facilities over 100 kW in Arizona, and established that the rate paid to qualifying facilities must be based on the long-term avoided cost.  &#x201c;Avoided cost&#x201d; is generally defined as the price at which the utility could purchase or produce the same amount of power from sources other than the qualifying facility on a long-term basis.  During calendar year 2020, APS entered into two 18-year power purchase agreements with qualified facilities, each for 80 MW solar facilities.  In March 2021, the ACC approved these agreements.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt; On July 16, 2020, FERC issued a final rule revising FERC&#x2019;s regulations implementing PURPA.  The final rule went into effect on December 31, 2020.  APS is evaluating how the revised regulations may impact its 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Residential Electric Utility Customer Service Disconnections&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On June 13, 2019, APS voluntarily suspended electric disconnections for residential customers who had not paid their bills.  On June 20, 2019, the ACC voted to enact emergency rule amendments to prevent residential electric utility customer service disconnections during the period June 1 through October 15 (&#x201c;Summer Disconnection Moratorium&#x201d;).  During the Summer Disconnection Moratorium, APS could not charge late fees and interest on amounts that were past due from customers.  Customer deposits must also be used to pay delinquent amounts before disconnection can occur and customers will have four months to pay back their deposit and any remaining delinquent amounts.  In accordance with the emergency rules, APS began putting delinquent customers on a mandatory four-month payment plan beginning on October 16, 2019.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In June 2019, the ACC began a formal regular rulemaking process to allow stakeholder input and time for consideration of permanent rule changes.  The ACC further ordered that each regulated electric utility serving retail customers in Arizona update its service conditions by incorporating the emergency rule amendments, restore power to any customers who were disconnected during the month of June 2019 and credit any fees that were charged for a reconnection.  The ACC Staff and ACC proposed draft amendments to the customer service disconnections rules.  ACC stakeholder meetings were held in September 2019, October 2019 and January 2020 regarding the customer service disconnections rules.  On April 14, 2021, the ACC voted to send to the formal rulemaking process a draft rules package governing customer disconnections that allows utilities to choose between a temperature threshold (above 95 degrees and below 32 degrees) or calendar threshold (June 1 &#x2013; October 15) for disconnection moratoriums.  During the formal rulemaking process, the public will have an opportunity to provide input on the draft rules, before the draft rules come back to the ACC for a final vote.  The Summer Disconnection Moratorium will remain in effect until the ACC formalizes the final rules package.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Due to the COVID-19 pandemic, APS voluntarily suspended disconnections of customers for nonpayment and waived late payment fees beginning March 13, 2020 until December 31, 2020.   The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and customers were automatically placed on eight-month payment arrangements if they had past due balances at the end of the disconnection period of $75 or greater.  APS will continue to waive late payment fees until October 15, 2021.  APS has experienced and is continuing to experience an increase in bad debt expense associated with the COVID-19 pandemic.   See &#x201c;COVID-19 Pandemic&#x201d; above for more information.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Retail Electric Competition Rules&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On November 17, 2018, the ACC voted to re-examine the facilitation of a deregulated retail electric market in Arizona.  An ACC special open meeting workshop was held on December 3, 2018. No substantive action was taken, but interested parties were asked to submit written comments and respond to a list of questions from ACC Staff. On July 1 and July 2, 2019, ACC Staff issued a report and initial proposed draft &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;rules regarding possible modifications to the ACC&#x2019;s retail electric competition rules.  Interested parties filed comments to the ACC Staff report and a stakeholder meeting and workshop to discuss the retail electric competition rules was held on July 30, 2019.  ACC Commissioners submitted additional questions regarding this matter.  On February 10, 2020, two ACC Commissioners filed two sets of draft proposed retail electric competition rules.  On February 12, 2020, ACC Staff issued its second report regarding possible modifications to the ACC&#x2019;s retail electric competition rules.  The ACC held a workshop on February 25-26, 2020 on further consideration and discussion of the retail electric competition rules.  During a July 15, 2020 ACC Staff meeting, the ACC Commissioners discussed the possible development of a retail competition pilot program, but no action was taken.  The ACC Commissioners are continuing to explore the retail electric competition rules.  APS cannot predict whether these efforts will result in any changes and, if changes to the rules results, what impact these rules would have on APS. &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Rate Plan Comparison Tool and Investigation&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On November 14, 2019, APS learned that its rate plan comparison tool was not functioning as intended due to an integration error between the tool and APS&#x2019;s meter data management system.  APS immediately removed the tool from its website and notified the ACC.  The purpose of the tool was to provide customers with a rate plan recommendation based upon historical usage data.  Upon investigation, APS determined that the error may have affected rate plan recommendations to customers between February 4, 2019 and November 14, 2019.  By the middle of May 2020, APS provided refunds to approximately 13,000 potentially impacted customers equal to the difference between what they paid for electricity and the amount they would have paid had they selected their most economical rate, as applicable, and a $25 payment for any inconvenience that the customer may have experienced.  The refunds and payment for inconvenience being provided did not have a material impact on APS&#x2019;s financial statements.  APS developed a new tool for comparing customers&#x2019; rate plan options.&#160; APS had an independent third party verify that the new rate comparison tool works correctly.&#160; In February 2020, APS launched the new online rate comparison tool, which is now available for its customers.  The ACC hired an outside consultant to evaluate the extent of the error and the overall effectiveness of&lt;/span&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt; the tool.  On August 20, 2020, ACC Staff filed the outside consultant&#x2019;s report on APS&#x2019;s rate comparison tool. The report concluded APS&#x2019;s new rate comparison tool is working as intended.  The report also identified a small population of additional customers that may have been affected by the error and APS has provided refunds and the $25 inconvenience payment to approximately 3,800 additional customers.  These additional refunds and payment for inconvenience did not have a material impact on APS&#x2019;s financial statements.  On September 28, 2020, the ACC discussed this report but did not take any action.  APS cannot predict if any action will be taken by the ACC at this time.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS received civil investigative demands from the Office of the Arizona Attorney General, Civil Litigation Division, Consumer Protection &amp;amp; Advocacy Section (&#x201c;Attorney General&#x201d;) seeking information pertaining to the rate plan comparison tool offered to APS customers and other related issues including implementation of rates from the 2017 Settlement Agreement and its Customer Education and Outreach Plan associated with the 2017 Settlement Agreement.  APS fully cooperated with the Attorney General&#x2019;s Office in this matter.   On February 22, 2021 APS entered into a consent agreement with the Attorney General as a way to settle the matter.  The settlement results in APS paying $24.75&#160;million, $24&#160;million of which is being returned to customers as restitution.  While this matter has been resolved with the Attorney General, APS cannot predict whether additional inquiries or actions may be taken by the ACC.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Four Corners SCR Cost Recovery&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On December 29, 2017, in accordance with the 2017 Rate Case Decision, APS filed a Notice of Intent to file its SCR Adjustment to permit recovery of costs associated with the installation of SCR equipment at Four Corners Units 4 and 5.&#160; APS filed the SCR Adjustment request in April 2018.&#160; Consistent with the 2017 &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Rate Case Decision, the request was narrow in scope and addressed only costs associated with this specific environmental compliance equipment.&#160; The SCR Adjustment request provided that there would be a $67.5 million annual revenue impact that would be applied as a percentage of base rates for all applicable customers.&#160; Also, as provided for in the 2017 Rate Case Decision, APS requested that the adjustment become effective no later than January 1, 2019.&#160; The hearing for this matter occurred in September 2018.&#160; At the hearing, APS accepted ACC Staff&#x2019;s recommendation of a lower annual revenue impact of approximately $58.5 million.  The Administrative Law Judge issued a Recommended Opinion and Order finding that the costs for the SCR project were prudently incurred and recommending authorization of the $58.5 million annual revenue requirement related to the installation and operation of the SCRs.  Exceptions to the Recommended Opinion and Order were filed by the parties and intervenors on December 7, 2018.&#160; The ACC has not issued a decision on this matter.  APS included the costs for the SCR project in the retail rate base in its 2019 Retail Rate Case filing with the ACC.  On March 18, 2020, the ACC agreed to take administrative notice to include in the pending rate case portions of the record in this prior proceeding that are relevant to the SCRs.  APS cannot predict the outcome or timing of the decision on this matter.  APS may be required to record a charge to its results of operations if the ACC issues an unfavorable decision (see SCR deferral in the Regulatory Assets and Liabilities table 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Cholla&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On September 11, 2014, APS announced that it would close Unit 2 of the Cholla Power Plant (&#x201c;Cholla&#x201d;) and cease burning coal at the other APS-owned units (Units 1 and 3) at the plant by the mid-2020s, if the United States Environmental Protection Agency (&#x201c;EPA&#x201d;) approved a compromise proposal offered by APS to meet required environmental and emissions standards and rules.  On April 14, 2015, the ACC approved APS&#x2019;s plan to retire Unit 2, without expressing any view on the future recoverability of APS&#x2019;s remaining investment in the unit.  APS closed Unit 2 on October 1, 2015.  In early 2017, EPA approved a final rule incorporating APS&#x2019;s compromise proposal, which took effect on April 26, 2017. In December 2019, PacifiCorp notified APS that it planned to retire Cholla Unit 4 by the end of 2020.  Cholla Unit 4 was retired on December 24, 2020.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Previously, APS estimated Cholla Unit 2&#x2019;s end of life to be 2033.  APS has been recovering a return on and of the net book value of the unit in base rates.  Pursuant to the 2017 Settlement Agreement described above, APS will be allowed continued recovery of the net book value of the unit and the unit&#x2019;s decommissioning and other retirement-related costs ($52.9 million as of March&#160;31, 2021), in addition to a return on its investment.  In accordance with GAAP, in the third quarter of 2014, Unit 2&#x2019;s remaining net book value was reclassified from property, plant and equipment to a regulatory asset.  The 2017 Settlement Agreement also shortened the depreciation lives of Cholla Units 1 and 3 to 2025. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Navajo Plant&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:6pt;text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The Navajo Plant ceased operations in November 2019.  The co-owners and the Navajo Nation executed a lease extension on November 29, 2017 that allows for decommissioning activities to begin after the plant ceased operations. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS is currently recovering depreciation and a return on the net book value of its interest in the Navajo Plant over its previously estimated life through 2026.  APS will seek continued recovery in rates for the book value of its remaining investment in the plant ($69.4 million as of March&#160;31, 2021) plus a return on the net book value as well as other costs related to retirement and closure, including the Navajo coal reclamation regulatory asset ($17.8&#160;million as of March 31, 2021).  APS believes it will be allowed recovery of the net book value, retirement and closure costs, in addition to a return on its investment.  In accordance with GAAP, in the second quarter of 2017, APS&#x2019;s remaining net book value of its interest in the Navajo Plant was reclassified from property, plant and equipment to a regulatory asset.  If the ACC does not allow full recovery &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;of the remaining net book value of this interest, all or a portion of the regulatory asset will be written off and APS&#x2019;s net income, cash flows, and financial position will be negatively impacted.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Regulatory Assets and Liabilities&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&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:12pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The detail of regulatory assets is as follows (dollars in thousands):&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.583%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.363%"/&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:10.630%"/&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:10.630%"/&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:10.630%"/&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:10.632%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amortization Through&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Pension&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;467,423&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;469,953&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred fuel and purchased power (b) (c)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;228,609&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;175,835&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; allowance for funds used during construction (&#x201c;AFUDC&#x201d;) equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2051&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;159,119&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;158,776&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Retired power plant costs&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2033&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;28,182&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;107,169&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;28,181&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;114,214&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Ocotillo deferral&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;110,820&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;95,723&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;SCR deferral&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;88,044&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;81,307&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred property taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;47,484&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,626&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Lost fixed cost recovery (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;45,905&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;41,807&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred compensation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2036&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;35,806&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Four Corners cost deferral&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,077&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,056&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,077&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,075&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; investment tax credit basis adjustment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2049&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,221&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,291&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Palo Verde VIEs (Note 6)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2046&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,409&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,255&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Coal reclamation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,732&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,999&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Loss on reacquired debt&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2038&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,703&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,486&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,689&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,877&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Mead-Phoenix transmission line contributions in aid of construction (&#x201c;CIAC&#x201d;)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2050&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;332&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,297&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;332&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,380&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Demand side management (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,268&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,268&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Tax expense adjustor mechanism (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,226&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Tax expense of Medicare subsidy&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,235&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,626&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,235&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,704&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred fuel and purchased power &#x2014; mark-to-market (Note 7)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,728&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,341&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;/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;/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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;PSA interest&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;46&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,355&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Various&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,018&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,716&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,100&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total regulatory assets (d)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;339,880&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,135,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;291,713&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,133,987&#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="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;This asset represents the future recovery of pension benefit obligations through retail rates.&#160; If these costs are disallowed by the ACC, this regulatory asset would be charged to other comprehensive income (&#x201c;OCI&#x201d;) and result in lower future revenues. See Note 5.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;See &#x201c;Cost Recovery Mechanisms&#x201d; discussion above.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Subject to a carrying charge.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(d)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;There are no regulatory assets for which the ACC has allowed recovery of costs, but not allowed a return by exclusion from rate base.&#160; FERC rates are set using a formula rate as described in &#x201c;Transmission Rates, Transmission Cost Adjustor and Other Transmission Matters.&#x201d;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The detail of regulatory liabilities is as follows (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.583%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.363%"/&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:10.630%"/&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:10.630%"/&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:10.630%"/&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:10.632%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amortization Through&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Excess deferred income taxes - ACC - Tax Cuts and Jobs Act (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2046&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;41,353&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,004,226&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;41,330&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,012,583&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Excess deferred income taxes - FERC - Tax Cuts and Jobs Act (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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2058&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,240&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;228,690&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,240&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;229,147&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Asset retirement obligations&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2057&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;519,015&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;506,049&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other postretirement benefits&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(d)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,705&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;337,853&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,705&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;349,588&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Removal costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;55,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,937&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;52,844&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;103,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; change in rates&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2050&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,839&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;66,374&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,839&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;66,553&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Four Corners coal reclamation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2038&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,461&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,703&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,460&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,435&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; deferred investment tax credit&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2049&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,231&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,507&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,231&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,648&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Spent nuclear fuel&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,831&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;43,059&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;44,221&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Renewable energy standard (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;34,460&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;30&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;39,442&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred fuel and purchased power &#x2014; mark-to-market (Note 7)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Property tax deferral&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,022&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,856&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Sundance maintenance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2031&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,867&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,910&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,989&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,508&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Demand side management (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,821&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,975&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,819&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;FERC transmission true up&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,630&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,379&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,598&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;TCA balancing account (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,315&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,754&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,902&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,672&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Tax expense adjustor mechanism (b) (e)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred gains on utility property&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,423&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;939&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,423&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,544&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Active union medical trust&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,057&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Various&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;409&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;189&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;250,228&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,427,769&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;229,088&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,450,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/&gt;&lt;/tr&gt;&lt;/table&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.8pt"&gt;For purposes of presentation on the Statement of Cash Flows, amortization of the regulatory liabilities for excess deferred income taxes are reflected as &#x201c;Deferred income taxes&#x201d; under Cash Flows From Operating Activities.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;See &#x201c;Cost Recovery Mechanisms&#x201d; discussion above.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;In accordance with regulatory accounting guidance, APS accrues removal costs for its regulated assets, even if there is no legal obligation for removal.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(d)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;See Note 5.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(e)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Pursuant to Decision 77852, the ACC has authorized APS to return to customers up to $7&#160;million of liability recorded to the TEAM balancing account through December 31, 2021.  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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMTI_471c8b2a-3eaf-4d73-bd2c-f189c41120cf">the following proposed capital structure and costs of capital:&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:90.058%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.861%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.425%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.309%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.309%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.244%"/&gt;&lt;td 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current period&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;52,210&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;5,785&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts refunded to customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;564&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,808&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Ending balance&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;228,609&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;77,730&#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;</pnw:ScheduleOfDeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTQ5NTYxOA_802687c0-236f-4a51-b4c3-ccb5fc3de61e"
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNzY5NjU4MTUwNjA0OQ_6fc376c3-b6f5-47aa-a4b1-7b4a5cda2282"
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMjM_5fcc388f-ef2f-4282-825a-d4c882a81c98">&lt;div style="margin-bottom:12pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The detail of regulatory assets is as follows (dollars in thousands):&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.583%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.363%"/&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:10.630%"/&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:10.630%"/&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:10.630%"/&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:10.632%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amortization Through&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Pension&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;467,423&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;469,953&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred fuel and purchased power (b) (c)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;228,609&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;175,835&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; allowance for funds used during construction (&#x201c;AFUDC&#x201d;) equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2051&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;159,119&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;158,776&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Retired power plant costs&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2033&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;28,182&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;107,169&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;28,181&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;114,214&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Ocotillo deferral&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;110,820&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;95,723&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;SCR deferral&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;88,044&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;81,307&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred property taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;47,484&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,626&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Lost fixed cost recovery (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;45,905&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;41,807&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred compensation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2036&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;35,806&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Four Corners cost deferral&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,077&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,056&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,077&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,075&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; investment tax credit basis adjustment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2049&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,221&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,291&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Palo Verde VIEs (Note 6)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2046&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,409&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,255&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Coal reclamation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,732&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,999&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Loss on reacquired debt&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2038&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,703&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,486&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,689&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,877&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Mead-Phoenix transmission line contributions in aid of construction (&#x201c;CIAC&#x201d;)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2050&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;332&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,297&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;332&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,380&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Demand side management (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,268&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,268&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Tax expense adjustor mechanism (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,226&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Tax expense of Medicare subsidy&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,235&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,626&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,235&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,704&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred fuel and purchased power &#x2014; mark-to-market (Note 7)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,728&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,341&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;/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;/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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;PSA interest&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;46&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,355&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" 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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83Ni9mcmFnOjllZjc5NDM4Zjk3ZjQ3ZmI4ZWQxMGVjMGY3YjI3MTJhL3RleHRyZWdpb246OWVmNzk0MzhmOTdmNDdmYjhlZDEwZWMwZjdiMjcxMmFfNjUxMzM_65f5c8a4-9245-426f-bea8-b4ea9502fd6f">&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The detail of regulatory liabilities is as follows (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.583%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.363%"/&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:10.630%"/&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:10.630%"/&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:10.630%"/&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:10.632%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amortization Through&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Non-Current&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Excess deferred income taxes - ACC - Tax Cuts and Jobs Act (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2046&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;41,353&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,004,226&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;41,330&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,012,583&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Excess deferred income taxes - FERC - Tax Cuts and Jobs Act (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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2058&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,240&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;228,690&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,240&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;229,147&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Asset retirement obligations&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2057&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;519,015&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;506,049&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other postretirement benefits&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(d)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,705&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;337,853&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,705&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;349,588&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Removal costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;55,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,937&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;52,844&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;103,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; change in rates&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2050&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,839&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;66,374&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,839&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;66,553&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Four Corners coal reclamation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2038&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,461&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,703&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,460&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,435&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Income taxes &#x2014; deferred investment tax credit&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2049&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,231&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,507&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,231&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,648&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Spent nuclear fuel&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,831&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;43,059&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;44,221&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Renewable energy standard (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;34,460&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;30&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;39,442&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred fuel and purchased power &#x2014; mark-to-market (Note 7)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Property tax deferral&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,022&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,856&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Sundance maintenance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2031&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,867&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,910&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,989&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,508&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Demand side management (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,821&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,975&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,819&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;FERC transmission true up&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,630&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,379&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,598&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;TCA balancing account (b)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,315&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,754&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,902&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,672&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Tax expense adjustor mechanism (b) (e)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Deferred gains on utility property&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,423&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;939&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,423&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,544&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Active union medical trust&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New 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style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,450,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/&gt;&lt;/tr&gt;&lt;/table&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.8pt"&gt;For purposes of presentation on the Statement of Cash Flows, amortization of the regulatory liabilities for excess deferred income taxes are reflected as &#x201c;Deferred income taxes&#x201d; under Cash Flows From Operating Activities.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;See &#x201c;Cost Recovery Mechanisms&#x201d; discussion above.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;In accordance with regulatory accounting guidance, APS accrues removal costs for its regulated assets, even if there is no legal obligation for removal.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(d)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;See Note 5.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New 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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTEyMg_5a0530dd-9ef7-456f-8ebf-ca32f79c9f89">Retirement Plans and Other Postretirement Benefits &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Pinnacle West sponsors a qualified defined benefit and account balance pension plan, a non-qualified supplemental excess benefit retirement plan, and other postretirement benefit plans for the employees of Pinnacle West and our subsidiaries.&#160; The other postretirement benefit plans include a group life and medical plan and a post-65 retiree health reimbursement arrangement (&#x201c;HRA&#x201d;).  Pinnacle West uses a December&#160;31 &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;measurement date each year for its pension and other postretirement benefit plans.&#160; The market-related value of our plan assets is their fair value at the measurement date.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Under the HRA, included in the other postretirement benefit plan, the Company provides a subsidy to retirees to defray the cost of a Medicare supplemental policy.  In prior years, we had been assuming a 4.75% escalation of these benefits; however, actual escalation has been significantly less than this assumption. Accordingly, during 2020 and for future periods, the escalation assumption was reduced to 2.00%.  This escalation factor assumption change, among other factors, resulted in an increase in the over-funded status of the other postretirement benefit plan as of December 31, 2020.  As a result, on January 4, 2021, we initiated the transfer of approximately $106&#160;million of assets from the other postretirement benefit plan into the Active Union Employee Medical Account. The Active Union Employee Medical Account is an existing trust account that holds assets restricted for paying active union employee medical costs (see Note 12).  The transfer of other postretirement benefit plan assets into the Active Union Employee Medical Account permits access to approximately $106&#160;million of assets for the sole purpose of paying active union employee medical benefits. This transfer of assets into the Active Union Employee Medical Account is consistent with the terms of a similar 2018 transaction. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides details of the plans&#x2019; net periodic benefit costs and the portion of these costs charged to expense (including administrative costs and excluding amounts capitalized as overhead construction or billed to electric plant participants) (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:58.695%"/&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:8.402%"/&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 colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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: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:8.409%"/&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 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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Pension&#160;Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&#160;Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New 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#000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Non-service costs (credits):&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="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Interest cost on benefit obligation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,669&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;29,761&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,162&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,512&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Expected return on plan 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(50,608)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(46,806)&lt;/span&gt;&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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(10,361)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(10,019)&lt;/span&gt;&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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&#160;Amortization of:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&#160;Prior service credit&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,427)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,394)&lt;/span&gt;&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&#160;Net actuarial loss (gain)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,985&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,011&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(2,405)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net periodic benefit cost/(benefit)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(6,275)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,223&#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="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(13,474)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(7,184)&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="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Portion of cost/(benefit) charged to expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(8,011)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,528)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(5,456)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #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;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 style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Contributions&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We have not made voluntary contributions to our pension plan year-to-date in 2021.  The minimum required contributions for the pension plan are zero for the next three years.  We expect to make voluntary contributions up to $100 million in 2021 and zero in 2022 and 2023.  We do not expect to make any contributions over this period to our other postretirement benefit plans.&lt;/span&gt;&lt;/div&gt;</us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock>
    <pnw:DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations
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      unitRef="number">0.0475</pnw:DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations>
    <pnw:DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTA5OTUxMTYyOTYxNA_a9b17e5f-9f5e-4de3-818f-5baa4c9bd81f"
      unitRef="number">0.0200</pnw:DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation>
    <us-gaap:DefinedBenefitPlanAssetsTransferredToFromPlan
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTA5OTUxMTYyOTkyMA_446928af-6125-4b35-82cd-11fc89419c81"
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    <us-gaap:DefinedBenefitPlanAssetsTransferredToFromPlan
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      unitRef="usd">106000000</us-gaap:DefinedBenefitPlanAssetsTransferredToFromPlan>
    <us-gaap:ScheduleOfNetBenefitCostsTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV83OS9mcmFnOjM1MWJjOWVmNDhmODQ1NDc5Y2MwNDdjYTc2NzlmNDU0L3RleHRyZWdpb246MzUxYmM5ZWY0OGY4NDU0NzljYzA0N2NhNzY3OWY0NTRfMTEyMw_97156a25-16e3-4e0a-bb43-016fbe74b319">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides details of the plans&#x2019; net periodic benefit costs and the portion of these costs charged to expense (including administrative costs and excluding amounts capitalized as overhead construction or billed to electric plant participants) (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:58.695%"/&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:8.402%"/&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 colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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: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:8.409%"/&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 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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Pension&#160;Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&#160;Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Service cost &#x2014; benefits earned during the period&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,679&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;14,257&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,557&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Non-service costs (credits):&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="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Interest cost on benefit obligation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,669&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;29,761&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,162&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,512&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Expected return on plan 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(50,608)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(46,806)&lt;/span&gt;&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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(10,361)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(10,019)&lt;/span&gt;&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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&#160;Amortization of:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&#160;Prior service credit&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,427)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,394)&lt;/span&gt;&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&#160;Net actuarial loss (gain)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,985&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,011&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(2,405)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net periodic benefit cost/(benefit)&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(6,275)&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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,223&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(13,474)&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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(7,184)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Portion of cost/(benefit) charged to expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(8,011)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,528)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(5,456)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #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;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:ScheduleOfNetBenefitCostsTableTextBlock>
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At the end of the lease period, APS will have the option to purchase the leased assets at their fair market value, extend the leases for up to two years, or return the assets to the lessors.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The leases&#x2019; terms give APS the ability to utilize the assets for a significant portion of the assets&#x2019; economic life, and therefore provide APS with the power to direct activities of the VIEs that most significantly impact the VIEs&#x2019; economic performance.&#160; Predominantly due to the lease terms, APS has been deemed the primary beneficiary of these VIEs and therefore consolidates the VIEs.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;As a result of consolidation, we eliminate lease accounting and instead recognize depreciation expense, resulting in an increase in net income for the three months ended March 31, 2021 and 2020 of $5 million, entirely attributable to the noncontrolling interests.  Income attributable to Pinnacle West shareholders is not impacted by the consolidation. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Our Condensed Consolidated Balance Sheets at March&#160;31, 2021 and December&#160;31, 2020 include the following amounts relating to the VIEs (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:68.153%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.687%"/&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:14.128%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;March 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:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;97,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;98,036&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Equity &#x2014; Noncontrolling interests&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;124,164&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;119,290&#160;&lt;/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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Assets of the VIEs are restricted and may only be used for payment to the noncontrolling interest holders.  These assets are reported on our condensed consolidated financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS is exposed to losses relating to these VIEs upon the occurrence of certain events that APS does not consider to be reasonably likely to occur.&#160; Under certain circumstances (for example, the Nuclear Regulatory Commission (&#x201c;NRC&#x201d;) issuing specified violation orders with respect to Palo Verde or the occurrence of specified nuclear events), APS would be required to make specified payments to the VIEs&#x2019; noncontrolling equity participants and take title to the leased Unit 2 interests, which, if appropriate, may be required to be written down in value.&#160; If such an event were to occur during the lease periods, APS may be required to pay the noncontrolling equity participants approximately $307 million beginning in 2021, and up to $501 million over the lease terms. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;For regulatory ratemaking purposes, the agreements continue to be treated as operating leases and, as a result, we have recorded a regulatory asset relating to the arrangements.&lt;/span&gt;&lt;/div&gt;</us-gaap:VariableInterestEntityDisclosureTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84Mi9mcmFnOjBlYjhmZjQ2MjNmYjQzZGU5MjBmMTRiOTJhZGMxM2Q4L3RleHRyZWdpb246MGViOGZmNDYyM2ZiNDNkZTkyMGYxNGI5MmFkYzEzZDhfMjY3OA_012a6d3b-1a6c-4f11-9cdc-deb1010dbec3">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Our Condensed Consolidated Balance Sheets at March&#160;31, 2021 and December&#160;31, 2020 include the following amounts relating to the VIEs (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:68.153%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.687%"/&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:14.128%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;March 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:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;97,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;98,036&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Equity &#x2014; Noncontrolling interests&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;124,164&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;119,290&#160;&lt;/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:PublicUtilitiesPropertyPlantAndEquipmentNet
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    <us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI0OQ_a862af62-d7c1-4e65-9e02-353e8fe0c3bf">Derivative Accounting &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Derivative financial instruments are used to manage exposure to commodity price and transportation costs of electricity, natural gas, emissions allowances, and in interest rates.&#160; Risks associated with market volatility are managed by utilizing various physical and financial derivative instruments, including futures, forwards, options and swaps.&#160; As part of our overall risk management program, we may use derivative instruments to hedge purchases and sales of electricity and natural gas.&#160; Derivative instruments that meet certain hedge accounting criteria may be designated as cash flow hedges and are used to limit our exposure to cash flow variability on forecasted transactions.&#160; The changes in market value of such instruments have a high correlation to price changes in the hedged transactions.&#160; Derivative instruments are also entered into for economic hedging purposes.&#160; While economic hedges may mitigate exposure to fluctuations in commodity prices, these instruments have not been designated as accounting hedges.&#160; Contracts that have the same terms (quantities, delivery points and delivery periods) and for which power does not flow are netted, which reduces both revenues and fuel and purchased power costs in our Condensed Consolidated Statements of Income, but does not impact our financial condition, net income or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Our derivative instruments, excluding those qualifying for a scope exception, are recorded on the balance sheets as an asset or liability and are measured at fair value.&#160; See Note 11 for a discussion of fair value measurements.&#160; Derivative instruments may qualify for the normal purchases and normal sales scope exception if they require physical delivery and the quantities represent those transacted in the normal course of business.&#160; Derivative instruments qualifying for the normal purchases and sales scope exception are accounted for under the accrual method of accounting and excluded from our derivative instrument discussion and disclosures below. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;For its regulated operations, APS defers for future rate treatment 100% of the unrealized gains and losses on derivatives pursuant to the PSA mechanism that would otherwise be recognized in income.&#160; Realized gains and losses on derivatives are deferred in accordance with the PSA to the extent the amounts are above or below the Base Fuel Rate (see Note 4).&#160; Gains and losses from derivatives in the following tables represent the amounts reflected in income before the effect of PSA deferrals.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table shows the outstanding gross notional volume of derivatives, which represent both purchases and sales (does not reflect net position):&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.444%"/&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:30.525%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:24.083%"/&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:24.084%"/&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="3" style="padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Quantity&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Commodity&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Unit of Measure&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Power&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;GWh&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;368&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;368&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Gas&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Billion cubic feet&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;211&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;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;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Gains and Losses from Derivative Instruments&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides information about APS&#x2019;s gains and losses from derivative instruments in designated cash flow accounting hedging relationships (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:51.970%"/&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:26.385%"/&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:7.525%"/&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:7.530%"/&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 colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr style="height:36pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Financial&#160;Statement Location&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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 style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Commodity&#160;Contracts&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="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Loss Reclassified from Accumulated OCI into Income (Effective Portion Realized) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Fuel and purchased power (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(414)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;During the three months ended March 31, 2021 and 2020, we had no gains or losses reclassified from accumulated OCI to earnings &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"&gt;related to discontinued cash flow hedges&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Amounts are before the effect of PSA deferrals.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;During the next twelve months, we estimate that no amounts will be reclassified from accumulated OCI into income.  For APS, the delivery period for all derivative instruments in designated cash flow accounting hedging relationships have lapsed. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides information about gains and losses from derivative instruments not designated as accounting hedging instruments (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:50.800%"/&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:25.069%"/&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: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:0.1%"/&gt;&lt;td style="width:0.537%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:23pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Financial&#160;Statement Location&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Commodity&#160;Contracts&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="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net Gain (Loss) Recognized in Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Fuel and purchased power (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;26,859&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(30,078)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Amounts are before the effect of PSA deferrals.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Derivative Instruments in the Condensed Consolidated Balance Sheets&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Our derivative transactions are typically executed under standardized or customized agreements, which include collateral requirements and, in the event of a default, would allow for the netting of positive and negative exposures associated with a single counterparty.&#160; Agreements that allow for the offsetting of positive and negative exposures associated with a single counterparty are considered master netting arrangements.&#160; Transactions with counterparties that have master netting arrangements are offset and reported net on the Condensed Consolidated Balance Sheets.&#160; Transactions that do not allow for offsetting of positive and negative positions are reported gross on the Condensed Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We do not offset a counterparty&#x2019;s current derivative contracts with the counterparty&#x2019;s non-current derivative contracts, although our master netting arrangements would allow current and non-current positions to be offset in the event of a default.&#160;&#160;These types of transactions may include non-derivative instruments, derivatives qualifying for scope exceptions, trade receivables and trade payables arising from settled positions, and other forms of non-cash collateral (such as letters of credit).&#160; These types of transactions are excluded from the offsetting tables presented below.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following tables provide information about the fair value of our risk management activities reported on a gross basis and the impacts of offsetting.&#160; These amounts relate to commodity contracts and are located in the assets and liabilities from risk management activities and other assets lines of our Condensed Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.718%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.805%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;As of March 31, 2021:&lt;br/&gt;&#160;(dollars in thousands)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amounts&lt;br/&gt;Offset&lt;br/&gt;&#160;(b)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amount&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reported&#160;on&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Balance Sheet&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,703&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,092)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;22,611&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;22,611&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investments and other assets&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,990&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(790)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;29,693&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,882)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(4,874)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,092&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,782)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,067)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Deferred credits and other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(7,718)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;790&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,928)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,928)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,592)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,882&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(8,710)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(9,995)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;17,101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;17,101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;15,816&#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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;All of our gross recognized derivative instruments were subject to master netting arrangements.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents cash collateral that is not subject to offsetting.  Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions or collateral posted in excess of the recognized derivative instrument.&#160;Includes cash collateral received from counterparties of $1,285.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.718%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.805%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;As of December 31, 2020:&lt;br/&gt;&#160;(dollars in thousands)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amounts&lt;br/&gt;Offset&lt;br/&gt;(b)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amount&lt;br/&gt;Reported&#160;on&lt;br/&gt;Balance Sheet&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;5,870&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(2,939)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investments and other assets&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,150&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,332)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,818&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,818&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;9,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(4,271)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:1pt solid #000000;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(9,211)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,939&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,272)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(7,557)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Deferred credits and other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,394)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,332&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(11,062)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(11,062)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(21,605)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,271&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(17,334)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(18,619)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,585)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,585)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(13,870)&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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;All of our gross recognized derivative instruments were subject to master netting arrangements.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents cash collateral and cash margin that is not subject to offsetting. Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions, or collateral and margin posted in excess of the recognized derivative instrument.&#160; Includes cash collateral received from counterparties of $1,285.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Credit Risk and Credit Related Contingent Features&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We are exposed to losses in the event of nonperformance or nonpayment by counterparties and have risk management contracts with many counterparties.  As of March&#160;31, 2021, we have one counterparty for which our exposure represents approximately 59% of Pinnacle West&#x2019;s $26 million of risk management assets.  This exposure relates to a master agreement with a counterparty that is rated as investment grade.  Our risk management process assesses and monitors the financial exposure of all counterparties.&#160; Despite the fact that the great majority of our trading counterparties&#x2019; debt is rated as investment grade by the credit rating agencies, there is still a possibility that one or more of these companies could default, resulting in a material impact on consolidated earnings for a given period. Counterparties in the portfolio consist principally of financial institutions, major energy companies, municipalities and local distribution companies.&#160; We maintain credit policies that we believe minimize overall credit risk to within acceptable limits.&#160; Determination of the credit quality of our counterparties is based upon a number of factors, including credit ratings and our evaluation of their financial condition.&#160; To manage credit risk, we employ collateral requirements and standardized agreements that allow for the netting of positive and negative exposures associated with a single counterparty.&#160; Valuation adjustments are established representing our estimated credit losses on our overall exposure to counterparties.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Certain of our derivative instrument contracts contain credit-risk-related contingent features including, among other things, investment grade credit rating provisions, credit-related cross-default provisions, and adequate assurance provisions.&#160; Adequate assurance provisions allow a counterparty with reasonable grounds for uncertainty to demand additional collateral based on subjective events and/or conditions.&#160; For those derivative instruments in a net liability position, with investment grade credit contingencies, the counterparties could demand additional collateral if our debt credit rating were to fall below investment grade (below BBB- for Standard&#160;&amp;amp; Poor&#x2019;s or Fitch or Baa3 for Moody&#x2019;s).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides information about our derivative instruments that have credit-risk-related contingent features (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:83.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.105%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Aggregate fair value of derivative instruments in a net liability position&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,520&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Cash collateral posted&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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additional cash collateral in the event credit-risk-related contingent features were fully triggered (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;This amount is after counterparty netting and includes those contracts which qualify for scope exceptions, which are excluded from the derivative details above.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&#160;&#160;&#160;We also have energy-related non-derivative instrument contracts with investment grade credit-related contingent features, which could also require us to post additional collateral of approximately $86 million if our debt credit ratings were to fall below investment grade.&lt;/span&gt;&lt;/div&gt;</us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock>
    <pnw:PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfMjA4NA_bd6388a1-9eab-4841-b2d2-4ba83ae2db0b"
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    <us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI1OA_464ba597-33c4-4811-991c-a6785fee8017">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table shows the outstanding gross notional volume of derivatives, which represent both purchases and sales (does not reflect net position):&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.444%"/&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:30.525%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:24.083%"/&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:24.084%"/&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="3" style="padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Quantity&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Commodity&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Unit of Measure&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Power&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;GWh&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;368&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;368&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Gas&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Billion cubic feet&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;211&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;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;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock>
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    <us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI1Mg_ddb648b3-5c51-41d1-9af4-725d2d0a53df">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table provides information about APS&#x2019;s gains and losses from derivative instruments in designated cash flow accounting hedging relationships (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:51.970%"/&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:26.385%"/&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:7.525%"/&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:7.530%"/&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 colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr style="height:36pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Financial&#160;Statement Location&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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 style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Commodity&#160;Contracts&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="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Loss Reclassified from Accumulated OCI into Income (Effective Portion Realized) (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Fuel and purchased power (b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(414)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;During the three months ended March 31, 2021 and 2020, we had no gains or losses reclassified from accumulated OCI to earnings &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"&gt;related to discontinued cash flow hedges&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Amounts are before the effect of PSA deferrals.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock>
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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:25.069%"/&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: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:0.1%"/&gt;&lt;td style="width:0.537%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:23pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Financial&#160;Statement Location&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Commodity&#160;Contracts&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="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net Gain (Loss) Recognized in Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Fuel and purchased power (a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;26,859&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(30,078)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Amounts are before the effect of PSA deferrals.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmQ0MGRjNDFiOGIwMTRhMGM5MDc5ZGE2MjZiOTM3MWJjL3RhYmxlcmFuZ2U6ZDQwZGM0MWI4YjAxNGEwYzkwNzlkYTYyNmI5MzcxYmNfMi00LTEtMS0w_3e1eef0d-32f6-4066-a2a0-27f5a3e697a6"
      unitRef="usd">26859000</us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet>
    <us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RhYmxlOmQ0MGRjNDFiOGIwMTRhMGM5MDc5ZGE2MjZiOTM3MWJjL3RhYmxlcmFuZ2U6ZDQwZGM0MWI4YjAxNGEwYzkwNzlkYTYyNmI5MzcxYmNfMi02LTEtMS0w_2b6797ab-4d97-4ed6-b076-a099cad6a217"
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    <us-gaap:OffsettingLiabilitiesTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI0NQ_72dc019d-2b86-44cc-b803-baf4bfb626c8">The following tables provide information about the fair value of our risk management activities reported on a gross basis and the impacts of offsetting.&#160; These amounts relate to commodity contracts and are located in the assets and liabilities from risk management activities and other assets lines of our Condensed Consolidated Balance Sheets.&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.718%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.805%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;As of March 31, 2021:&lt;br/&gt;&#160;(dollars in thousands)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amounts&lt;br/&gt;Offset&lt;br/&gt;&#160;(b)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amount&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reported&#160;on&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Balance Sheet&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,703&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,092)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;22,611&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;22,611&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investments and other assets&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,990&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(790)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;29,693&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,882)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(4,874)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,092&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,782)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,067)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Deferred credits and other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(7,718)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;790&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,928)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,928)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,592)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,882&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(8,710)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(9,995)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;17,101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;17,101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;15,816&#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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;All of our gross recognized derivative instruments were subject to master netting arrangements.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents cash collateral that is not subject to offsetting.  Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions or collateral posted in excess of the recognized derivative instrument.&#160;Includes cash collateral received from counterparties of $1,285.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.718%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.805%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;As of December 31, 2020:&lt;br/&gt;&#160;(dollars in thousands)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amounts&lt;br/&gt;Offset&lt;br/&gt;(b)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amount&lt;br/&gt;Reported&#160;on&lt;br/&gt;Balance Sheet&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;5,870&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(2,939)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investments and other assets&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,150&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,332)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,818&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,818&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;9,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(4,271)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:1pt solid #000000;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(9,211)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,939&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,272)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(7,557)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Deferred credits and other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,394)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,332&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(11,062)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(11,062)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(21,605)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,271&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(17,334)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(18,619)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,585)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,585)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(13,870)&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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;All of our gross recognized derivative instruments were subject to master netting arrangements.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents cash collateral and cash margin that is not subject to offsetting. Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions, or collateral and margin posted in excess of the recognized derivative instrument.&#160; Includes cash collateral received from counterparties of $1,285.&lt;/span&gt;&lt;/div&gt;</us-gaap:OffsettingLiabilitiesTableTextBlock>
    <us-gaap:OffsettingAssetsTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84NS9mcmFnOjBiM2ZmNWM1MzIxOTQ2MGFiZTM4Mzk0ZDNiYzI3MTY5L3RleHRyZWdpb246MGIzZmY1YzUzMjE5NDYwYWJlMzgzOTRkM2JjMjcxNjlfOTI4OQ_6cf2ed35-a422-4886-855f-9c00f8be3779">The following tables provide information about the fair value of our risk management activities reported on a gross basis and the impacts of offsetting.&#160; These amounts relate to commodity contracts and are located in the assets and liabilities from risk management activities and other assets lines of our Condensed Consolidated Balance Sheets.&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.718%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.805%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;As of March 31, 2021:&lt;br/&gt;&#160;(dollars in thousands)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amounts&lt;br/&gt;Offset&lt;br/&gt;&#160;(b)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amount&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reported&#160;on&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Balance Sheet&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,703&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,092)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;22,611&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;22,611&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investments and other assets&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,990&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(790)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;29,693&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,882)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(4,874)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,092&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,782)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(3,067)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Deferred credits and other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(7,718)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;790&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,928)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,928)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,592)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,882&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(8,710)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(9,995)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;17,101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;17,101&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;15,816&#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 style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;All of our gross recognized derivative instruments were subject to master netting arrangements.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents cash collateral that is not subject to offsetting.  Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions or collateral posted in excess of the recognized derivative instrument.&#160;Includes cash collateral received from counterparties of $1,285.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.718%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.803%"/&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:11.805%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;As of December 31, 2020:&lt;br/&gt;&#160;(dollars in thousands)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amounts&lt;br/&gt;Offset&lt;br/&gt;(b)&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:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Recognized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;(c)&lt;/span&gt;&lt;/div&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Amount&lt;br/&gt;Reported&#160;on&lt;br/&gt;Balance Sheet&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;5,870&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(2,939)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investments and other assets&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;3,150&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,332)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,818&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,818&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;9,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(4,271)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:1pt solid #000000;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(9,211)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;2,939&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(6,272)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(7,557)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Deferred credits and other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(12,394)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,332&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(11,062)&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(11,062)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(21,605)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;4,271&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(17,334)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,285)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(18,619)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td 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0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;All of our gross recognized derivative instruments were subject to master netting arrangements.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;No cash collateral has been 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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMzAzNjM_8cd60cf0-3baf-4bb4-bbde-9b0707d287c4">Commitments and Contingencies &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Palo Verde Generating Station &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Spent Nuclear Fuel and Waste Disposal&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On December&#160;19, 2012, APS, acting on behalf of itself and the participant owners of Palo Verde, filed a second breach of contract lawsuit against the United States Department of Energy (&#x201c;DOE&#x201d;) in the United States Court of Federal Claims (&#x201c;Court of Federal Claims&#x201d;).&#160; The lawsuit sought to recover damages incurred due to DOE&#x2019;s breach of the Contract for Disposal of Spent Nuclear Fuel and/or High Level Radioactive Waste (&#x201c;Standard Contract&#x201d;) for failing to accept Palo Verde&#x2019;s spent nuclear fuel and high level waste from January&#160;1, 2007 through June&#160;30, 2011, as it was required to do pursuant to the terms of the Standard Contract and the Nuclear Waste Policy Act.&#160; On August 18, 2014, APS and DOE entered into a settlement agreement, stipulating to a dismissal of the lawsuit and payment by DOE to the Palo Verde owners for certain specified costs incurred by Palo Verde during the period January 1, 2007 through June 30, 2011.  In addition, the settlement agreement, as amended, provides APS with a method for submitting claims and getting recovery for costs incurred through December 31, 2022.   &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS has submitted six claims pursuant to the terms of the August 18, 2014 settlement agreement, for six separate time periods during July 1, 2011 through June 30, 2019.  The DOE has approved and paid $99.7 million for these claims (APS&#x2019;s share is $29.0 million).  The amounts recovered were primarily recorded as adjustments to a regulatory liability and had no impact on reported net income.  In accordance with the 2017 Rate Case Decision, this regulatory liability is being refunded to customers (see Note 4).  On November 2, 2020, APS filed its seventh claim pursuant to the terms of the August 18, 2014 settlement agreement in the amount of $12.2 million (APS&#x2019;s share is $3.6 million).  On March 15, 2021, the DOE approved a payment of $12.1&#160;million (APS&#x2019;s share is $3.5&#160;million) and on April 16, 2021, APS received this payment.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Nuclear Insurance &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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Public liability for incidents at nuclear power plants is governed by the Price-Anderson Nuclear Industries Indemnity Act (&#x201c;Price-Anderson Act&#x201d;), which limits the liability of nuclear reactor owners to the amount of insurance available from both commercial sources and an industry-wide retrospective payment plan.&#160; In accordance with the Price-Anderson Act, the Palo Verde participants are insured against public liability for a nuclear incident of up to approximately $13.7 billion per occurrence.  Palo Verde maintains the maximum available nuclear liability insurance in the amount of $450 million, which is provided by American Nuclear Insurers (&#x201c;ANI&#x201d;).&#160; The remaining balance of approximately $13.2 billion of liability coverage is provided through a mandatory industry-wide retrospective premium program.&#160; If losses at any nuclear power plant covered by the program exceed the accumulated funds, APS could be responsible for retrospective premiums.&#160; The maximum retrospective premium per reactor under the program for each nuclear liability incident is approximately $137.6 million, subject to a maximum annual premium of approximately $20.5 million per incident.&#160; Based on APS&#x2019;s ownership interest in the three Palo Verde units, APS&#x2019;s maximum retrospective premium per incident for all three units is approximately $120.1 million, with a maximum annual retrospective premium of approximately $17.9 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The Palo Verde participants maintain insurance for property damage to, and decontamination of, property at Palo Verde in the aggregate amount of $2.8 billion.&#160; APS has also secured accidental outage insurance for a sudden and unforeseen accidental outage of any of the three units.&#160; The property damage, decontamination, and accidental outage insurance are provided by Nuclear Electric Insurance Limited (&#x201c;NEIL&#x201d;).&#160; APS is subject to retrospective premium adjustments under all NEIL policies if NEIL&#x2019;s losses in any policy year exceed accumulated funds.  The maximum amount APS could incur under the current NEIL &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;policies totals approximately $22.4&#160;million for each retrospective premium assessment declared by NEIL&#x2019;s Board of Directors due to losses.&#160; In addition, NEIL policies contain rating triggers that would result in APS providing approximately $63.3 million of collateral assurance within 20 business days of a rating downgrade to non-investment grade.&#160; The insurance coverage discussed in this and the previous paragraph is subject to certain policy conditions, sublimits and exclusions.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Contractual Obligations&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;As of March 31, 2021, our fuel and purchased power commitments have increased from the information provided in our 2020 Form 10-K.  The increase is primarily due to new purchased power and energy storage commitments of approximately $550&#160;million.  The majority of the changes relate to 2026 and thereafter.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Other than the item described above, there have been no material changes, as of March 31, 2021, outside the normal course of business in contractual obligations from the information provided in our 2020 Form 10-K.  See Note 3 for discussion regarding changes in our short-term and long-term debt 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Superfund-Related Matters &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The Comprehensive Environmental Response Compensation and Liability Act (&#x201c;Superfund&#x201d; or &#x201c;CERCLA&#x201d;) establishes liability for the cleanup of hazardous substances found contaminating the soil, water or air.&#160; Those who released, generated, transported to or disposed of hazardous substances at a contaminated site are among the parties who are potentially responsible (&#x201c;PRPs&#x201d;).&#160; PRPs may be strictly, and often are jointly and severally, liable for clean-up.&#160; On September&#160;3, 2003, EPA advised APS that EPA considers APS to be a PRP in the Motorola 52&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7.47pt;font-weight:400;line-height:120%;position:relative;top:-4.02pt;vertical-align:baseline"&gt;nd&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;Street Superfund Site, Operable Unit 3 (&#x201c;OU3&#x201d;) in Phoenix, Arizona.&#160; APS has facilities that are within this Superfund site.&#160; APS and Pinnacle West have agreed with EPA to perform certain investigative activities of the APS facilities within OU3.&#160; In addition, on September&#160;23, 2009, APS agreed with EPA and one other PRP to voluntarily assist with the funding and management of the site-wide groundwater remedial investigation and feasibility study (&#x201c;RI/FS&#x201d;).&#160; Based upon discussions between the OU3 working group parties and EPA, along with the results of recent technical analyses prepared by the OU3 working group to supplement the RI/FS for OU3, APS anticipates finalizing the RI/FS during the second quarter of 2021.  We estimate that our costs related to this investigation and study will be approximately $3 million.&#160; We anticipate incurring additional expenditures in the future, but because the overall investigation is not complete and ultimate remediation requirements are not yet finalized, at the present time expenditures related to this matter cannot be reasonably estimated.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On August&#160;6, 2013, the Roosevelt Irrigation District (&#x201c;RID&#x201d;) filed a lawsuit in Arizona District Court against APS and 24 other defendants, alleging that RID&#x2019;s groundwater wells were contaminated by the release of hazardous substances from facilities owned or operated by the defendants.&#160; The lawsuit also alleges that, under Superfund laws, the defendants are jointly and severally liable to RID.&#160; The allegations against APS arise out of APS&#x2019;s current and former ownership of facilities in and around OU3.&#160; As part of a state governmental investigation into groundwater contamination in this area, on January 25, 2015, the Arizona Department of Environmental Quality (&#x201c;ADEQ&#x201d;) sent a letter to APS seeking information concerning the degree to which, if any, APS&#x2019;s current and former ownership of these facilities may have contributed to groundwater contamination in this area.&#160; APS responded to ADEQ on May 4, 2015.  On December 16, 2016, two RID environmental and engineering contractors filed an ancillary lawsuit for recovery of costs against APS and the other defendants in the RID litigation.  That same day, another RID service provider filed an additional ancillary CERCLA lawsuit against certain of the defendants in the main RID litigation, but excluded APS and certain other parties as named defendants.  Because the ancillary lawsuits concern past costs allegedly incurred &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;by these RID vendors, which were ruled unrecoverable directly by RID in November of 2016, the additional lawsuits do not increase APS&#x2019;s exposure or risk related to these matters.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On April 5, 2018, RID and the defendants in that particular litigation executed a settlement agreement, fully resolving RID&#x2019;s CERCLA claims concerning both past and future cost recovery.  APS&#x2019;s share of this settlement was immaterial.  In addition, the two environmental and engineering vendors voluntarily dismissed their lawsuit against APS and the other named defendants without prejudice.  An order to this effect was entered on April 17, 2018.  With this disposition of the case, the vendors may file their lawsuit again in the future.  On August 16, 2019, Maricopa County, one of the three direct defendants in the service provider lawsuit, filed a third-party complaint seeking contribution for its liability, if any, from APS and 28 other third-party defendants.  We are unable to predict the outcome of these matters; however, we do not expect the outcome to have a material impact on our financial position, results of operations or cash flows. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Arizona Attorney General Matter&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;APS received civil investigative demands from the Attorney General seeking information pertaining to the rate plan comparison tool offered to APS customers and other related issues including implementation of rates from the 2017 Settlement Agreement and its Customer Education and Outreach Plan associated with the 2017 Settlement Agreement.  APS fully cooperated with the Attorney General&#x2019;s Office in this matter.   On February 22, 2021 APS entered into a consent agreement with the Attorney General as a way to settle the matter.  The settlement results in APS paying $24.75&#160;million, $24&#160;million of which is being returned to customers as restitution.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Environmental Matters&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS is subject to numerous environmental laws and regulations affecting many aspects of its present and future operations, including air emissions of both conventional pollutants and greenhouse gases, water quality, wastewater discharges, solid waste, hazardous waste, and coal combustion residuals (&#x201c;CCRs&#x201d;).&#160; These laws and regulations can change from time to time, imposing new obligations on APS resulting in increased capital, operating, and other costs.&#160; Associated capital expenditures or operating costs could be material.&#160; APS intends to seek recovery of any such environmental compliance costs through our rates but cannot predict whether it will obtain such recovery.&#160; The following proposed and final rules&#160;involve material compliance costs to APS.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Regional Haze Rules.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt; APS has received the final rulemaking imposing pollution control requirements on Four Corners.  EPA required the plant to install pollution control equipment that constitutes best available retrofit technology (&#x201c;BART&#x201d;) to lessen the impacts of emissions on visibility surrounding the plant.  In addition, EPA issued a final rule for Regional Haze compliance at Cholla that does not involve the installation of new pollution controls and that will replace an earlier BART determination for this facility.  See below for details of the Cholla BART approval.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%"&gt;Four Corners.  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Based on EPA&#x2019;s final standards, APS&#x2019;s 63% share of the cost of required controls for Four Corners Units 4 and 5 was approximately $400 million, which has been incurred.&#160; In addition, APS and El Paso Electric Company (&#x201c;El Paso&#x201d;) entered into an asset purchase agreement providing for the purchase by APS, or an affiliate of APS, of El Paso&#x2019;s 7% interest in Four Corners Units 4 and 5.  4CA purchased the El Paso interest on July 6, 2016.  Navajo Transitional Energy Company, LLC (&#x201c;NTEC&#x201d;) purchased the interest from 4CA on July 3, 2018.  See &#x201c;Four Corners &#x2014; 4CA Matter&#x201d; below for a discussion of the NTEC purchase.  The cost of the pollution controls related to the 7% interest is approximately $45 million, which was assumed by NTEC through its purchase of the 7% interest.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%"&gt;Cholla&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;.  In early 2017, EPA approved a final rule containing a revision to Arizona&#x2019;s State Implementation Plan (&#x201c;SIP&#x201d;) for Cholla that implemented BART requirements for this facility, which did not require the installation of any new pollution control capital improvements.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In conjunction with the closure of Cholla Unit 2 in 2015, APS has committed to ceasing coal combustion within Units 1 and 3 by April 2025.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;PacifiCorp retired Cholla Unit 4 at the end of 2020.  (See &#x201c;Cholla&#x201d; in Note 4 for information regarding future plans for Cholla and details related to the resulting regulatory asset).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt;text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Coal Combustion Waste&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;  On December 19, 2014, EPA issued its final regulations governing the handling and disposal of CCR, such as fly ash and bottom ash.  The rule regulates CCR as a non-hazardous waste under Subtitle D of the Resource Conservation and Recovery Act (&#x201c;RCRA&#x201d;) and establishes national minimum criteria for existing and new CCR landfills and surface impoundments and all lateral expansions.  These criteria include standards governing location restrictions, design and operating criteria, groundwater monitoring and corrective action, closure requirements and post closure care, and recordkeeping, notification, and internet posting requirements.  The rule generally requires any existing unlined CCR surface impoundment to stop receiving CCR and either retrofit or close, and further requires the closure of any CCR landfill or surface impoundment that cannot meet the applicable performance criteria for location restrictions or structural integrity.  Such closure requirements are deemed &#x201c;forced closure&#x201d; or &#x201c;closure for cause&#x201d; of unlined surface impoundments and are the subject of recent regulatory and judicial activities described below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt;text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Since these regulations were finalized, EPA has taken steps to substantially modify the federal rules governing CCR disposal.  While certain changes have been prompted by utility industry petitions, others have resulted from judicial review, court-approved settlements with environmental groups, and statutory changes to RCRA.  The following lists the pending regulatory changes that, if finalized, could have a material impact as to how APS manages CCR at its coal-fired power plants:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;Following the passage of the Water Infrastructure Improvements for the Nation Act in 2016, EPA possesses authority to either authorize states to develop their own permit programs for CCR management or issue federal permits governing CCR disposal both in states without their own permit programs and on tribal lands.  Although ADEQ has taken steps to develop a CCR permitting program, it is not clear when that program will be put into effect.  On December 19, 2019, EPA proposed its own set of regulations governing the issuance of CCR management permits.  &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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;On March 1, 2018, as a result of a settlement with certain environmental groups, EPA proposed adding boron to the list of constituents that trigger corrective action requirements to remediate groundwater impacted by CCR disposal activities.  Apart from a subsequent proposal issued on August 14, 2019 to add a specific, health-based groundwater protection standard for boron, EPA has yet to take action on this proposal.  &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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt"&gt;Based on an August 21, 2018 D.C. Circuit decision, which vacated and remanded those provisions of the EPA CCR regulations that allow for the operation of unlined CCR surface impoundments, EPA recently proposed corresponding changes to federal CCR regulations.  On July 29, 2020, EPA took final action on new regulations establishing revised deadlines for initiating the closure of unlined CCR surface impoundments; such disposal units were closed as of April 11, 2021.  &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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt"&gt;On November 4, 2019, EPA also proposed to change the manner by which facilities that have committed to cease burning coal in the near-term may qualify for alternative closure.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Such qualification would allow CCR disposal units at these plants to continue operating, even though they would otherwise be subject to forced closure under the federal CCR regulations.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;EPA&#x2019;s July 29, 2020 final regulation adopted this proposal and now requires explicit EPA approval for facilities to utilize an alternative closure deadline.  With respect to the Cholla facility, APS&#x2019;s application for alternative closure (which would allow the continued disposal of CCR within the facility&#x2019;s existing unlined CCR &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;surface impoundments until the required date for ceasing coal-fired boiler operations in April 2025) was submitted to EPA on November 30, 2020 and is currently pending.  This application will be subject to public comment and, potentially, judicial review.&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We cannot at this time predict the outcome of these regulatory proceedings or when the EPA will take final action on those matters that are still pending.  Depending on the eventual outcome, the costs associated with APS&#x2019;s management of CCR could materially increase, which could affect APS&#x2019;s financial position, results of operations, or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS currently disposes of CCR in ash ponds and dry storage areas at Cholla and Four Corners.  APS estimates that its share of incremental costs to comply with the CCR rule for Four Corners is approximately $27 million and its share of incremental costs to comply with the CCR rule for Cholla is approximately $16 million.  The Navajo Plant disposed of CCR only in a dry landfill storage area.  To comply with the CCR rule for the Navajo Plant, APS&#x2019;s share of incremental costs was approximately $1 million, which has been incurred.  Additionally, the CCR rule requires ongoing, phased groundwater monitoring. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;As of October 2018, APS has completed the statistical analyses for its CCR disposal units that triggered assessment monitoring.  APS determined that several of its CCR disposal units at Cholla and Four Corners will need to undergo corrective action.  In addition, under the current regulations, all such disposal units must have ceased operating and initiated closure by October 31, 2020.  APS initiated an assessment of corrective measures on January 14, 2019 and expects such assessment will continue through mid- to late-2021.  As part of this assessment, APS continues to gather additional groundwater data and perform remedial evaluations as to the CCR disposal units at Cholla and Four Corners undergoing corrective action.  In addition, APS will solicit input from the public, host public hearings, and select remedies as part of this process.  Based on the work performed to date, APS currently estimates that its share of corrective action and monitoring costs at Four Corners will likely range from $10 million to $15 million, which would be incurred over 30 years.  The analysis needed to perform a similar cost estimate for Cholla remains ongoing at this time.  As APS continues to implement the CCR rule&#x2019;s corrective action assessment process, the current cost estimates may change.  Given uncertainties that may exist until we have fully completed the corrective action assessment process, we cannot predict any ultimate impacts to the Company; however, at this time we do not believe the cost estimates for Cholla and any potential change to the cost estimate for Four Corners would have a material impact on our financial position, results of operations or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Clean Power Plan/Affordable Clean Energy Regulations&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;.  On June 19, 2019, EPA took final action on its proposals to repeal EPA&#x2019;s 2015 Clean Power Plan (&#x201c;CPP&#x201d;) and replace those regulations with a new rule, the Affordable Clean Energy (&#x201c;ACE&#x201d;) regulations.  EPA originally finalized the CPP on August 3, 2015, and such rules would have had far broader impact on the electric power sector than the ACE regulations.  The ACE regulations had been stayed pending judicial review and on January 19, 2021, the U.S. Court of Appeals for the D.C. Circuit vacated the ACE regulations and remanded them back to EPA to develop new existing power plant carbon regulations consistent with the court&#x2019;s ruling.  That ruling endorsed an expansive view of the federal Clean Air Act consistent with EPA&#x2019;s 2015 CPP.  While the Biden administration has expressed an intent to regulate carbon emissions in this sector more aggressively under the Clean Air Act, we cannot at this time predict the outcome of pending EPA rulemaking proceedings in response to the court&#x2019;s recent ACE decision.  &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;                Other environmental rules that could involve material compliance costs include those related to effluent limitations, the ozone national ambient air quality standard and other rules or matters involving the Clean Air Act, Clean Water Act, Endangered Species Act, RCRA, Superfund, the Navajo Nation, and water supplies for our power plants.  The financial impact of complying with current and future environmental rules could jeopardize the economic viability of our coal plants or the willingness or ability of power plant participants to fund any required equipment upgrades or continue their participation in these plants.  The economics of continuing to own certain resources, particularly our coal plants, may deteriorate, warranting early retirement of those plants, which may result in asset impairments.  APS would seek recovery in rates for the book value of any remaining investments in the plants as well as other costs related to early retirement, but cannot predict whether it would obtain such 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Four Corners National Pollutant Discharge Elimination System (&#x201c;NPDES&#x201d;) Permit&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On July 16, 2018, several environmental groups filed a petition for review before the EPA Environmental Appeals Board (&#x201c;EAB&#x201d;) concerning the NPDES wastewater discharge permit for Four Corners, which was reissued on June 12, 2018.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The environmental groups allege that the permit was reissued in contravention of several requirements under the Clean Water Act and did not contain required provisions concerning EPA&#x2019;s 2015 revised effluent limitation guidelines for steam-electric EGUs, 2014 existing-source regulations governing cooling-water intake structures, and effluent limits for surface seepage and subsurface discharges from coal-ash disposal facilities.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;To address certain of these issues through a reconsidered permit, EPA took action on December 19, 2018 to withdraw the NPDES permit reissued in June 2018.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Withdrawal of the permit moots the EAB appeal, and EPA filed a motion to dismiss on that basis.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The EAB thereafter dismissed the environmental group appeal on February 12, 2019.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;EPA then issued a revised final NPDES permit for Four Corners on September 30, 2019.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Based upon a November 1, 2019 filing by several environmental groups, the EAB again took up review of the Four Corners NPDES Permit.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Oral argument on this appeal was held on September 3, 2020 and the EAB denied the environmental group petition on September 30, 2020.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On January 22, 2021, the environmental groups filed a petition for review of the EAB&#x2019;s decision with the U.S. Court of Appeals for the Ninth Circuit.  We cannot predict the outcome of these appeal proceedings and, if such appeal is successful, whether that outcome will have a material impact on our financial position, results of operations, or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Four Corners &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#x2014;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt; 4CA Matter&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;On July 6, 2016, 4CA purchased El Paso&#x2019;s 7% interest in Four Corners.  NTEC purchased this 7% interest on July 3, 2018 from 4CA.  NTEC purchased the 7% interest at 4CA&#x2019;s book value, approximately $70 million, and is paying 4CA the purchase price over a period of four years pursuant to a secured interest-bearing promissory note.  The note is secured by a portion of APS&#x2019;s payments to be owed to NTEC under the 2016 Coal Supply Agreement.  As of March&#160;31, 2021, the note has a remaining balance of $23 million.  NTEC continues to make payments in accordance with the terms of the note.  Due to its short-remaining term, among other factors, there are no expected credit losses associated with the note. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In connection with the sale, Pinnacle West guaranteed certain obligations that NTEC will have to the other owners of Four Corners, such as NTEC&#x2019;s 7% share of capital expenditures and operating and maintenance expenses.  Pinnacle West&#x2019;s guarantee is secured by a portion of APS&#x2019;s payments to be owed to NTEC under the 2016 Coal Supply Agreement.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The 2016 Coal Supply Agreement contained alternate pricing terms for the 7% interest in the event NTEC did not purchase the interest.  Until the time that NTEC purchased the 7% interest, the alternate pricing provisions were applicable to 4CA as the holder of the 7% interest.  These terms included a formula under which NTEC must make certain payments to 4CA for reimbursement of operations and maintenance costs and &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;a specified rate of return, offset by revenue generated by 4CA&#x2019;s power sales.  The amount under this formula for calendar year 2018 (up to the date that NTEC purchased the 7% interest) was approximately $10 million, which was due to 4CA on December 31, 2019.  Such payment was satisfied in January 2020 by NTEC directing to 4CA a prepayment from APS of future coal payment obligations of which the prepayment has been fully utilized as of June 2020. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Financial Assurances&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;In the normal course of business, we obtain standby letters of credit and surety bonds from financial institutions and other third parties.  These instruments guarantee our own future performance and provide third parties with financial and performance assurance in the event we do not perform.  These instruments support commodity contract collateral obligations and other transactions.  As of March&#160;31, 2021, standby letters of credit totaled $5.2 million and would have expired in 2021, subsequently in April of 2021 an extension was effective that reset the expiration dates to 2022.  As of March&#160;31, 2021, surety bonds expiring through 2022 totaled $16 million.  The underlying liabilities insured by these instruments are reflected on our balance sheets, where applicable. Therefore, no additional liability is reflected for the letters of credit and surety bonds themselves. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We enter into agreements that include indemnification provisions relating to liabilities arising from or related to certain of our agreements.&#160; Most significantly, APS has agreed to indemnify the equity participants and other parties in the Palo Verde sale leaseback transactions with respect to certain tax matters.&#160; Generally, a maximum obligation is not explicitly stated in the indemnification provisions and, therefore, the overall maximum amount of the obligation under such indemnification provisions cannot be reasonably estimated.&#160; Based on historical experience and evaluation of the specific indemnities, we do not believe that any material loss related to such indemnification provisions is likely.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Pinnacle West has issued parental guarantees and has provided indemnification under certain surety bonds for APS which were not material at March&#160;31, 2021.   In connection with the sale of 4CA&#x2019;s 7% interest to NTEC, Pinnacle West is guaranteeing certain obligations that NTEC will have to the other owners of Four Corners.  (See &#x201c;Four Corners &#x2014; 4CA Matter&#x201d; above for information related to this guarantee).  Pinnacle West has not needed to perform under this guarantee.  A maximum obligation is not explicitly stated in the guarantee and, therefore, the overall maximum amount of the obligation under such guarantee cannot be reasonably estimated; however, we consider the fair value of this guarantee, including expected credit losses, to be immaterial.&lt;/span&gt;&lt;/div&gt;In connection with BCE&#x2019;s acquisition of minority ownership positions in the Clear Creek and Nobles 2 wind farms, Pinnacle West has issued parental guarantees to guarantee the obligations of BCE subsidiaries to make required equity contributions to fund project construction (the &#x201c;Equity Contribution Guarantees&#x201d;) and to make production tax credit funding payments to borrowers of the projects (the &#x201c;PTC Guarantees&#x201d;).  The amounts guaranteed by Pinnacle West are reduced as payments are made under the respective guarantee agreements.  The Equity Contribution Guarantees remaining as of March 31, 2021 are immaterial in amount (approximately $2&#160;million) and the PTC Guarantees (approximately $38&#160;million as of March&#160;31, 2021) are currently expected to be terminated ten years following the commercial operation date of the applicable project.</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
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    <pnw:LitigationSettlementAmountAwardedToCustomers
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfNjU5NzA2OTc5Nzk5MA_994b55c8-f5a2-4ae2-9da8-7c0a291892d0"
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      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTA3MjQ_f273b367-c0bf-4fb8-8627-14de1f60e637"
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    <us-gaap:SiteContingencyLossExposureNotAccruedBestEstimate
      contextRef="i84d3f9b45e95481eadc48c3224126328_D20210101-20210331"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTA4MTU_87d057e9-3f2c-4726-b971-4588af990969"
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    <pnw:AssetPurchaseAgreementAdditionalPercentageShareofCostofControl
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      decimals="2"
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    <pnw:AssetPurchaseAgreementAdditionalPercentageShareofCostofControl
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTEzNDA_d182b5bc-3e0f-41e4-a21b-689ace4ded2a"
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    <pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate
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      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTEzNjk_8b827376-eed1-4785-a4d3-aafe49bdd010"
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      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTE0Mjc_13ea8984-57aa-4e07-9a31-277cc4b380a2"
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    <pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate
      contextRef="ic80ab589b45341cf939b301e02e51cff_D20210101-20210331"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTY5OTM_87f83925-d98d-4c30-84d4-d3e630d805c3"
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    <pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate
      contextRef="ic5ed4ee459b74de4ac1e06a3e02d6887_D20210101-20210331"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTcwODc_eb61f9df-ba5c-4154-acda-9f0027b27b6a"
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    <pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate
      contextRef="i1fba880bd2aa4edc942c8c92af944f56_D20210101-20210331"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTcyNjQ_c79d1b2d-0a90-4185-a8ad-d8e5be9edbd0"
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    <pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate
      contextRef="i3b738eb8afa04347be902c85f81cbab9_D20210101-20210331"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTgzNzQ_f8b35ce0-ede5-413b-9261-6780d656e5f0"
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    <pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate
      contextRef="i763b8c6fcb8d4bffb304e3a82561422e_D20210101-20210331"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMTgzODA_02bf8974-1ff1-4b27-a7cf-f241ea33255c"
      unitRef="usd">15000000</pnw:AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate>
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjU1NjU_62cbc375-718a-4b6d-9d99-d444f6d7ba96"
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV84OC9mcmFnOjdlYjViYmVlNmE2OTQ0MDU5OTRiMGI3MzYyYmFkNzRlL3RleHRyZWdpb246N2ViNWJiZWU2YTY5NDQwNTk5NGIwYjczNjJiYWQ3NGVfMjU4NDU_8078f364-d05a-46c7-8b0f-a83354b4c4b7"
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      unitRef="usd">2000000</pnw:ProductionTaxCreditGuarantees>
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      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RleHRyZWdpb246YjFmNjBjZTU5OGY0NDNlYWFhMjFlYzgxYjdhZWZiOTNfMTUy_51acb6f7-a32a-4532-a78d-c0ab277d73c1">Other Income and Other Expense &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table pro&lt;/span&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;vides detail of Pinnacle West&#x2019;s Consolidated other income and other expense (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:74.307%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.492%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.540%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.161%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Other income:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Interest income&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;1,948&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3,277&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Four Corners SCR deferrals (Note 4)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;4,086&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3,140&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Ocotillo modernization project (Note 4)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,144&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other income&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;12,429&#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:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;12,569&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Other expense:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 7.75pt 0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Non-operating costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,937)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,658)&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investment gains (losses) &#x2014; net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(343)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,573)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,186)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(3,853)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(4,784)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;The following table provides detail of APS&#x2019;s other income and other expense (dollars in thousands): &lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:74.307%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.492%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.540%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.161%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Other income:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Interest income&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;1,481&#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: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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;2,341&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Four Corners SCR deferrals (Note 4)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;4,086&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3,140&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Ocotillo modernization project (Note 4)&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,392&#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;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,144&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other income&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;11,960&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;11,633&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Other expense:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 7.75pt 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Non-operating costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,778)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,482)&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,572)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,186)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other 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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(3,350)&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(4,668)&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;</us-gaap:OtherIncomeAndOtherExpenseDisclosureTextBlock>
    <us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RleHRyZWdpb246YjFmNjBjZTU5OGY0NDNlYWFhMjFlYzgxYjdhZWZiOTNfMTU0_59e8e3a4-d10f-421f-b234-06a57734d151">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table pro&lt;/span&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;vides detail of Pinnacle West&#x2019;s Consolidated other income and other expense (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:6pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:74.307%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.492%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.540%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.161%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Other income:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Interest income&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;1,948&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3,277&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Four Corners SCR deferrals (Note 4)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;4,086&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3,140&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Ocotillo modernization project (Note 4)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,144&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other income&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;12,429&#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:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;12,569&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;Other expense:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 7.75pt 0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Non-operating costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,937)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,658)&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Investment gains (losses) &#x2014; net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(343)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,573)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,186)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(3,853)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(4,784)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;The following table provides detail of APS&#x2019;s other income and other expense (dollars in thousands): &lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:74.307%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.492%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.540%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.161%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;Three Months Ended&lt;br/&gt;March 31,&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Other income:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Interest income&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;1,481&#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: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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;2,341&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Four Corners SCR deferrals (Note 4)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;4,086&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;3,140&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Debt return on Ocotillo modernization project (Note 4)&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,392&#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;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;6,144&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other income&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;11,960&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;11,633&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Other expense:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 7.75pt 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;&#160;&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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Non-operating costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,778)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,482)&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Miscellaneous&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(1,572)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(2,186)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Total other 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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(3,350)&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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"&gt;(4,668)&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;</us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock>
    <us-gaap:InvestmentIncomeInterest
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85MS9mcmFnOmIxZjYwY2U1OThmNDQzZWFhYTIxZWM4MWI3YWVmYjkzL3RhYmxlOjYwZmU4NTNjMjE0YTQ4MTdiZjMyZjQ1NWZiNWUyNjc2L3RhYmxlcmFuZ2U6NjBmZTg1M2MyMTRhNDgxN2JmMzJmNDU1ZmI1ZTI2NzZfNS0xLTEtMS0zMTMz_a793ad79-f53b-495d-a4d3-30132e01f3be"
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    <pnw:MiscellaneousOtherNonoperatingIncome
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    <pnw:NonoperatingCosts
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      unitRef="usd">2658000</pnw:NonoperatingCosts>
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    <us-gaap:EarningsPerShareTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RleHRyZWdpb246Y2E5NWU5YzdhMzgyNGUxZGIxOWYwYTE5ZGE1ODJkMmVfMTY1_c4a4cc72-3955-4b39-b455-f4b898cc40c0">Earnings Per Share &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table presents the calculation of Pinnacle West&#x2019;s basic and diluted earnings per share (in thousands, except per share amounts):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.538%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:74.122%"/&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:10.769%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.838%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.771%"/&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 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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31,&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="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net income attributable to common shareholders&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;35,641&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;29,993&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Weighted average common shares outstanding &#x2014; basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;112,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:3pt double #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:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;112,594&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:3pt double #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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net effect of dilutive securities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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="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:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Contingently issuable performance shares and restricted stock units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;264&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;268&#160;&lt;/span&gt;&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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Weighted average common shares outstanding &#x2014; diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;113,093&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;112,862&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Earnings per weighted-average common share outstanding&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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;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="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:24.75pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net income attributable to common shareholders &#x2014; basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.32&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:24.75pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net income attributable to common shareholders &#x2014; diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.32&#160;&lt;/span&gt;&lt;/td&gt;&lt;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"/&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:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;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"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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;</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV85Ny9mcmFnOmNhOTVlOWM3YTM4MjRlMWRiMTlmMGExOWRhNTgyZDJlL3RleHRyZWdpb246Y2E5NWU5YzdhMzgyNGUxZGIxOWYwYTE5ZGE1ODJkMmVfMTY5_31751dc4-77d0-475a-8819-2c4ddea5dd5f">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table presents the calculation of Pinnacle West&#x2019;s basic and diluted earnings per share (in thousands, except per share amounts):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.538%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:74.122%"/&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:10.769%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.838%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.771%"/&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 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:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31,&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="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2021&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net income attributable to common shareholders&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;35,641&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;29,993&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Weighted average common shares outstanding &#x2014; basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;112,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:3pt double #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:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;112,594&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:3pt double #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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net effect of dilutive securities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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="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:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Contingently issuable performance shares and restricted stock units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;264&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;268&#160;&lt;/span&gt;&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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Weighted average common shares outstanding &#x2014; diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;113,093&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;112,862&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;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:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Earnings per weighted-average common share outstanding&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&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;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="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:24.75pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net income attributable to common shareholders &#x2014; basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.32&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:24.75pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Net income attributable to common shareholders &#x2014; diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.32&#160;&lt;/span&gt;&lt;/td&gt;&lt;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"/&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:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;0.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;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"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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;</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
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      unitRef="usd">35641000</us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
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      unitRef="usd">29993000</us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
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      unitRef="shares">112829000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
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      unitRef="shares">113093000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
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    <us-gaap:EarningsPerShareBasic
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    <us-gaap:FairValueDisclosuresTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90ZXh0cmVnaW9uOmMxMWNkMWE0Y2I5OTQ5NmE4MjQ4Y2ZiYTQ5ZmE2OWY1XzEyMDI4_7f5a0ade-4de2-47f2-aed7-28deb657e525">Fair Value Measurements &lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We classify our assets and liabilities that are carried at fair value within the fair value hierarchy.&#160; This hierarchy ranks the quality and reliability of the inputs used to determine fair values, which are then classified and disclosed in one of three categories.&#160; The three levels of the fair value hierarchy are:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Level 1 &#x2014; Inputs are unadjusted quoted prices in active markets for identical assets or liabilities at the measurement date. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Level 2 &#x2014; Other significant observable inputs, including quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active, and model-derived valuations whose inputs are observable (such as yield curves).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Level 3 &#x2014; Valuation models with significant unobservable inputs that are supported by little or no market activity.&#160; Instruments in this category may include long-dated derivative transactions where valuations are unobservable due to the length of the transaction, options, and transactions in locations where observable market data does not exist.&#160; The valuation models we employ utilize spot prices, forward prices, historical market data and other factors to forecast future prices.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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.&#160; Thus, a valuation may be classified in Level 3 even though the valuation may include significant inputs that are readily observable.&#160; We maximize the use of observable inputs and minimize the use of unobservable inputs.&#160; We rely primarily on the market approach of using prices and other market information for identical and/or comparable assets and liabilities.&#160; If market data is not readily available, inputs may reflect our own assumptions about the inputs market participants would use.&#160; Our assessment of the inputs and the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of fair value assets and liabilities as well as their placement within the fair value hierarchy levels.&#160; We assess whether a market is active by obtaining observable broker quotes, reviewing actual market activity, and assessing the volume of transactions.&#160; We consider broker quotes observable inputs when the quote is binding on the broker, we can validate the quote with market activity, or we can determine that the inputs the broker used to arrive at the quoted price are observable.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Certain instruments have been valued using the concept of Net Asset Value (&#x201c;NAV&#x201d;) as a practical expedient.  These instruments are typically structured as investment companies offering shares or units to multiple investors for the purpose of providing a return.  These instruments are similar to mutual funds; however, their NAV is generally not published and publicly available, nor are these instruments traded on an exchange.  Instruments valued using NAV as a practical expedient are included in our fair value disclosures; however, in accordance with GAAP are not classified within the fair value hierarchy levels.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Recurring Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We apply recurring fair value measurements to cash equivalents, derivative instruments, and investments held in the nuclear decommissioning trusts and other special use funds.  On an annual basis, we apply fair value measurements to plan assets held in our retirement and other benefit plans.&#160; See Note 8 in the 2020 Form 10-K for fair value discussion of plan assets held in our retirement and other benefit plans.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Cash Equivalents&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Cash equivalents represent certain investments in money market funds that are valued using quoted prices in active markets.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Risk Management Activities &#x2014; Derivative Instruments&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Exchange traded commodity contracts are valued using unadjusted quoted prices.&#160; For non-exchange traded commodity contracts, we calculate fair value based on the average of the bid and offer price, discounted to reflect net present value.&#160; We maintain certain valuation adjustments for a number of risks associated with the valuation of future commitments.&#160; These include valuation adjustments for liquidity and credit risks.&#160; The liquidity valuation adjustment represents the cost that would be incurred if all unmatched positions were closed out or hedged.&#160; The credit valuation adjustment represents estimated credit losses on our net exposure to counterparties, taking into account netting agreements, expected default experience for the credit rating of the counterparties and the overall diversification of the portfolio.&#160; We maintain credit policies that management believes minimize overall credit risk.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Certain non-exchange traded commodity contracts are valued based on unobservable inputs due to the long-term nature of contracts, characteristics of the product, or the unique location of the transactions.&#160; Our long-dated energy transactions consist of observable valuations for the near-term portion and unobservable valuations for the long-term portions of the transaction.&#160; We rely primarily on broker quotes to value these instruments.&#160; When our valuations utilize broker quotes, we perform various control procedures to ensure the quote has been developed consistent with fair value accounting guidance.&#160; These controls include assessing the quote for reasonableness by comparison against other broker quotes, reviewing historical price relationships, and assessing market activity.&#160; When broker quotes are not available, the primary valuation technique used to calculate the fair value is the extrapolation of forward pricing curves using observable market data for more liquid delivery points in the same region and actual transactions at more illiquid delivery points.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;When the unobservable portion is significant to the overall valuation of the transaction, the entire transaction is classified as Level 3.&#160; &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Investments Held in Nuclear Decommissioning Trusts and Other Special Use Funds&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The nuclear decommissioning trusts and other special use funds invest in fixed income and equity securities.  Other special use funds include the coal reclamation escrow account and the active union employee medical account.  See Note 12 for additional discussion about our investment accounts.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We value investments in fixed income and equity securities using information provided by our trustees and escrow agent.  Our trustees and escrow agent use pricing services that utilize the valuation methodologies described below to determine fair market value. We have internal control procedures designed to ensure this information is consistent with fair value accounting guidance. These procedures include assessing valuations using an independent pricing source, verifying that pricing can be supported by actual recent market transactions, assessing hierarchy classifications, comparing investment returns with benchmarks, and obtaining and reviewing independent audit reports on the trustees&#x2019; and escrow agent&#x2019;s internal operating controls and valuation processes.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Fixed Income Securities&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Fixed income securities issued by the U.S. Treasury are valued using quoted active market prices and are typically classified as Level 1.&#160; Fixed income securities issued by corporations, municipalities, and other agencies, including mortgage-backed instruments, are valued using quoted inactive market prices, quoted active market prices for similar securities, or by utilizing calculations which incorporate observable inputs such as yield curves and spreads relative to such yield curves.&#160; These fixed income instruments are classified as Level 2.&#160; Whenever possible, multiple market quotes are obtained which enables a cross-check validation.&#160; A primary price source is identified based on asset type, class, or issue of securities.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Fixed income securities may also include short-term investments in certificates of deposit, variable rate notes, time deposit accounts, U.S. Treasury and Agency obligations, U.S. Treasury repurchase agreements, commercial paper, and other short-term instruments. These instruments are valued using active market prices or utilizing observable inputs described above.  &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Equity Securities&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The Nuclear Decommissioning Trusts's equity security investments are held indirectly through commingled funds.&#160; The commingled funds are valued using the funds&#x2019; NAV as a practical expedient.  The funds&#x2019; NAV is primarily derived from the quoted active market prices of the underlying equity securities held by the funds.  We may transact in these commingled funds on a semi-monthly basis at the NAV.&#160; The commingled funds are maintained by a bank and hold investments in accordance with the stated objective of tracking the performance of the S&amp;amp;P 500 Index.&#160; Because the commingled funds&#x2019; shares are offered to a limited group of investors, they are not considered to be traded in an active market.  As these instruments are valued using NAV, as a practical expedient, they have not been classified within the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The Nuclear Decommissioning Trusts and other special use funds may also hold equity securities that include exchange traded mutual funds and money market accounts for short-term liquidity purposes.  These short-term, highly-liquid, investments are valued using active market prices. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;Fair Value Tables&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table presents the fair value at March&#160;31, 2021 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.867%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.345%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.971%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.971%"/&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:0.1%"/&gt;&lt;td style="width:0.971%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&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:2.413%"/&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:11.349%"/&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:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;1&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;2&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;3&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; 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;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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;14,353&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,340&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,882)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Nuclear decommissioning trust:&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,160&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(15,538)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,622&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. commingled equity funds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;648,199&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(c)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;648,199&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;175,707&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;175,707&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate debt&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;143,876&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;143,876&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;110,073&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;110,073&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;64,479&#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: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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;64,479&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other fixed income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,743&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,743&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal nuclear decommissioning trust&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;197,867&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;329,171&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;632,661&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,159,699&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other special use funds:&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;19,211&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,401&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20,612&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;323,589&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;323,589&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,305&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,305&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal other special use funds&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;342,800&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,305&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,401&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;357,506&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;540,667&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;356,829&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,340&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;630,180&#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;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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,543,016&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; derivative instruments:&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(11,668)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(924)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,597&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,995)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents counterparty netting, margin, and collateral.  See Note 7.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table presents the fair value at December&#160;31, 2020 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"&gt;&lt;tr&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:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.424%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.797%"/&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:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;1&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;2&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;3&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; 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;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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,016&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(4,271)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Nuclear decommissioning trust:&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;29,796&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(17,828)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,968&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. commingled equity funds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;610,055&#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;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(c)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;610,055&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;164,514&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;164,514&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate debt&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;149,509&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;149,509&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;99,623&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;99,623&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,705&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,705&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other fixed income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,061&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,061&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal nuclear decommissioning trust&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;194,310&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;351,898&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;592,227&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,138,435&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other special use funds:&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;203,220&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;203,220&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal other special use funds&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;240,557&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,448&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;254,509&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total 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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;434,867&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;374,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;588,460&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,397,693&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; derivative instruments:&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(20,498)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(1,107)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,986&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(18,619)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents counterparty netting, margin, and collateral.  See Note 7.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Fair Value Measurements Classified as Level 3&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The significant unobservable inputs used in the fair value measurement of our energy derivative contracts include broker quotes that cannot be validated as an observable input primarily due to the long-term nature of the quote or other characteristics of the product.&#160; Significant changes in these inputs in isolation would result in significantly higher or lower fair value measurements.&#160; Changes in our derivative contract fair values, including changes relating to unobservable inputs, typically will not impact net income due to regulatory accounting treatment (see Note 4).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Because our forward commodity contracts classified as Level 3 are currently in a net purchase position, we would expect price increases of the underlying commodity to result in increases in the net fair value of the related contracts.&#160; Conversely, if the price of the underlying commodity decreases, the net fair value of the related contracts would likely decrease.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;Other unobservable valuation inputs include credit and liquidity reserves which do not have a material impact on our valuations; however, significant changes in these inputs could also result in higher or lower fair value measurements.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Financial Instruments Not Carried at Fair Value&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The carrying value of our short-term borrowings approximate fair value and are classified within Level 2 of the fair value hierarchy.&#160;See Note 3 for our long-term debt fair values.  The NTEC note receivable related to the sale of 4CA&#x2019;s interest in Four Corners bears interest at 3.9% per annum and has a book value of $22.7&#160;million as of March&#160;31, 2021 and $27.1&#160;million as of December 31, 2020, as presented on the Condensed Consolidated Balance Sheets.&#160; The carrying amount is not materially different from the fair value of the note receivable and is classified within Level 3 of the fair value hierarchy.&#160; See Note 8 for more information on 4CA matters.&lt;/span&gt;&lt;/div&gt;</us-gaap:FairValueDisclosuresTextBlock>
    <us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDAvZnJhZzpjMTFjZDFhNGNiOTk0OTZhODI0OGNmYmE0OWZhNjlmNS90ZXh0cmVnaW9uOmMxMWNkMWE0Y2I5OTQ5NmE4MjQ4Y2ZiYTQ5ZmE2OWY1XzEyMDM0_057fcc05-1e7b-4932-bd1e-227f394af553">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table presents the fair value at March&#160;31, 2021 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.867%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.345%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.971%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.971%"/&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:0.1%"/&gt;&lt;td style="width:0.971%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&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:2.413%"/&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:11.349%"/&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:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;1&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;2&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;3&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; 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;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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;14,353&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,340&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,882)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,811&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Nuclear decommissioning trust:&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,160&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(15,538)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,622&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. commingled equity funds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;648,199&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(c)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;648,199&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;175,707&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;175,707&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate debt&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;143,876&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;143,876&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;110,073&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;110,073&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;64,479&#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: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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;64,479&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other fixed income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,743&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,743&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal nuclear decommissioning trust&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;197,867&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;329,171&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;632,661&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,159,699&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other special use funds:&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;19,211&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,401&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20,612&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;323,589&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;323,589&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,305&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,305&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal other special use funds&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;342,800&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,305&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,401&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;357,506&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;540,667&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;356,829&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,340&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;630,180&#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;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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,543,016&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; derivative instruments:&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(11,668)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(924)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,597&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(9,995)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents counterparty netting, margin, and collateral.  See Note 7.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table presents the fair value at December&#160;31, 2020 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"&gt;&lt;tr&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:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.424%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.534%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.797%"/&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:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;1&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;2&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Level&#160;3&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; 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;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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,016&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(4,271)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,749&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Nuclear decommissioning trust:&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;29,796&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(17,828)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,968&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. commingled equity funds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;610,055&#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;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(c)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;610,055&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;164,514&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;164,514&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate debt&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;149,509&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;149,509&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;99,623&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;99,623&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,705&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,705&#160;&lt;/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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other fixed income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,061&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,061&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal nuclear decommissioning trust&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;194,310&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;351,898&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;592,227&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,138,435&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other special use funds:&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;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;U.S. Treasury debt&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;203,220&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;203,220&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Municipal bonds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Subtotal other special use funds&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;240,557&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;13,448&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;254,509&#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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total 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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;434,867&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;374,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;588,460&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,397,693&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Risk management activities &#x2014; derivative instruments:&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(20,498)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(1,107)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,986&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(18,619)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Represents counterparty netting, margin, and collateral.  See Note 7.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(c)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock>
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    <us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzQwOTU_50f5b75d-158b-4b7a-8593-505d9413e9ff">Investments in Nuclear Decommissioning Trusts and Other Special Use Funds &lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;We have investments in debt and equity securities held in Nuclear Decommissioning Trusts, Coal  Reclamation Escrow Account, and an Active Union Employee Medical Account. Investments in debt securities are classified as available-for-sale securities.  We record both debt and equity security investments at their fair value on our Condensed Consolidated Balance Sheets.  See Note 11 for a discussion of how fair value is determined and the classification of the investments within the fair value hierarchy.  The investments in each trust or account are restricted for use and are intended to fund specified costs and activities as further described for each fund below.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Nuclear Decommissioning Trusts &#x2014; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS established external decommissioning trusts in accordance with NRC regulations to fund the future costs APS expects to incur to decommission Palo Verde.&#160; Third-party investment managers are authorized to buy and sell securities per stated investment guidelines.&#160; The trust funds are invested in fixed income securities and equity securities.  Earnings and proceeds from sales and maturities of securities are reinvested in the trusts.  Because of the ability of APS to recover decommissioning costs in rates, and in accordance with the regulatory treatment, APS has deferred realized and unrealized gains and losses (including credit losses) in other regulatory liabilities. &lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Coal Reclamation Escrow Account &#x2014; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS has investments restricted for the future coal mine reclamation funding related to Four Corners. This escrow account is primarily invested in fixed income securities. Earnings and proceeds from sales of securities are reinvested in the escrow account.  Because of the ability of APS to recover coal mine reclamation costs in rates, and in accordance with the regulatory treatment, APS has deferred realized and unrealized gains and losses (including credit losses) in other regulatory liabilities.  Activities relating to APS coal mine reclamation escrow account investments are included within the other special use funds in the table below.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Active Union Employee Medical Account &#x2014; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;APS has investments restricted for paying active union employee medical costs. These investments may be used to pay active union employee medical costs incurred in the current and future periods.  In 2020 and 2019, APS was reimbursed $14&#160;million and $15&#160;million, respectively, for prior year active union employee medical claims from the active union employee medical account.  The account is invested primarily in fixed income securities. In accordance with the ratemaking treatment, APS has deferred the unrealized gains and losses (including credit losses) in other regulatory liabilities. Activities relating to active union employee medical account investments are included within the other special use funds in the table below.  On January 4, 2021, an additional $106&#160;million of investments were transferred from APS other postretirement benefit trust assets into the active union employee medical account (see Note 5).&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%"&gt;APS&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-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following tables present the unrealized gains and losses based on the original cost of the investment and summarizes the fair value of APS&#x2019;s nuclear decommissioning trusts and other special use fund assets (dollars in thousands): &#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.820%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.687%"/&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:9.002%"/&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:10.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.413%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&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:8.421%"/&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="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Fair&#160;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" rowspan="2" 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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Gains&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" 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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Losses&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:32pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Investment Type:&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trusts&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Special Use Funds&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;670,359&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;19,211&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;689,570&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;457,442&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Available for sale-fixed income securities&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504,878&#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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;336,894&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;841,772&#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;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;27,338&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,203)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(15,538)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,401&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(14,137)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,159,699&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;357,506&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,517,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;484,780&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,203)&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="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;As of March&#160;31, 2021, the amortized cost basis of these available-for-sale investments is $818 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.820%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.687%"/&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:9.002%"/&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:10.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.413%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&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:8.421%"/&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="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Fair&#160;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" 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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Gains&lt;/span&gt;&lt;/td&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:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Losses&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:32pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Investment Type:&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trusts&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Special Use Funds&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;639,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;677,188&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;421,666&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Available for sale-fixed income securities&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;516,412&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;216,668&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;733,080&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;46,581&#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="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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(17,828)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(17,324)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,138,435&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;254,509&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,392,944&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;468,247&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(398)&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="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;As of December&#160;31, 2020, the amortized cost basis of these available-for-sale investments is $687 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table sets forth APS&#x2019;s realized gains and losses relating to the sale and maturity of available-for-sale debt securities and equity securities, and the proceeds from the sale and maturity of these investment securities (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:42.448%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.228%"/&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:17.228%"/&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:17.230%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31,&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trusts&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Special Use Funds&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Realized gains&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,968&#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="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,968&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Realized losses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(4,148)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(4,148)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Proceeds from the sale of securities (a)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;234,728&#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="3" style="padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;145,250&#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="3" style="padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;379,978&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Realized gains&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,313&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,313&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Realized losses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(2,227)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(2,227)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Proceeds from the sale of securities (a)&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;178,196&#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="3" style="padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,891&#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="3" style="padding:0 1pt"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;195,087&#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&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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Proceeds are reinvested in the nuclear decommissioning trusts and other special use funds, excluding amounts reimbursed to the Company for active union employee medical claims from the active union employee medical account.&#160;&#160;&#160;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"&gt;Fixed Income Securities Contractual Maturities&lt;/span&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="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The fair value of APS&#x2019;s fixed income securities, summarized by contractual maturities, at March&#160;31, 2021, is as follows (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:27.116%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.297%"/&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:16.297%"/&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:16.297%"/&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:16.303%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trust&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Coal Reclamation Escrow Account&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Active Union Employee Medical Account&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less than one year&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,048&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;26,259&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,469&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;91,776&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1 year &#x2013; 5 years&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;147,347&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;34,936&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;160,324&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;342,607&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5 years &#x2013; 10 years&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;137,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,708&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;63,477&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;203,664&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Greater than 10 years&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;195,004&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,721&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;203,725&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;72,624&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;264,270&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;841,772&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock>
    <pnw:EmployeeMedicalClaimsAmount
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    <pnw:EmployeeMedicalClaimsAmount
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      decimals="-6"
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    <us-gaap:DefinedBenefitPlanAssetsTransferredToFromPlan
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3Xzc2OTY1ODEzOTk0MDM_86fc6f51-71d4-438d-b3b8-3cacba0d399e"
      unitRef="usd">106000000</us-gaap:DefinedBenefitPlanAssetsTransferredToFromPlan>
    <us-gaap:AvailableForSaleSecuritiesTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzQwOTk_dfa5b754-f79c-45c2-b1ab-27a7744d3fab">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following tables present the unrealized gains and losses based on the original cost of the investment and summarizes the fair value of APS&#x2019;s nuclear decommissioning trusts and other special use fund assets (dollars in thousands): &#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.820%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.687%"/&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:9.002%"/&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:10.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.413%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&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:8.421%"/&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="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;March 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Fair&#160;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" rowspan="2" 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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Gains&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" 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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Losses&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:32pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Investment Type:&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trusts&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Special Use Funds&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;670,359&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;19,211&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;689,570&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;457,442&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Available for sale-fixed income securities&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504,878&#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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;336,894&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;841,772&#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;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;27,338&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,203)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(15,538)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,401&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(14,137)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,159,699&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;357,506&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,517,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;484,780&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,203)&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="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;As of March&#160;31, 2021, the amortized cost basis of these available-for-sale investments is $818 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.820%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.687%"/&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:9.002%"/&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:10.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.413%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.856%"/&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:8.421%"/&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="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Fair&#160;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" 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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Gains&lt;/span&gt;&lt;/td&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:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&lt;br/&gt;Unrealized&lt;br/&gt;Losses&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:32pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Investment Type:&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trusts&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Special Use Funds&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Total&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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Equity securities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;639,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;37,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;677,188&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;421,666&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Available for sale-fixed income securities&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;516,412&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;216,668&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;733,080&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;46,581&#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="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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(17,828)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(17,324)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,138,435&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;254,509&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,392,944&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;468,247&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(398)&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="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt"&gt;As of December&#160;31, 2020, the amortized cost basis of these available-for-sale investments is $687 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt"&gt;Represents net pending securities sales and purchases.&lt;/span&gt;&lt;/div&gt;</us-gaap:AvailableForSaleSecuritiesTextBlock>
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style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.228%"/&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:17.228%"/&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:17.230%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31,&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trusts&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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Other Special Use Funds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 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Roman',sans-serif;font-size:10pt;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="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,313&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New 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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90ZXh0cmVnaW9uOmZmNzEwMTBlZjFlOTRkNzE5YzY4NjIwMGJkMGJiNjM3XzQwODI_c8a38484-fdf2-46f9-8e21-3f4a60d86121">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The fair value of APS&#x2019;s fixed income securities, summarized by contractual maturities, at March&#160;31, 2021, is as follows (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:27.116%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.297%"/&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:16.297%"/&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:16.297%"/&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:16.303%"/&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;&#160;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nuclear Decommissioning Trust&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Coal Reclamation Escrow Account&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Active Union Employee Medical Account&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less than one year&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,048&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;26,259&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,469&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;91,776&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1 year &#x2013; 5 years&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;147,347&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;34,936&#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;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;160,324&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;342,607&#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;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5 years &#x2013; 10 years&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;137,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,708&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;63,477&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;203,664&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Greater than 10 years&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;195,004&#160;&lt;/span&gt;&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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,721&#160;&lt;/span&gt;&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" 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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzUtMy0xLTEtMA_333f4da9-89e2-44c2-aa98-61c9b208caaf"
      unitRef="usd">72624000</pnw:DecommissioningandOtherSpecialUseFundInvestmentsFairValue>
    <pnw:DecommissioningandOtherSpecialUseFundInvestmentsFairValue
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzUtNS0xLTEtMA_1cdabb60-bcd4-4e07-a10f-c260c12527b3"
      unitRef="usd">264270000</pnw:DecommissioningandOtherSpecialUseFundInvestmentsFairValue>
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      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDMvZnJhZzpmZjcxMDEwZWYxZTk0ZDcxOWM2ODYyMDBiZDBiYjYzNy90YWJsZTpjZmVkMGM1MDExMjE0M2QxYWRiMjZhNTlhMDI4NzJkNy90YWJsZXJhbmdlOmNmZWQwYzUwMTEyMTQzZDFhZGIyNmE1OWEwMjg3MmQ3XzUtNy0xLTEtMA_48d0c5f3-871e-400e-b9fb-83d5a3f16e3e"
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    <us-gaap:ComprehensiveIncomeNoteTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90ZXh0cmVnaW9uOjlkNmJhMWU0NGE5NTQ2YmE5YjM1YmYzZTQwMWM4M2Y2XzU1NQ_3180b188-3c3a-49ce-a38a-9d8b2372bfa3">Changes in Accumulated Other Comprehensive Loss &lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table shows the changes in Pinnacle West&#x2019;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:right"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:43.995%"/&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: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:2.413%"/&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:13.102%"/&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:2.413%"/&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:13.398%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Pension and Other Postretirement Benefits&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Derivative Instruments&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Total &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(60,725)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(2,071)&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;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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(62,796)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;OCI (loss) before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,022&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(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:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,022&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(59,703)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,809)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(61,512)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:3pt double #000000;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;border-top:3pt double #000000;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;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(56,522)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(574)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(57,096)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;OCI (loss) before reclassifications&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:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/span&gt;&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;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,225&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;/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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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 #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(55,317)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;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 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 #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(262)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(55,579)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;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 style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table shows the changes in APS&#x2019;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component for the three months ended March 31, 2021 and 2020 (dollars in thousands):&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:43.490%"/&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: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:2.847%"/&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:12.935%"/&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:2.847%"/&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:13.526%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Pension and Other Postretirement Benefits&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Derivative Instruments&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Total &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(40,918)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;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="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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(40,918)&lt;/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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2021&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(39,991)&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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(39,991)&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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(34,948)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(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="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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(35,522)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;OCI (loss) before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,013&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(b)&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,033&#160;&lt;/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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(33,935)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(262)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(34,197)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;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 style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)  These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)  These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.&lt;/span&gt;&lt;/div&gt;</us-gaap:ComprehensiveIncomeNoteTextBlock>
    <us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
      contextRef="i103145022d7346afb2668345eaf8ab59_D20210101-20210331"
      id="id3VybDovL2RvY3MudjEvZG9jOjkxNTU4NDE4OWEzODRlYmZiZDI0NTgyMjhiOTE0NjI5L3NlYzo5MTU1ODQxODlhMzg0ZWJmYmQyNDU4MjI4YjkxNDYyOV8xMDkvZnJhZzo5ZDZiYTFlNDRhOTU0NmJhOWIzNWJmM2U0MDFjODNmNi90ZXh0cmVnaW9uOjlkNmJhMWU0NGE5NTQ2YmE5YjM1YmYzZTQwMWM4M2Y2XzU1NA_a1dd54c3-1c53-4ccd-92ff-856214c28ef4">&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table shows the changes in Pinnacle West&#x2019;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:right"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:43.995%"/&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: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:2.413%"/&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:13.102%"/&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:2.413%"/&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:13.398%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Pension and Other Postretirement Benefits&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Derivative Instruments&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Total &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(60,725)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(2,071)&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;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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(62,796)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;OCI (loss) before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,022&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(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:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,022&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(59,703)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(1,809)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(61,512)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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:3pt double #000000;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;border-top:3pt double #000000;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;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(56,522)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(574)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(57,096)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;OCI (loss) before reclassifications&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:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/span&gt;&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;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,225&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;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;/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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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 #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(55,317)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;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 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 #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(262)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(55,579)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;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 style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-indent:36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"&gt;The following table shows the changes in APS&#x2019;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component for the three months ended March 31, 2021 and 2020 (dollars in thousands):&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:43.490%"/&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: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:2.847%"/&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:12.935%"/&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:2.847%"/&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:13.526%"/&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Pension and Other Postretirement Benefits&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Derivative Instruments&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:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;&#160;Total &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%"&gt;Three Months Ended March 31&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(40,918)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;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="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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(40,918)&lt;/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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2021&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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(39,991)&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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(39,991)&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:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(34,948)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(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="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;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(35,522)&lt;/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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;OCI (loss) before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;292&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,013&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&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:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#160;(b)&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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;1,033&#160;&lt;/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;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;Balance March 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(33,935)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(262)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%"&gt;(34,197)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double 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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660509693544">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cover Page - shares<br></strong></div></th>
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<th class="th"><div>Mar. 31, 2021</div></th>
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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_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">250-1000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">PNW<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Large Accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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>
</tr>
<tr 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_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">112,750,962<span></span>
</td>
</tr>
<tr 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">0000764622<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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>
</tr>
<tr 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>
</tr>
<tr 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_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">Q1<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_dei_EntityInformationLineItems', window );"><strong>Entity Information [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_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-Q<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Mar. 31,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">1-4473<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">ARIZONA PUBLIC SERVICE COMPANY<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">86-0011170<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">AZ<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">400 North Fifth Street, P.O.&#160;Box 53999<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">Phoenix<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">AZ<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">85072-3999<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">(602)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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">250-1000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Non-accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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>
</tr>
<tr 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_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">71,264,947<span></span>
</td>
</tr>
<tr 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">0000007286<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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>
</tr>
<tr 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>
</tr>
<tr 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_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">Q1<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_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</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_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">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</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_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>
</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:gMonthDayItemType</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_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>
</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:fiscalPeriodItemType</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_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>
</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:gYearItemType</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_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>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. 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_DocumentQuarterlyReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 quarterly 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-Q<br> -Number 240<br> -Section 308<br> -Subsection a<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ 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_DocumentQuarterlyReport</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_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_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 Regulation 12B<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 Regulation 12B<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 Regulation 12B<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_EntityInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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;">dei_EntityInformationLineItems</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: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_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_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 Regulation 12B<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 Regulation 12B<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 Regulation 12B<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 Regulation 12B<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_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>
</table>
<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>
</div></td></tr>
</table>
<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>
</table>
<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>
</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:tradingSymbolItemType</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_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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>16
<FILENAME>R2.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513450072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($)<br> shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_Revenues', window );">OPERATING REVENUES (NOTE 2)</a></td>
<td class="nump">$ 696,475<span></span>
</td>
<td class="nump">$ 661,930<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpensesAbstract', window );"><strong>OPERATING EXPENSES</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_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization', window );">Fuel and purchased power</a></td>
<td class="nump">198,227<span></span>
</td>
<td class="nump">188,521<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations', window );">Operations and maintenance</a></td>
<td class="nump">230,055<span></span>
</td>
<td class="nump">221,318<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">157,820<span></span>
</td>
<td class="nump">154,079<span></span>
</td>
</tr>
<tr class="ro">
<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 other than income taxes</a></td>
<td class="nump">59,483<span></span>
</td>
<td class="nump">56,768<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherCostAndExpenseOperating', window );">Other expenses</a></td>
<td class="nump">3,356<span></span>
</td>
<td class="nump">822<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_CostsAndExpenses', window );">Total</a></td>
<td class="nump">648,941<span></span>
</td>
<td class="nump">621,508<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">47,534<span></span>
</td>
<td class="nump">40,422<span></span>
</td>
</tr>
<tr class="ro">
<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 (DEDUCTIONS)</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_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity', window );">Allowance for equity funds used during construction</a></td>
<td class="nump">9,207<span></span>
</td>
<td class="nump">7,697<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Pension and other postretirement non-service credits &#8212; net</a></td>
<td class="nump">27,791<span></span>
</td>
<td class="nump">13,911<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncome', window );">Other income (Note 9)</a></td>
<td class="nump">12,429<span></span>
</td>
<td class="nump">12,569<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_OtherNonoperatingExpense', window );">Other expense (Note 9)</a></td>
<td class="num">(3,853)<span></span>
</td>
<td class="num">(4,784)<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</a></td>
<td class="nump">45,574<span></span>
</td>
<td class="nump">29,393<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpenseAbstract', window );"><strong>INTEREST EXPENSE</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_InterestCostsIncurred', window );">Interest charges</a></td>
<td class="nump">61,938<span></span>
</td>
<td class="nump">59,234<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions', window );">Allowance for borrowed funds used during construction</a></td>
<td class="num">(4,994)<span></span>
</td>
<td class="num">(4,076)<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_InterestExpense', window );">Total</a></td>
<td class="nump">56,944<span></span>
</td>
<td class="nump">55,158<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_IncomeLossIncludingPortionAttributableToNoncontrollingInterest', window );">INCOME BEFORE INCOME TAXES</a></td>
<td class="nump">36,164<span></span>
</td>
<td class="nump">14,657<span></span>
</td>
</tr>
<tr class="re">
<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 TAXES</a></td>
<td class="num">(4,350)<span></span>
</td>
<td class="num">(20,209)<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">40,514<span></span>
</td>
<td class="nump">34,866<span></span>
</td>
</tr>
<tr class="re">
<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 noncontrolling interests</a></td>
<td class="nump">4,873<span></span>
</td>
<td class="nump">4,873<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_NetIncomeLossAvailableToCommonStockholdersBasic', window );">NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS</a></td>
<td class="nump">$ 35,641<span></span>
</td>
<td class="nump">$ 29,993<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_WeightedAverageNumberOfSharesOutstandingAbstract', window );"><strong>WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING</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_WeightedAverageNumberOfSharesOutstandingBasic', window );">WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)</a></td>
<td class="nump">112,829<span></span>
</td>
<td class="nump">112,594<span></span>
</td>
</tr>
<tr class="re">
<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 COMMON SHARES OUTSTANDING - DILUTED (in shares)</a></td>
<td class="nump">113,093<span></span>
</td>
<td class="nump">112,862<span></span>
</td>
</tr>
<tr class="ro">
<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 WEIGHTED-AVERAGE COMMON SHARE OUTSTANDING</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_EarningsPerShareBasic', window );">Net income attributable to common shareholders - basic (in dollars per share)</a></td>
<td class="nump">$ 0.32<span></span>
</td>
<td class="nump">$ 0.27<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_EarningsPerShareDiluted', window );">Net income attributable to common shareholders - diluted (in dollars per share)</a></td>
<td class="nump">$ 0.32<span></span>
</td>
<td class="nump">$ 0.27<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_Revenues', window );">OPERATING REVENUES (NOTE 2)</a></td>
<td class="nump">$ 696,475<span></span>
</td>
<td class="nump">$ 661,930<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpensesAbstract', window );"><strong>OPERATING EXPENSES</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_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization', window );">Fuel and purchased power</a></td>
<td class="nump">198,227<span></span>
</td>
<td class="nump">188,521<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations', window );">Operations and maintenance</a></td>
<td class="nump">226,401<span></span>
</td>
<td class="nump">218,265<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">157,800<span></span>
</td>
<td class="nump">154,058<span></span>
</td>
</tr>
<tr class="re">
<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 other than income taxes</a></td>
<td class="nump">59,472<span></span>
</td>
<td class="nump">56,758<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherCostAndExpenseOperating', window );">Other expenses</a></td>
<td class="nump">3,356<span></span>
</td>
<td class="nump">822<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_CostsAndExpenses', window );">Total</a></td>
<td class="nump">645,256<span></span>
</td>
<td class="nump">618,424<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_OperatingIncomeLoss', window );">OPERATING INCOME</a></td>
<td class="nump">51,219<span></span>
</td>
<td class="nump">43,506<span></span>
</td>
</tr>
<tr class="re">
<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 (DEDUCTIONS)</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_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity', window );">Allowance for equity funds used during construction</a></td>
<td class="nump">9,207<span></span>
</td>
<td class="nump">7,697<span></span>
</td>
</tr>
<tr class="re">
<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 );">Pension and other postretirement non-service credits &#8212; net</a></td>
<td class="nump">27,837<span></span>
</td>
<td class="nump">14,262<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_OtherNonoperatingIncome', window );">Other income (Note 9)</a></td>
<td class="nump">11,960<span></span>
</td>
<td class="nump">11,633<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingExpense', window );">Other expense (Note 9)</a></td>
<td class="num">(3,350)<span></span>
</td>
<td class="num">(4,668)<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_NonoperatingIncomeExpense', window );">Total</a></td>
<td class="nump">45,654<span></span>
</td>
<td class="nump">28,924<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpenseAbstract', window );"><strong>INTEREST EXPENSE</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_InterestCostsIncurred', window );">Interest charges</a></td>
<td class="nump">59,388<span></span>
</td>
<td class="nump">55,736<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions', window );">Allowance for borrowed funds used during construction</a></td>
<td class="num">(4,994)<span></span>
</td>
<td class="num">(4,076)<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_InterestExpense', window );">Total</a></td>
<td class="nump">54,394<span></span>
</td>
<td class="nump">51,660<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_IncomeLossIncludingPortionAttributableToNoncontrollingInterest', window );">INCOME BEFORE INCOME TAXES</a></td>
<td class="nump">42,479<span></span>
</td>
<td class="nump">20,770<span></span>
</td>
</tr>
<tr class="ro">
<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 TAXES</a></td>
<td class="nump">2,319<span></span>
</td>
<td class="num">(19,448)<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_ProfitLoss', window );">NET INCOME</a></td>
<td class="nump">40,160<span></span>
</td>
<td class="nump">40,218<span></span>
</td>
</tr>
<tr class="ro">
<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 noncontrolling interests</a></td>
<td class="nump">4,873<span></span>
</td>
<td class="nump">4,873<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_NetIncomeLossAvailableToCommonStockholdersBasic', window );">NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS</a></td>
<td class="nump">$ 35,287<span></span>
</td>
<td class="nump">$ 35,345<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_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cost of product sold and service rendered, excluding depreciation, depletion, and amortization.</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(2)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<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 S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(2)(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_CostOfGoodsAndServicesSoldDepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 allocation of cost of tangible and intangible assets over their useful lives directly used in production of good and rendering of service.</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(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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_CostOfGoodsAndServicesSoldDepreciationAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=120395209&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_CostsAndExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_CostsAndExpensesAbstract</td>
</tr>
<tr>
<td style="padding-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_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>
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<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 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22583-107794<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 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<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 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1448-109256<br><br>Reference 4: 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=109234566&amp;loc=d3e22595-107794<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 (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&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 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1337-109256<br><br>Reference 7: 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=120380238&amp;loc=d3e4984-109258<br><br>Reference 8: 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 9: 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=120380238&amp;loc=d3e3842-109258<br><br>Reference 10: 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=109234566&amp;loc=d3e22644-107794<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=6371337&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 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=120395209&amp;loc=SL114868664-224227<br><br>Reference 13: 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=121326447&amp;loc=d3e1252-109256<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 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=SL5780133-109256<br><br>Reference 15: 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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>num: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=120380238&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=109234566&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=120380238&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=121326447&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=109234566&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=109234566&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=109234566&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=121326447&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 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 10: 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=6371337&amp;loc=d3e3550-109257<br><br>Reference 11: 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 12: 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=109234566&amp;loc=d3e22694-107794<br><br>Reference 13: 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=121326447&amp;loc=d3e1337-109256<br><br>Reference 14: 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=120395209&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>num: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_IncomeLossIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax, of income (loss) including portion attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and 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://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 210.5-03.18)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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_IncomeLossIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=116825942&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=84230637&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=120311839&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=109234566&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=120385591&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=109234566&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_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=119993939&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=120311839&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=120395209&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>
</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_InterestExpenseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_InterestExpenseAbstract</td>
</tr>
<tr>
<td style="padding-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_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=121641772&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=109234566&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=121641772&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=109234566&amp;loc=d3e22663-107794<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_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_NetIncomeLossAvailableToCommonStockholdersBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.</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 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22595-107794<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=121326447&amp;loc=d3e1448-109256<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 (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<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 11<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1377-109256<br><br>Reference 5: 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=6371337&amp;loc=d3e3550-109257<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 22<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<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 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&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 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 10: 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=120311839&amp;loc=d3e8924-108599<br><br>Reference 11: 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=120311839&amp;loc=d3e8906-108599<br><br>Reference 12: 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=109234566&amp;loc=d3e22583-107794<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 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<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_NetIncomeLossAvailableToCommonStockholdersBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=120395209&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>
</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=120311839&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=120311839&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=120311839&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=120311839&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=120311839&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_OtherCostAndExpenseOperating">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 other operating cost and expense items that are associated with the entity's normal revenue producing 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 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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_OtherCostAndExpenseOperating</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_OtherNonoperatingExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=120395209&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_OtherNonoperatingExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_OtherNonoperatingIncome">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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://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(7)(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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_OtherNonoperatingIncome</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=121641772&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 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<br> -URI 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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 8: 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=120311839&amp;loc=d3e8924-108599<br><br>Reference 9: 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=121641772&amp;loc=SL7669625-108580<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 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-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=108774443&amp;loc=SL4569616-111683<br><br>Reference 18: 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 19: 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=120311839&amp;loc=d3e8933-108599<br><br>Reference 20: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<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_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 increase in earnings in the period representing the cost of equity (based on assumed rate of return) and/or borrowed funds (based on interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments.</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=121586364&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 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44278-110382<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500269&amp;loc=d3e45485-110386<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=120311839&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=75031198&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=120311839&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=120311839&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 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<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 40<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e9031-108599<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 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<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 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e9038-108599<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 42<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e9054-108599<br><br>Reference 11: 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 12: 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 13: 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=120395209&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_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=120395209&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_UtilitiesOperatingExpenseMaintenanceAndOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 expense for routine plant maintenance, repairs and operations of regulated 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 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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_UtilitiesOperatingExpenseMaintenanceAndOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=6371337&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=121326447&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_WeightedAverageNumberOfSharesOutstandingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_WeightedAverageNumberOfSharesOutstandingAbstract</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_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=6371337&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=121326447&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>
</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>
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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;">dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember</td>
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<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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<tr>
<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513471896">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_ProfitLoss', window );">NET INCOME</a></td>
<td class="nump">$ 40,514<span></span>
</td>
<td class="nump">$ 34,866<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedgesAbstract', window );"><strong>Derivative instruments:</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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax', window );">Net unrealized gain, net of tax benefit (expense)</a></td>
<td class="nump">262<span></span>
</td>
<td class="nump">292<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Reclassification of net realized gain, net of tax benefit (expense)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">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_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax', window );">Pension and other postretirement benefits activity, net of tax expense</a></td>
<td class="nump">1,022<span></span>
</td>
<td class="nump">1,205<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_OtherComprehensiveIncomeLossNetOfTax', window );">Total other comprehensive income</a></td>
<td class="nump">1,284<span></span>
</td>
<td class="nump">1,517<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_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest', window );">COMPREHENSIVE INCOME</a></td>
<td class="nump">41,798<span></span>
</td>
<td class="nump">36,383<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_NetIncomeLossAttributableToNoncontrollingInterest', window );">Less: Comprehensive income attributable to noncontrolling interests</a></td>
<td class="nump">4,873<span></span>
</td>
<td class="nump">4,873<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_ComprehensiveIncomeNetOfTax', window );">COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS</a></td>
<td class="nump">36,925<span></span>
</td>
<td class="nump">31,510<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_ProfitLoss', window );">NET INCOME</a></td>
<td class="nump">40,160<span></span>
</td>
<td class="nump">40,218<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedgesAbstract', window );"><strong>Derivative instruments:</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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax', window );">Net unrealized gain, net of tax benefit (expense)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">292<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Reclassification of net realized gain, net of tax benefit (expense)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">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_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax', window );">Pension and other postretirement benefits activity, net of tax expense</a></td>
<td class="nump">927<span></span>
</td>
<td class="nump">1,013<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_OtherComprehensiveIncomeLossNetOfTax', window );">Total other comprehensive income</a></td>
<td class="nump">927<span></span>
</td>
<td class="nump">1,325<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_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest', window );">COMPREHENSIVE INCOME</a></td>
<td class="nump">41,087<span></span>
</td>
<td class="nump">41,543<span></span>
</td>
</tr>
<tr class="ro">
<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 noncontrolling interests</a></td>
<td class="nump">4,873<span></span>
</td>
<td class="nump">4,873<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_ComprehensiveIncomeNetOfTax', window );">COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS</a></td>
<td class="nump">$ 36,214<span></span>
</td>
<td class="nump">$ 36,670<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=120395209&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=121641772&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=121641772&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=121641772&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>
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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 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=121641772&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=108774443&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=121641772&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=120395209&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_DerivativeInstrumentsAndHedgesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DerivativeInstrumentsAndHedgesAbstract</td>
</tr>
<tr>
<td style="padding-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_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=121641772&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=109234566&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=121641772&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=109234566&amp;loc=d3e22663-107794<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_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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 before reclassification, of gain (loss) from 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 10A<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&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 11<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=121641772&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=121641772&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_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=121641772&amp;loc=SL7669619-108580<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=109259400&amp;loc=d3e21463-112644<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 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<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 (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=121640130&amp;loc=d3e1436-108581<br><br>Reference 6: 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 7: 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 8: 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=121641772&amp;loc=SL7669625-108580<br><br>Reference 9: 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 10: 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_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 adjustment, of (increase) decrease in accumulated other comprehensive income 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://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=121641772&amp;loc=d3e637-108580<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 10A<br> -Subparagraph (i-k)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&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_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=121641772&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 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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>18
<FILENAME>R4.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660514290392">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax', window );">Net unrealized gain, tax benefit (expense)</a></td>
<td class="num">$ (86)<span></span>
</td>
<td class="nump">$ 292<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Reclassification of net realized gain, tax expense</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">394<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax', window );">Pension and other postretirement benefits activity, tax expense</a></td>
<td class="nump">336<span></span>
</td>
<td class="nump">245<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax', window );">Net unrealized gain, tax benefit (expense)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">292<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Reclassification of net realized gain, tax expense</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">394<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax', window );">Pension and other postretirement benefits activity, tax expense</a></td>
<td class="nump">$ 305<span></span>
</td>
<td class="nump">$ 237<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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 reclassification, of tax expense (benefit) for gain (loss) from 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=121641772&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_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=121641772&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_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income 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=121641772&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 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i-k)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&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 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=108774443&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_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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>19
<FILENAME>R5.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660516409160">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Mar. 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">$ 17,202<span></span>
</td>
<td class="nump">$ 59,968<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGrossCurrent', window );">Customer and other receivables</a></td>
<td class="nump">263,126<span></span>
</td>
<td class="nump">313,576<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerAssetNetCurrent', window );">Accrued unbilled revenues</a></td>
<td class="nump">122,034<span></span>
</td>
<td class="nump">132,197<span></span>
</td>
</tr>
<tr class="re">
<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 );">Allowance for doubtful accounts</a></td>
<td class="num">(20,405)<span></span>
</td>
<td class="num">(19,782)<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_OtherInventorySupplies', window );">Materials and supplies (at average cost)</a></td>
<td class="nump">314,702<span></span>
</td>
<td class="nump">314,745<span></span>
</td>
</tr>
<tr class="re">
<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 );">Fossil fuel (at average cost)</a></td>
<td class="nump">24,396<span></span>
</td>
<td class="nump">19,552<span></span>
</td>
</tr>
<tr class="ro">
<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</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">6,792<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedges', window );">Assets from risk management activities (Note 7)</a></td>
<td class="nump">22,611<span></span>
</td>
<td class="nump">2,931<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Deferred fuel and purchased power regulatory asset (Note 4)</a></td>
<td class="nump">228,609<span></span>
</td>
<td class="nump">175,835<span></span>
</td>
</tr>
<tr class="re">
<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 );">Other regulatory assets (Note 4)</a></td>
<td class="nump">111,271<span></span>
</td>
<td class="nump">115,878<span></span>
</td>
</tr>
<tr class="ro">
<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">86,238<span></span>
</td>
<td class="nump">76,627<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_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">1,169,784<span></span>
</td>
<td class="nump">1,198,319<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_InvestmentsAndOtherAssetsAbstract', window );"><strong>INVESTMENTS AND 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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust (Notes 11 and 12)</a></td>
<td class="nump">1,159,699<span></span>
</td>
<td class="nump">1,138,435<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_pnw_CoalReclamationandUnionTrust', window );">Other special use funds (Notes 11 and 12)</a></td>
<td class="nump">357,506<span></span>
</td>
<td class="nump">254,509<span></span>
</td>
</tr>
<tr class="re">
<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</a></td>
<td class="nump">88,487<span></span>
</td>
<td class="nump">92,922<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_TotalInvestmentsAndOtherAssets', window );">Total investments and other assets</a></td>
<td class="nump">1,605,692<span></span>
</td>
<td class="nump">1,485,866<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNetAbstract', window );"><strong>PROPERTY, PLANT AND EQUIPMENT</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 );">Plant in service and held for future use</a></td>
<td class="nump">20,948,591<span></span>
</td>
<td class="nump">20,837,885<span></span>
</td>
</tr>
<tr class="re">
<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 );">Accumulated depreciation and amortization</a></td>
<td class="num">(7,189,708)<span></span>
</td>
<td class="num">(7,110,310)<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_PropertyPlantAndEquipmentNet', window );">Net</a></td>
<td class="nump">13,758,883<span></span>
</td>
<td class="nump">13,727,575<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_pnw_ConstructionWorkInProgressGross', window );">Construction work in progress</a></td>
<td class="nump">1,056,991<span></span>
</td>
<td class="nump">937,384<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_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet', window );">Palo Verde sale leaseback, net of accumulated depreciation (Note 6)</a></td>
<td class="nump">97,068<span></span>
</td>
<td class="nump">98,036<span></span>
</td>
</tr>
<tr class="re">
<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 of accumulated amortization</a></td>
<td class="nump">278,226<span></span>
</td>
<td class="nump">282,570<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NuclearFuelNetOfAmortization', window );">Nuclear fuel, net of accumulated amortization</a></td>
<td class="nump">124,533<span></span>
</td>
<td class="nump">113,645<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_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Total property, plant and equipment</a></td>
<td class="nump">15,315,701<span></span>
</td>
<td class="nump">15,159,210<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_DeferredCostsAbstract', window );"><strong>DEFERRED DEBITS</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_RegulatoryAssetsNoncurrent', window );">Regulatory assets (Note 4)</a></td>
<td class="nump">1,135,857<span></span>
</td>
<td class="nump">1,133,987<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Operating lease right-of-use assets</a></td>
<td class="nump">502,959<span></span>
</td>
<td class="nump">505,064<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent', window );">Assets for pension and other postretirement benefits (Note 5)</a></td>
<td class="nump">418,427<span></span>
</td>
<td class="nump">502,992<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherDeferredCostsNet', window );">Other</a></td>
<td class="nump">36,238<span></span>
</td>
<td class="nump">34,983<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_TotalDeferredDebits', window );">Total deferred debits</a></td>
<td class="nump">2,093,481<span></span>
</td>
<td class="nump">2,177,026<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">20,184,658<span></span>
</td>
<td class="nump">20,020,421<span></span>
</td>
</tr>
<tr class="re">
<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">309,145<span></span>
</td>
<td class="nump">318,585<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesPayableCurrent', window );">Accrued taxes</a></td>
<td class="nump">213,536<span></span>
</td>
<td class="nump">159,551<span></span>
</td>
</tr>
<tr class="ro">
<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">58,709<span></span>
</td>
<td class="nump">56,962<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableCurrent', window );">Common dividends payable</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">93,531<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_ShortTermBorrowings', window );">Short-term borrowings (Note 3)</a></td>
<td class="nump">214,750<span></span>
</td>
<td class="nump">169,000<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_ContractWithCustomerLiabilityCurrent', window );">Customer deposits</a></td>
<td class="nump">45,170<span></span>
</td>
<td class="nump">48,340<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedgesLiabilities', window );">Liabilities from risk management activities (Note 7)</a></td>
<td class="nump">3,067<span></span>
</td>
<td class="nump">7,557<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationCurrent', window );">Liabilities for asset retirements</a></td>
<td class="nump">16,021<span></span>
</td>
<td class="nump">15,586<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityCurrent', window );">Operating lease liabilities</a></td>
<td class="nump">74,328<span></span>
</td>
<td class="nump">74,785<span></span>
</td>
</tr>
<tr class="re">
<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 (Note 4)</a></td>
<td class="nump">250,228<span></span>
</td>
<td class="nump">229,088<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesCurrent', window );">Other current liabilities</a></td>
<td class="nump">145,589<span></span>
</td>
<td class="nump">187,448<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_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">1,330,543<span></span>
</td>
<td class="nump">1,360,433<span></span>
</td>
</tr>
<tr class="ro">
<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 less current maturities (Note 3)</a></td>
<td class="nump">6,465,045<span></span>
</td>
<td class="nump">6,314,266<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_DeferredCreditsAndOtherLiabilitiesAbstract', window );"><strong>DEFERRED CREDITS AND OTHER</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_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income taxes</a></td>
<td class="nump">2,134,471<span></span>
</td>
<td class="nump">2,135,403<span></span>
</td>
</tr>
<tr class="re">
<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 (Note 4)</a></td>
<td class="nump">2,427,769<span></span>
</td>
<td class="nump">2,450,169<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Liabilities for asset retirements</a></td>
<td class="nump">693,383<span></span>
</td>
<td class="nump">689,497<span></span>
</td>
</tr>
<tr class="re">
<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 );">Liabilities for pension benefits (Note 5)</a></td>
<td class="nump">164,230<span></span>
</td>
<td class="nump">166,484<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilitiesNoncurrent', window );">Liabilities from risk management activities (Note 7)</a></td>
<td class="nump">6,928<span></span>
</td>
<td class="nump">11,062<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityNoncurrent', window );">Customer advances</a></td>
<td class="nump">220,999<span></span>
</td>
<td class="nump">221,032<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MineReclamationAndClosingLiabilityNoncurrent', window );">Coal mine reclamation</a></td>
<td class="nump">171,227<span></span>
</td>
<td class="nump">170,097<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDeferredInvestmentTaxCredit', window );">Deferred investment tax credit</a></td>
<td class="nump">190,842<span></span>
</td>
<td class="nump">191,372<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Unrecognized tax benefits</a></td>
<td class="nump">5,870<span></span>
</td>
<td class="nump">5,834<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityNoncurrent', window );">Operating lease liabilities</a></td>
<td class="nump">360,497<span></span>
</td>
<td class="nump">361,336<span></span>
</td>
</tr>
<tr class="ro">
<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</a></td>
<td class="nump">206,174<span></span>
</td>
<td class="nump">190,643<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_DeferredCreditsAndOtherLiabilities', window );">Total deferred credits and other</a></td>
<td class="nump">6,582,390<span></span>
</td>
<td class="nump">6,592,929<span></span>
</td>
</tr>
<tr class="ro">
<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 AND CONTINGENCIES (NOTE 8)</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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract', window );"><strong>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, no par value; authorized 150,000,000 shares, 112,791,565 and 112,760,051 issued at respective dates</a></td>
<td class="nump">2,687,052<span></span>
</td>
<td class="nump">2,677,482<span></span>
</td>
</tr>
<tr class="re">
<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; 44,338 and 72,006 shares at respective dates</a></td>
<td class="num">(3,776)<span></span>
</td>
<td class="num">(6,289)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_CommonStockValueCommonAndTreasury', window );">Total common stock</a></td>
<td class="nump">2,683,276<span></span>
</td>
<td class="nump">2,671,193<span></span>
</td>
</tr>
<tr class="re">
<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">3,060,752<span></span>
</td>
<td class="nump">3,025,106<span></span>
</td>
</tr>
<tr class="ro">
<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 loss</a></td>
<td class="num">(61,512)<span></span>
</td>
<td class="num">(62,796)<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 shareholders&#8217; equity</a></td>
<td class="nump">5,682,516<span></span>
</td>
<td class="nump">5,633,503<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_MinorityInterest', window );">Noncontrolling interests (Note 6)</a></td>
<td class="nump">124,164<span></span>
</td>
<td class="nump">119,290<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">5,806,680<span></span>
</td>
<td class="nump">5,752,793<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 EQUITY</a></td>
<td class="nump">20,184,658<span></span>
</td>
<td class="nump">20,020,421<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_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="re">
<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">14,536<span></span>
</td>
<td class="nump">57,310<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_AccountsReceivableGrossCurrent', window );">Customer and other receivables</a></td>
<td class="nump">262,636<span></span>
</td>
<td class="nump">312,644<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerAssetNetCurrent', window );">Accrued unbilled revenues</a></td>
<td class="nump">122,034<span></span>
</td>
<td class="nump">132,197<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Allowance for doubtful accounts</a></td>
<td class="num">(20,405)<span></span>
</td>
<td class="num">(19,782)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherInventorySupplies', window );">Materials and supplies (at average cost)</a></td>
<td class="nump">314,702<span></span>
</td>
<td class="nump">314,745<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Fossil fuel (at average cost)</a></td>
<td class="nump">24,396<span></span>
</td>
<td class="nump">19,552<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedges', window );">Assets from risk management activities (Note 7)</a></td>
<td class="nump">22,611<span></span>
</td>
<td class="nump">2,931<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Deferred fuel and purchased power regulatory asset (Note 4)</a></td>
<td class="nump">228,609<span></span>
</td>
<td class="nump">175,835<span></span>
</td>
</tr>
<tr class="re">
<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 );">Other regulatory assets (Note 4)</a></td>
<td class="nump">111,271<span></span>
</td>
<td class="nump">115,878<span></span>
</td>
</tr>
<tr class="ro">
<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">56,987<span></span>
</td>
<td class="nump">47,593<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_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">1,137,377<span></span>
</td>
<td class="nump">1,158,903<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_InvestmentsAndOtherAssetsAbstract', window );"><strong>INVESTMENTS AND 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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust (Notes 11 and 12)</a></td>
<td class="nump">1,159,699<span></span>
</td>
<td class="nump">1,138,435<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_pnw_CoalReclamationandUnionTrust', window );">Other special use funds (Notes 11 and 12)</a></td>
<td class="nump">357,506<span></span>
</td>
<td class="nump">254,509<span></span>
</td>
</tr>
<tr class="re">
<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</a></td>
<td class="nump">44,829<span></span>
</td>
<td class="nump">46,010<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_TotalInvestmentsAndOtherAssets', window );">Total investments and other assets</a></td>
<td class="nump">1,562,034<span></span>
</td>
<td class="nump">1,438,954<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNetAbstract', window );"><strong>PROPERTY, PLANT AND EQUIPMENT</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 );">Plant in service and held for future use</a></td>
<td class="nump">20,945,129<span></span>
</td>
<td class="nump">20,834,424<span></span>
</td>
</tr>
<tr class="re">
<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 );">Accumulated depreciation and amortization</a></td>
<td class="num">(7,186,452)<span></span>
</td>
<td class="num">(7,107,058)<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_PropertyPlantAndEquipmentNet', window );">Net</a></td>
<td class="nump">13,758,677<span></span>
</td>
<td class="nump">13,727,366<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_pnw_ConstructionWorkInProgressGross', window );">Construction work in progress</a></td>
<td class="nump">1,056,991<span></span>
</td>
<td class="nump">937,384<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_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet', window );">Palo Verde sale leaseback, net of accumulated depreciation (Note 6)</a></td>
<td class="nump">97,068<span></span>
</td>
<td class="nump">98,036<span></span>
</td>
</tr>
<tr class="re">
<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 of accumulated amortization</a></td>
<td class="nump">278,071<span></span>
</td>
<td class="nump">282,415<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NuclearFuelNetOfAmortization', window );">Nuclear fuel, net of accumulated amortization</a></td>
<td class="nump">124,533<span></span>
</td>
<td class="nump">113,645<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_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Total property, plant and equipment</a></td>
<td class="nump">15,315,340<span></span>
</td>
<td class="nump">15,158,846<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredCostsAbstract', window );"><strong>DEFERRED DEBITS</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_RegulatoryAssetsNoncurrent', window );">Regulatory assets (Note 4)</a></td>
<td class="nump">1,135,857<span></span>
</td>
<td class="nump">1,133,987<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Operating lease right-of-use assets</a></td>
<td class="nump">501,395<span></span>
</td>
<td class="nump">503,475<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent', window );">Assets for pension and other postretirement benefits (Note 5)</a></td>
<td class="nump">410,933<span></span>
</td>
<td class="nump">495,673<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherDeferredCostsNet', window );">Other</a></td>
<td class="nump">35,751<span></span>
</td>
<td class="nump">34,413<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_TotalDeferredDebits', window );">Total deferred debits</a></td>
<td class="nump">2,083,936<span></span>
</td>
<td class="nump">2,167,548<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">20,098,687<span></span>
</td>
<td class="nump">19,924,251<span></span>
</td>
</tr>
<tr class="re">
<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">301,675<span></span>
</td>
<td class="nump">311,699<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesPayableCurrent', window );">Accrued taxes</a></td>
<td class="nump">211,174<span></span>
</td>
<td class="nump">148,970<span></span>
</td>
</tr>
<tr class="ro">
<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">56,454<span></span>
</td>
<td class="nump">56,322<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_DividendsPayableCurrent', window );">Common dividends payable</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">93,500<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_ShortTermBorrowings', window );">Short-term borrowings (Note 3)</a></td>
<td class="nump">199,500<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_ContractWithCustomerLiabilityCurrent', window );">Customer deposits</a></td>
<td class="nump">45,170<span></span>
</td>
<td class="nump">48,340<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedgesLiabilities', window );">Liabilities from risk management activities (Note 7)</a></td>
<td class="nump">3,067<span></span>
</td>
<td class="nump">7,557<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationCurrent', window );">Liabilities for asset retirements</a></td>
<td class="nump">16,021<span></span>
</td>
<td class="nump">15,586<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityCurrent', window );">Operating lease liabilities</a></td>
<td class="nump">74,235<span></span>
</td>
<td class="nump">74,695<span></span>
</td>
</tr>
<tr class="re">
<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 (Note 4)</a></td>
<td class="nump">250,228<span></span>
</td>
<td class="nump">229,088<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesCurrent', window );">Other current liabilities</a></td>
<td class="nump">152,290<span></span>
</td>
<td class="nump">190,420<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_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">1,309,814<span></span>
</td>
<td class="nump">1,176,177<span></span>
</td>
</tr>
<tr class="ro">
<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 less current maturities (Note 3)</a></td>
<td class="nump">5,818,520<span></span>
</td>
<td class="nump">5,817,945<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract', window );"><strong>DEFERRED CREDITS AND OTHER</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_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income taxes</a></td>
<td class="nump">2,150,668<span></span>
</td>
<td class="nump">2,143,673<span></span>
</td>
</tr>
<tr class="re">
<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 (Note 4)</a></td>
<td class="nump">2,427,769<span></span>
</td>
<td class="nump">2,450,169<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Liabilities for asset retirements</a></td>
<td class="nump">693,383<span></span>
</td>
<td class="nump">689,497<span></span>
</td>
</tr>
<tr class="re">
<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 );">Liabilities for pension benefits (Note 5)</a></td>
<td class="nump">147,235<span></span>
</td>
<td class="nump">148,943<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilitiesNoncurrent', window );">Liabilities from risk management activities (Note 7)</a></td>
<td class="nump">6,928<span></span>
</td>
<td class="nump">11,062<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityNoncurrent', window );">Customer advances</a></td>
<td class="nump">220,999<span></span>
</td>
<td class="nump">221,032<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MineReclamationAndClosingLiabilityNoncurrent', window );">Coal mine reclamation</a></td>
<td class="nump">171,227<span></span>
</td>
<td class="nump">170,097<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDeferredInvestmentTaxCredit', window );">Deferred investment tax credit</a></td>
<td class="nump">190,842<span></span>
</td>
<td class="nump">191,372<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Unrecognized tax benefits</a></td>
<td class="nump">39,863<span></span>
</td>
<td class="nump">39,410<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityNoncurrent', window );">Operating lease liabilities</a></td>
<td class="nump">358,840<span></span>
</td>
<td class="nump">359,653<span></span>
</td>
</tr>
<tr class="ro">
<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</a></td>
<td class="nump">176,324<span></span>
</td>
<td class="nump">160,036<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_DeferredCreditsAndOtherLiabilities', window );">Total deferred credits and other</a></td>
<td class="nump">6,584,078<span></span>
</td>
<td class="nump">6,584,944<span></span>
</td>
</tr>
<tr class="ro">
<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 AND CONTINGENCIES (NOTE 8)</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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract', window );"><strong>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_CommonStockValueOutstanding', window );">Common stock</a></td>
<td class="nump">178,162<span></span>
</td>
<td class="nump">178,162<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapitalCommonStock', window );">Additional paid-in capital</a></td>
<td class="nump">2,871,696<span></span>
</td>
<td class="nump">2,871,696<span></span>
</td>
</tr>
<tr class="ro">
<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">3,252,244<span></span>
</td>
<td class="nump">3,216,955<span></span>
</td>
</tr>
<tr class="re">
<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 loss</a></td>
<td class="num">(39,991)<span></span>
</td>
<td class="num">(40,918)<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_StockholdersEquity', window );">Total shareholders&#8217; equity</a></td>
<td class="nump">6,262,111<span></span>
</td>
<td class="nump">6,225,895<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterest', window );">Noncontrolling interests (Note 6)</a></td>
<td class="nump">124,164<span></span>
</td>
<td class="nump">119,290<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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Total equity</a></td>
<td class="nump">6,386,275<span></span>
</td>
<td class="nump">6,345,185<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback', window );">Total capitalization</a></td>
<td class="nump">12,204,795<span></span>
</td>
<td class="nump">12,163,130<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 EQUITY</a></td>
<td class="nump">$ 20,098,687<span></span>
</td>
<td class="nump">$ 19,924,251<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_CoalReclamationandUnionTrust">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Coal Reclamation and Union Trust</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;">pnw_CoalReclamationandUnionTrust</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_CommonStockValueCommonAndTreasury">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Value, Common And Treasury</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;">pnw_CommonStockValueCommonAndTreasury</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_ConstructionWorkInProgressGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Construction Work in Progress, Gross</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;">pnw_ConstructionWorkInProgressGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 deferred fuel and purchased power of regulated entities.</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;">pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 sum of total shareholder equity and long-term debt, excluding current maturities of long-term debt and leaseback.</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;">pnw_EquityAndLongTermDebtLessCurrentMaturitiesAndLeaseback</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_InvestmentsAndOtherAssetsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_InvestmentsAndOtherAssetsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Sale Leaseback, Net</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;">pnw_PublicUtilitiesPropertyPlantAndEquipmentSaleLeasebackNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_TotalDeferredDebits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 regulatory assets and other deferred debits that are expected to be recovered through revenue sources (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>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;">pnw_TotalDeferredDebits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_TotalInvestmentsAndOtherAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investments and other assets that are expected to be realized in cash, sold, or consumed at a future date that exceeds one year from the balance sheet date. 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>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;">pnw_TotalInvestmentsAndOtherAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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_AccountsReceivableGrossCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=121593590&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 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&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_AccountsReceivableGrossCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AccumulatedDeferredInvestmentTaxCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life.</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 255<br> -SubTopic 10<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121605250&amp;loc=d3e2408-110839<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 210.5-02.26(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<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 45<br> -Paragraph 27<br> -URI http://asc.fasb.org/extlink&amp;oid=120406818&amp;loc=d3e32262-109318<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_AccumulatedDeferredInvestmentTaxCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=121641772&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=121641772&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=121370832&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=121370832&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=121641772&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_AdditionalPaidInCapitalCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.</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)(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_AdditionalPaidInCapitalCommonStock</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>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_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=121611835&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=121599878&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_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_AssetRetirementObligationCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Current portion of 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_AssetRetirementObligationCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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/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 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=75031198&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 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 5: 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 http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<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 32<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<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 22<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 8: 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)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 9: 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 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 30<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&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=121566466&amp;loc=d3e6801-107765<br><br>Reference 2: 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=75031198&amp;loc=d3e14064-108612<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 45<br> -Paragraph 25<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 4: 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 5: 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=121559654&amp;loc=d3e5710-111685<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 210.5-02.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: 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 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 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6676-107765<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_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_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=121586364&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=121566466&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_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://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_CommonStockValueOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury 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 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_CommonStockValueOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ContractWithCustomerAssetNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, 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 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121556615&amp;loc=SL49130531-203044<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 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121556615&amp;loc=SL49130533-203044<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 8<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121604090&amp;loc=SL49130549-203045<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>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerAssetNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ContractWithCustomerLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 obligation to transfer good or service to customer for which consideration has been received or is 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 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121556615&amp;loc=SL49130531-203044<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 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121556615&amp;loc=SL49130532-203044<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 8<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121604090&amp;loc=SL49130549-203045<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>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ContractWithCustomerLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 obligation to transfer good or service to customer for which consideration has been received or is receivable, 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 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121556615&amp;loc=SL49130532-203044<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 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121556615&amp;loc=SL49130531-203044<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 8<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121604090&amp;loc=SL49130549-203045<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>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DecommissioningTrustAssetsAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 fair value of investments held in a trust fund to pay for the costs of decontaminating and decommissioning facilities, whether such amount is presented as a separate caption or as a parenthetical disclosure on the balance sheet. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to 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 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<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_DecommissioningTrustAssetsAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DeferredCostsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DeferredCostsAbstract</td>
</tr>
<tr>
<td style="padding-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_DeferredCreditsAndOtherLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income in future periods and obligations not separately disclosed in the balance sheet (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_DeferredCreditsAndOtherLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DeferredCreditsAndOtherLiabilitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DeferredCreditsAndOtherLiabilitiesAbstract</td>
</tr>
<tr>
<td style="padding-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_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=120406818&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=120406818&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_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.</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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=118255775&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=118257860&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 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109237824&amp;loc=d3e1703-114919<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(17))<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 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<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 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109237824&amp;loc=d3e1731-114919<br><br>Reference 7: 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DerivativeInstrumentsAndHedges">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 the asset arising from derivative instruments and hedging activities, which are expected to be converted into cash or otherwise disposed of within a 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 210.5-02.8)<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_DerivativeInstrumentsAndHedges</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DerivativeInstrumentsAndHedgesLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 as of the balance sheet date of the (a) fair values of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and (b) the carrying amounts of the liabilities arising from financial instruments or contracts used to mitigate a specified risk (hedge), and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of 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 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_DerivativeInstrumentsAndHedgesLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DerivativeLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 after one year or the 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://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 (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_DerivativeLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DividendsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 dividends declared but unpaid on equity securities issued by the entity and outstanding. 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><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=121566466&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_DividendsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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_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_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=121566466&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=121566466&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>
<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_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://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 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)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: 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 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(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: 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=75031198&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>
</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_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/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=121559654&amp;loc=d3e5710-111685<br><br>Reference 2: 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=75031198&amp;loc=d3e14064-108612<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 45<br> -Paragraph 25<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<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(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<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 210.5-02.21)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: 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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 7: 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<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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</tr>
</table></div>
</div></td></tr>
</table>
<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_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>
<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_MineReclamationAndClosingLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas.</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 S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 5.Y.Q2)<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_MineReclamationAndClosingLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_MinorityInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, 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>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(a)(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: 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=75031198&amp;loc=d3e14064-108612<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 210.5-02.31)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: 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 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(22))<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 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_NuclearFuelNetOfAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 as of the balance sheet of nuclear fuel held as property plant and equipment. This amount is net of amortization based on the energy produced over the life of the fuel.</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 210.5-02.13(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_NuclearFuelNetOfAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_OperatingLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, 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 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121603541&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_OperatingLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, 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 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121603541&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_OperatingLeaseRightOfUseAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 lessee's right to use underlying asset under 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 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121603541&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseRightOfUseAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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_OtherDeferredCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amount of other deferred costs capitalized at the end of the reporting period. Does not include deferred finance costs or deferred acquisition costs of insurance companies.</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_OtherDeferredCostsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_OtherInventorySupplies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be 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 S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a)(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_OtherInventorySupplies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_OtherLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6904-107765<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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&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 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_OtherLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=109237824&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=109237824&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=118255775&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=118257860&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://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_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_PropertyPlantAndEquipmentNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_PropertyPlantAndEquipmentNetAbstract</td>
</tr>
<tr>
<td style="padding-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_PublicUtilitiesPropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 total net PPE.</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_PublicUtilitiesPropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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/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 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 4: 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=121370832&amp;loc=SL117420844-207641<br><br>Reference 5: 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 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)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=121370832&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://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://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 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(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://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=27010918&amp;loc=d3e74512-122707<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(31))<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><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(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: 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=75031198&amp;loc=d3e14064-108612<br><br>Reference 7: 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=115929471&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 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 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: 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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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
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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">
<tr>
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<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 statutory income, sales, use, payroll, excise, real, property and other 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 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">
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<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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508266760">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares<br></strong></div></th>
<th class="th"><div>Mar. 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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract', window );"><strong>EQUITY</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="ro">
<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, authorized shares (in shares)</a></td>
<td class="nump">150,000,000<span></span>
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<td class="nump">150,000,000<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_CommonStockSharesIssued', window );">Common stock, issued shares (in shares)</a></td>
<td class="nump">112,791,565<span></span>
</td>
<td class="nump">112,760,051<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_TreasuryStockShares', window );">Treasury stock at cost, shares (in shares)</a></td>
<td class="nump">44,338<span></span>
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<td class="nump">72,006<span></span>
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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 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">
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<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>
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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>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>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>21
<FILENAME>R7.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660516162952">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>CASH FLOWS FROM OPERATING ACTIVITIES</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_ProfitLoss', window );">Net Income</a></td>
<td class="nump">$ 40,514<span></span>
</td>
<td class="nump">$ 34,866<span></span>
</td>
</tr>
<tr class="re">
<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 operating activities:</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_DepreciationDepletionAndAmortization', window );">Depreciation and amortization including nuclear fuel</a></td>
<td class="nump">176,409<span></span>
</td>
<td class="nump">173,168<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Deferred fuel and purchased power</a></td>
<td class="num">(52,210)<span></span>
</td>
<td class="num">(5,785)<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_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization', window );">Deferred fuel and purchased power amortization</a></td>
<td class="num">(564)<span></span>
</td>
<td class="num">(1,808)<span></span>
</td>
</tr>
<tr class="re">
<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 );">Allowance for equity funds used during construction</a></td>
<td class="num">(9,207)<span></span>
</td>
<td class="num">(7,697)<span></span>
</td>
</tr>
<tr class="ro">
<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="num">(11,077)<span></span>
</td>
<td class="num">(18,086)<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_pnw_DeferredInvestmentTaxCredit', window );">Deferred investment tax credit</a></td>
<td class="num">(529)<span></span>
</td>
<td class="num">(465)<span></span>
</td>
</tr>
<tr class="ro">
<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">11,337<span></span>
</td>
<td class="nump">6,282<span></span>
</td>
</tr>
<tr class="re">
<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>Changes in current assets and 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_IncreaseDecreaseInAccountsAndNotesReceivable', window );">Customer and other receivables</a></td>
<td class="nump">50,545<span></span>
</td>
<td class="nump">25,575<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInContractWithCustomerAsset', window );">Accrued unbilled revenues</a></td>
<td class="nump">10,163<span></span>
</td>
<td class="nump">34,731<span></span>
</td>
</tr>
<tr class="ro">
<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 fossil fuel</a></td>
<td class="num">(4,801)<span></span>
</td>
<td class="nump">5,445<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable', window );">Income tax receivable</a></td>
<td class="nump">6,792<span></span>
</td>
<td class="nump">1,128<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherCurrentAssets', window );">Other current assets</a></td>
<td class="num">(9,042)<span></span>
</td>
<td class="num">(20,202)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayable', window );">Accounts payable</a></td>
<td class="nump">24,465<span></span>
</td>
<td class="num">(5,192)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccruedTaxesPayable', window );">Accrued taxes</a></td>
<td class="nump">53,985<span></span>
</td>
<td class="nump">49,833<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities', window );">Other current liabilities</a></td>
<td class="num">(46,028)<span></span>
</td>
<td class="num">(63,096)<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_pnw_IncreaseDecreaseInOtherNonCurrentAssets', window );">Change in other long-term assets</a></td>
<td class="num">(36,777)<span></span>
</td>
<td class="nump">81,143<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_IncreaseDecreaseInOtherOperatingLiabilities', window );">Change in other long-term liabilities</a></td>
<td class="num">(1,963)<span></span>
</td>
<td class="num">(106,212)<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_NetCashProvidedByUsedInOperatingActivities', window );">Net cash flow provided by operating activities</a></td>
<td class="nump">202,012<span></span>
</td>
<td class="nump">183,628<span></span>
</td>
</tr>
<tr class="re">
<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>CASH FLOWS FROM INVESTING ACTIVITIES</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_PaymentsToAcquireProductiveAssets', window );">Capital expenditures</a></td>
<td class="num">(363,775)<span></span>
</td>
<td class="num">(340,014)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromContributionInAidOfConstruction', window );">Contributions in aid of construction</a></td>
<td class="nump">15,296<span></span>
</td>
<td class="nump">3,152<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForFundsUsedDuringConstructionInvestingActivities', window );">Allowance for borrowed funds used during construction</a></td>
<td class="num">(4,994)<span></span>
</td>
<td class="num">(4,076)<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_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds', window );">Proceeds from nuclear decommissioning trust sales and other special use funds</a></td>
<td class="nump">379,978<span></span>
</td>
<td class="nump">195,087<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_pnw_PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds', window );">Investment in nuclear decommissioning trust and other special use funds</a></td>
<td class="num">(380,548)<span></span>
</td>
<td class="num">(195,658)<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_PaymentsForProceedsFromOtherInvestingActivities', window );">Other</a></td>
<td class="nump">5,974<span></span>
</td>
<td class="nump">349<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_NetCashProvidedByUsedInInvestingActivities', window );">Net cash flow used for investing activities</a></td>
<td class="num">(348,069)<span></span>
</td>
<td class="num">(341,160)<span></span>
</td>
</tr>
<tr class="re">
<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>CASH FLOWS FROM FINANCING ACTIVITIES</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_ProceedsFromIssuanceOfLongTermDebt', window );">Issuance of long-term debt</a></td>
<td class="nump">150,000<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_pnw_ProceedsfromRepaymentsofShorttermDebtNet', window );">Short-term borrowing and (repayments) &#8212; net</a></td>
<td class="nump">49,750<span></span>
</td>
<td class="num">(76,675)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromLinesOfCredit', window );">Short-term debt borrowings under revolving credit facility</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">751,690<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLinesOfCredit', window );">Short-term debt repayments under revolving credit facility</a></td>
<td class="num">(4,000)<span></span>
</td>
<td class="num">(226,690)<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Repayment of long-term debt</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(150,000)<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_PaymentsOfDividendsCommonStock', window );">Dividends paid on common stock</a></td>
<td class="num">(91,721)<span></span>
</td>
<td class="num">(86,257)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromRepurchaseOfEquity', window );">Common stock equity issuance &#8212; net of purchases</a></td>
<td class="num">(738)<span></span>
</td>
<td class="num">(1,680)<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_NetCashProvidedByUsedInFinancingActivities', window );">Net cash flow provided by financing activities</a></td>
<td class="nump">103,291<span></span>
</td>
<td class="nump">210,388<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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect', window );">NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS</a></td>
<td class="num">(42,766)<span></span>
</td>
<td class="nump">52,856<span></span>
</td>
</tr>
<tr class="re">
<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 AND CASH EQUIVALENTS AT BEGINNING OF PERIOD</a></td>
<td class="nump">59,968<span></span>
</td>
<td class="nump">10,283<span></span>
</td>
</tr>
<tr class="ro">
<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 AND CASH EQUIVALENTS AT END OF PERIOD</a></td>
<td class="nump">17,202<span></span>
</td>
<td class="nump">63,139<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>CASH FLOWS FROM OPERATING ACTIVITIES</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_ProfitLoss', window );">Net Income</a></td>
<td class="nump">40,160<span></span>
</td>
<td class="nump">40,218<span></span>
</td>
</tr>
<tr class="ro">
<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 operating activities:</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_DepreciationDepletionAndAmortization', window );">Depreciation and amortization including nuclear fuel</a></td>
<td class="nump">176,389<span></span>
</td>
<td class="nump">173,147<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Deferred fuel and purchased power</a></td>
<td class="num">(52,210)<span></span>
</td>
<td class="num">(5,785)<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_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization', window );">Deferred fuel and purchased power amortization</a></td>
<td class="num">(564)<span></span>
</td>
<td class="num">(1,808)<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Allowance for equity funds used during construction</a></td>
<td class="num">(9,207)<span></span>
</td>
<td class="num">(7,697)<span></span>
</td>
</tr>
<tr class="re">
<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="num">(2,616)<span></span>
</td>
<td class="num">(17,782)<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_pnw_DeferredInvestmentTaxCredit', window );">Deferred investment tax credit</a></td>
<td class="num">(529)<span></span>
</td>
<td class="num">(465)<span></span>
</td>
</tr>
<tr class="re">
<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>Changes in current assets and 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_IncreaseDecreaseInAccountsAndNotesReceivable', window );">Customer and other receivables</a></td>
<td class="nump">50,103<span></span>
</td>
<td class="nump">15,045<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInContractWithCustomerAsset', window );">Accrued unbilled revenues</a></td>
<td class="nump">10,163<span></span>
</td>
<td class="nump">34,731<span></span>
</td>
</tr>
<tr class="ro">
<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 fossil fuel</a></td>
<td class="num">(4,801)<span></span>
</td>
<td class="nump">5,445<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInIncomeTaxesReceivable', window );">Income tax receivable</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(1,411)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherCurrentAssets', window );">Other current assets</a></td>
<td class="num">(8,825)<span></span>
</td>
<td class="num">(18,164)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayable', window );">Accounts payable</a></td>
<td class="nump">23,881<span></span>
</td>
<td class="num">(4,038)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccruedTaxesPayable', window );">Accrued taxes</a></td>
<td class="nump">62,204<span></span>
</td>
<td class="nump">54,243<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherAccruedLiabilities', window );">Other current liabilities</a></td>
<td class="num">(43,917)<span></span>
</td>
<td class="num">(49,149)<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_pnw_IncreaseDecreaseInOtherNonCurrentAssets', window );">Change in other long-term assets</a></td>
<td class="num">(36,626)<span></span>
</td>
<td class="nump">82,178<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities', window );">Change in other long-term liabilities</a></td>
<td class="num">(642)<span></span>
</td>
<td class="num">(105,117)<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_NetCashProvidedByUsedInOperatingActivities', window );">Net cash flow provided by operating activities</a></td>
<td class="nump">202,963<span></span>
</td>
<td class="nump">193,591<span></span>
</td>
</tr>
<tr class="re">
<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>CASH FLOWS FROM INVESTING ACTIVITIES</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_PaymentsToAcquireProductiveAssets', window );">Capital expenditures</a></td>
<td class="num">(363,775)<span></span>
</td>
<td class="num">(340,014)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromContributionInAidOfConstruction', window );">Contributions in aid of construction</a></td>
<td class="nump">15,296<span></span>
</td>
<td class="nump">3,152<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForFundsUsedDuringConstructionInvestingActivities', window );">Allowance for borrowed funds used during construction</a></td>
<td class="num">(4,994)<span></span>
</td>
<td class="num">(4,076)<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_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds', window );">Proceeds from nuclear decommissioning trust sales and other special use funds</a></td>
<td class="nump">379,978<span></span>
</td>
<td class="nump">195,087<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_pnw_PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds', window );">Investment in nuclear decommissioning trust and other special use funds</a></td>
<td class="num">(380,548)<span></span>
</td>
<td class="num">(195,658)<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_PaymentsForProceedsFromOtherInvestingActivities', window );">Other</a></td>
<td class="nump">2,306<span></span>
</td>
<td class="num">(900)<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_NetCashProvidedByUsedInInvestingActivities', window );">Net cash flow used for investing activities</a></td>
<td class="num">(351,737)<span></span>
</td>
<td class="num">(342,409)<span></span>
</td>
</tr>
<tr class="re">
<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>CASH FLOWS FROM FINANCING ACTIVITIES</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_pnw_ProceedsfromRepaymentsofShorttermDebtNet', window );">Short-term borrowing and (repayments) &#8212; net</a></td>
<td class="nump">199,500<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_ProceedsFromLinesOfCredit', window );">Short-term debt borrowings under revolving credit facility</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">540,000<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_RepaymentsOfLinesOfCredit', window );">Short-term debt repayments under revolving credit facility</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(110,000)<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 );">Repayment of long-term debt</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(150,000)<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_PaymentsOfDividendsCommonStock', window );">Dividends paid on common stock</a></td>
<td class="num">(93,500)<span></span>
</td>
<td class="num">(88,000)<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_NetCashProvidedByUsedInFinancingActivities', window );">Net cash flow provided by financing activities</a></td>
<td class="nump">106,000<span></span>
</td>
<td class="nump">192,000<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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect', window );">NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS</a></td>
<td class="num">(42,774)<span></span>
</td>
<td class="nump">43,182<span></span>
</td>
</tr>
<tr class="re">
<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 AND CASH EQUIVALENTS AT BEGINNING OF PERIOD</a></td>
<td class="nump">57,310<span></span>
</td>
<td class="nump">10,169<span></span>
</td>
</tr>
<tr class="ro">
<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 AND CASH EQUIVALENTS AT END OF PERIOD</a></td>
<td class="nump">$ 14,536<span></span>
</td>
<td class="nump">$ 53,351<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_DeferredInvestmentTaxCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred Investment Tax Credit</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;">pnw_DeferredInvestmentTaxCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amortization of deferred fuel and purchased power 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;">pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_IncreaseDecreaseInOtherNonCurrentAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase (Decrease) In Other Non-Current 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;">pnw_IncreaseDecreaseInOtherNonCurrentAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Payments to Acquire Investments to be Held in Decommissioning Trust Fund And Other Special Use Funds</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;">pnw_PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Proceeds from Decommissioning Trust Fund Assets And Other Special Use Funds</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;">pnw_ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_ProceedsfromRepaymentsofShorttermDebtNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Proceeds from (Repayments of) Short-term Debt, Net</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;">pnw_ProceedsfromRepaymentsofShorttermDebtNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_AllowanceForFundsUsedDuringConstructionInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 inflow due to change during the period in the allowance for other funds used during construction classified as an investing activity.</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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3179-108585<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 360<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500269&amp;loc=d3e45485-110386<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForFundsUsedDuringConstructionInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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>
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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_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=121586364&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=121586364&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=121583591&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>
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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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including 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=98513438&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=121586364&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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=116825942&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=116825942&amp;loc=d3e330036-122817<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<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 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=116825942&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=121586364&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=84230637&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=120311839&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=121586364&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_IncreaseDecreaseInAccountsAndNotesReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of the sum of amounts due within one year (or one business cycle) from customers for the credit sale of goods and services; and from note holders for outstanding loans.</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=121586364&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_IncreaseDecreaseInAccountsAndNotesReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_IncreaseDecreaseInAccountsPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amount 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.</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=121586364&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_IncreaseDecreaseInAccountsPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_IncreaseDecreaseInAccruedTaxesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of all taxes owed but not paid, including income, property and other 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 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&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_IncreaseDecreaseInAccruedTaxesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_IncreaseDecreaseInContractWithCustomerAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.</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=121586364&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_IncreaseDecreaseInContractWithCustomerAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_IncreaseDecreaseInIncomeTaxesReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes 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=121586364&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_IncreaseDecreaseInIncomeTaxesReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=121586364&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>
</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_IncreaseDecreaseInOtherAccruedLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=121586364&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_IncreaseDecreaseInOtherAccruedLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_IncreaseDecreaseInOtherCurrentAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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://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=121586364&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_IncreaseDecreaseInOtherCurrentAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_IncreaseDecreaseInOtherOperatingLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=121586364&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_IncreaseDecreaseInOtherOperatingLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_IncreaseDecreaseInRegulatoryClauseRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 unrecovered fuel costs for a regulated utility company.</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=121586364&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_IncreaseDecreaseInRegulatoryClauseRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=121586364&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=121586364&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=121586364&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=121586364&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=121586364&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_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 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 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 13<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3213-108585<br><br>Reference 3: 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=121586364&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_PaymentsOfDividendsCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 in the form of ordinary dividends to common shareholders of the parent 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 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&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_PaymentsOfDividendsCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_PaymentsToAcquireProductiveAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other 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 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&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_PaymentsToAcquireProductiveAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ProceedsFromContributionInAidOfConstruction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 developers, builders, governmental agencies and municipalities that provide the entity with cash to extend its construction services to their properties.</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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&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_ProceedsFromContributionInAidOfConstruction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=121586364&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_ProceedsFromLinesOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit 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 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3255-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<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.(f))<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_ProceedsFromLinesOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ProceedsFromRepurchaseOfEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 cash inflow or outflow resulting from the entity's share transaction.</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 3<br> -Subparagraph (SX 210.12-04(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e24072-122690<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_ProceedsFromRepurchaseOfEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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=121641772&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 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<br> -URI 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http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591552-111686<br><br>Reference 21: 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=109234566&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_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>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_RepaymentsOfLinesOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit 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 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3291-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<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.(f))<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_RepaymentsOfLinesOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_RepaymentsOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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=121586364&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_RepaymentsOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=121586364&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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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>22
<FILENAME>R8.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513863672">
<tr>
<th class="tl" colspan="2" rowspan="1"><div style="width: 200px;"><strong>CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Total</div></th>
<th class="th"><div>Common Stock</div></th>
<th class="th"><div>Treasury Stock</div></th>
<th class="th"><div>Retained Earnings</div></th>
<th class="th"><div>Accumulated Other Comprehensive Income (Loss)</div></th>
<th class="th"><div>Noncontrolling Interests</div></th>
<th class="th"><div>APS</div></th>
<th class="th">
<div>APS </div>
<div>Common Stock</div>
</th>
<th class="th">
<div>APS </div>
<div>Additional Paid-In Capital</div>
</th>
<th class="th">
<div>APS </div>
<div>Retained Earnings</div>
</th>
<th class="th">
<div>APS </div>
<div>Accumulated Other Comprehensive Income (Loss)</div>
</th>
<th class="th">
<div>APS </div>
<div>Noncontrolling Interests</div>
</th>
</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_CommonStockSharesIssued', window );">Beginning balance (in shares) at Dec. 31, 2019</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">112,540,126<span></span>
</td>
<td class="nump">103,546<span></span>
</td>
<td class="text">&#160;<span></span>
</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">71,264,947<span></span>
</td>
<td class="text">&#160;<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 );">Balance at beginning of period at Dec. 31, 2019</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 5,553,188<span></span>
</td>
<td class="nump">$ 2,659,561<span></span>
</td>
<td class="num">$ (9,427)<span></span>
</td>
<td class="nump">$ 2,837,610<span></span>
</td>
<td class="num">$ (57,096)<span></span>
</td>
<td class="nump">$ 122,540<span></span>
</td>
<td class="nump">$ 5,998,803<span></span>
</td>
<td class="nump">$ 178,162<span></span>
</td>
<td class="nump">$ 2,721,696<span></span>
</td>
<td class="nump">$ 3,011,927<span></span>
</td>
<td class="num">$ (35,522)<span></span>
</td>
<td class="nump">$ 122,540<span></span>
</td>
</tr>
<tr class="re">
<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 Shareholders' Equity</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_ProfitLoss', window );">Net Income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">34,866<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">29,993<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,873<span></span>
</td>
<td class="nump">40,218<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">35,345<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,873<span></span>
</td>
</tr>
<tr class="re">
<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)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,517<span></span>
</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">1,517<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,325<span></span>
</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">1,325<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_pnw_DividendsCommonStockNet', window );">Dividends on common stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">23,484<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,826<span></span>
</td>
<td class="nump">$ 4,826<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_TreasuryStockSharesAcquired', window );">Purchase of treasury stock (in shares)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(20,724)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_TreasuryStockValueAcquiredCostMethod', window );">Purchase of treasury stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">(2,086)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (2,086)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_StockIssuedDuringPeriodSharesTreasuryStockReissued', window );">Reissuance of treasury stock for stock-based compensation and other (in shares)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">51,968<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_StockIssuedDuringPeriodValueTreasuryStockReissued', window );">Reissuance of treasury stock for stock-based compensation and other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,513<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,513<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="num">(2)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1<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_CommonStockSharesIssued', window );">Ending balance (in shares) at Mar. 31, 2020</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">112,563,610<span></span>
</td>
<td class="nump">72,302<span></span>
</td>
<td class="text">&#160;<span></span>
</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">71,264,947<span></span>
</td>
<td class="text">&#160;<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 );">Balance at end of period at Mar. 31, 2020</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 5,596,832<span></span>
</td>
<td class="nump">$ 2,664,387<span></span>
</td>
<td class="num">$ (7,000)<span></span>
</td>
<td class="nump">2,867,610<span></span>
</td>
<td class="num">(55,579)<span></span>
</td>
<td class="nump">127,414<span></span>
</td>
<td class="nump">6,040,344<span></span>
</td>
<td class="nump">$ 178,162<span></span>
</td>
<td class="nump">2,721,696<span></span>
</td>
<td class="nump">3,047,269<span></span>
</td>
<td class="num">(34,197)<span></span>
</td>
<td class="nump">127,414<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_CommonStockSharesIssued', window );">Beginning balance (in shares) at Dec. 31, 2020</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">112,760,051<span></span>
</td>
<td class="nump">112,760,051<span></span>
</td>
<td class="nump">72,006<span></span>
</td>
<td class="text">&#160;<span></span>
</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">71,264,947<span></span>
</td>
<td class="text">&#160;<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 );">Balance at beginning of period at Dec. 31, 2020</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 5,752,793<span></span>
</td>
<td class="nump">$ 2,677,482<span></span>
</td>
<td class="num">$ (6,289)<span></span>
</td>
<td class="nump">3,025,106<span></span>
</td>
<td class="num">(62,796)<span></span>
</td>
<td class="nump">119,290<span></span>
</td>
<td class="nump">6,345,185<span></span>
</td>
<td class="nump">$ 178,162<span></span>
</td>
<td class="nump">2,871,696<span></span>
</td>
<td class="nump">3,216,955<span></span>
</td>
<td class="num">(40,918)<span></span>
</td>
<td class="nump">119,290<span></span>
</td>
</tr>
<tr class="ro">
<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 Shareholders' Equity</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">40,514<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">35,641<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,873<span></span>
</td>
<td class="nump">40,160<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">35,287<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,873<span></span>
</td>
</tr>
<tr class="ro">
<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)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,284<span></span>
</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">1,284<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">927<span></span>
</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">927<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_pnw_DividendsCommonStockNet', window );">Dividends on common stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">31,514<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">9,570<span></span>
</td>
<td class="nump">$ 9,570<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_TreasuryStockSharesAcquired', window );">Purchase of treasury stock (in shares)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(17,437)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_TreasuryStockValueAcquiredCostMethod', window );">Purchase of treasury stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">(1,333)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (1,333)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_StockIssuedDuringPeriodSharesTreasuryStockReissued', window );">Reissuance of treasury stock for stock-based compensation and other (in shares)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">45,105<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_StockIssuedDuringPeriodValueTreasuryStockReissued', window );">Reissuance of treasury stock for stock-based compensation and other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">3,846<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,846<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 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="nump">1<span></span>
</td>
<td class="nump">3<span></span>
</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="nump">1<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_CommonStockSharesIssued', window );">Ending balance (in shares) at Mar. 31, 2021</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">112,791,565<span></span>
</td>
<td class="nump">112,791,565<span></span>
</td>
<td class="nump">44,338<span></span>
</td>
<td class="text">&#160;<span></span>
</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">71,264,947<span></span>
</td>
<td class="text">&#160;<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 );">Balance at end of period at Mar. 31, 2021</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 5,806,680<span></span>
</td>
<td class="nump">$ 2,687,052<span></span>
</td>
<td class="num">$ (3,776)<span></span>
</td>
<td class="nump">$ 3,060,752<span></span>
</td>
<td class="num">$ (61,512)<span></span>
</td>
<td class="nump">$ 124,164<span></span>
</td>
<td class="nump">$ 6,386,275<span></span>
</td>
<td class="nump">$ 178,162<span></span>
</td>
<td class="nump">$ 2,871,696<span></span>
</td>
<td class="nump">$ 3,252,244<span></span>
</td>
<td class="num">$ (39,991)<span></span>
</td>
<td class="nump">$ 124,164<span></span>
</td>
</tr>
<tr><td colspan="13"></td></tr>
<tr><td colspan="13"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Primarily represents shares of common stock withheld from certain stock awards for tax purposes.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_DividendsCommonStockNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Dividends, Common Stock, Net</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;">pnw_DividendsCommonStockNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_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>
</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_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=121641772&amp;loc=SL7669619-108580<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=109259400&amp;loc=d3e21463-112644<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 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<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 (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=121640130&amp;loc=d3e1436-108581<br><br>Reference 6: 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 7: 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 8: 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=121641772&amp;loc=SL7669625-108580<br><br>Reference 9: 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 10: 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=121641772&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 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<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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<tr>
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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>Number of new stock issued during the period.</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>
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</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><strong> Period Type:</strong></td>
<td>duration</td>
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</div></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>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=109259400&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>
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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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<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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<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>
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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_StockIssuedDuringPeriodValueNewIssues</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>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.</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_StockIssuedDuringPeriodValueTreasuryStockReissued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<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 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 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 );">- 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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508239816">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidation and Nature of Operations<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock', window );">Consolidation and Nature of Operations</a></td>
<td class="text">Consolidation and Nature of Operations <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The unaudited condensed consolidated financial statements include the accounts of Pinnacle West and our subsidiaries:&#160; APS, 4C Acquisition, LLC (&#8220;4CA&#8221;), Bright Canyon Energy Corporation (&#8220;BCE&#8221;) and El Dorado Investment Company (&#8220;El Dorado&#8221;).&#160; See Note 8 for more information on 4CA matters.  Intercompany accounts and transactions between the consolidated companies have been eliminated.&#160; The unaudited condensed consolidated financial statements for APS include the accounts of APS and the Palo Verde Generating Station (&#8220;Palo Verde&#8221;) sale leaseback variable interest entities (&#8220;VIEs&#8221;) (see Note 6 for further discussion).&#160; Our accounting records are maintained in accordance with accounting principles generally accepted in the United States of America (&#8220;GAAP&#8221;).&#160; The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during the reporting period.&#160; Actual results could differ from those estimates.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Amounts reported in our interim Condensed Consolidated Statements of Income are not necessarily indicative of amounts expected for the respective annual periods, due to the effects of seasonal temperature variations on energy consumption, timing of maintenance on electric generating units (&#8220;EGU&#8221;), and other factors.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments except as otherwise disclosed in the notes) that we believe are necessary for the fair presentation of our financial position, results of operations, and cash flows for the periods presented. Certain information and footnote disclosures normally included in financial statements prepared in conformity with GAAP have been condensed or omitted pursuant to such regulations, although we believe that the disclosures provided are adequate to make the interim information presented not misleading.  The accompanying condensed consolidated financial statements and these notes should be read in conjunction with the audited consolidated financial statements and notes included in our 2020 Form 10-K.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 30, 2020, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">the United States Federal Energy Regulatory Commission (&#8220;FERC&#8221;) </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">issued an order granting a waiver request related to the existing Allowance for Funds Used During Construction (&#8220;AFUDC&#8221;) rate calculation beginning March 1, 2020 through February 28, 2021.&#160; On February 23, 2021, this waiver was extended until September 30, 2021.  The order provides a simplified approach that companies may elect to implement in order to minimize the significant distorted effect on the AFUDC formula resulting from increased short-term debt financing during the COVID-19 pandemic.&#160; APS has adopted this simplified approach to computing the AFUDC composite rate&#160;by using a simple average of the actual historical short-term debt balances for 2019, instead of current period short-term debt balances, and has left all other aspects of the AFUDC formula composite rate calculation unchanged. This change impacts the AFUDC composite rate in both 2020 and 2021 but does not impact prior years. &#160;Furthermore, the change in the composite rate calculation does not impact our accounting treatment for these costs.  The change will not have a material impact on our financial statements.  See Note 1 in our 2020 Form 10-K for information on the accounting treatment for AFUDC.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Supplemental Cash Flow Information</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table summarizes supplemental Pinnacle West cash flow information (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:73.144%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.417%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.420%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Cash paid during the period for:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Income taxes, net of refunds</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(827)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,002)</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Interest, net of amounts capitalized</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53,885&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53,723&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Significant non-cash investing and financing activities:</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Accrued capital expenditures</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">79,597&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">100,868&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">785&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,311&#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="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="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><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table summarizes supplemental APS cash flow information (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:73.037%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.400%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.518%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.545%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Cash paid during the period for:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Income taxes, net of refunds</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Interest, net of amounts capitalized</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53,153&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">52,034&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Significant non-cash investing and financing activities:</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Accrued capital expenditures</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">79,597&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">100,868&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">785&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,311&#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="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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508219912">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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>
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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_RevenueFromContractWithCustomerTextBlock', window );">Revenue</a></td>
<td class="text">Revenue <div style="margin-bottom:6pt;margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Sources of Revenue</span></div><div style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides detail of Pinnacle West&#8217;s consolidated revenue disaggregated by revenue sources (dollars in thousands):</span></div><div style="margin-bottom:11pt;margin-top:11pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:69.952%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.554%"/><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%"/><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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td><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="padding:0 1pt"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Retail Electric Revenue</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><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 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Residential</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">340,838&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">325,073&#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"/><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:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Non-Residential</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">314,783&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">303,351&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Wholesale Energy Sales</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">17,597&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">14,668&#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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Transmission Services for Others</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">18,993&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">15,927&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other Sources</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,264&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,911&#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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Total operating revenues</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">696,475&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">661,930&#160;</span></td><td style="background-color:#cceeff;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"/><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 style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Retail Electric Revenue. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West&#8217;s retail electric revenue is generated by wholly-owned regulated subsidiary APS&#8217;s sale of electricity to our regulated customers within the authorized service territory at tariff rates approved by the ACC and based on customer usage. Revenues related to the sale of electricity are generally recognized when service is rendered or electricity is delivered to customers.  The billing of electricity sales to individual customers is based on the reading of their meters.  We obtain customers&#8217; meter data on a systematic basis throughout the month, and generally bill customers within a month from when service was provided. Customers are generally required to pay for services within 15 days of when the services are billed. See &#8220;Allowance for Doubtful Accounts&#8221; discussion below for additional details regarding payment terms.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Wholesale Energy Sales and Transmission Services for Others. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Revenues from wholesale energy sales and transmission services for others represent energy and transmission sales to wholesale customers. These activities primarily consist of managing fuel and purchased power risks in connection with the cost of serving our retail customers&#8217; energy requirements. We may also sell into the wholesale markets generation that is not needed for APS&#8217;s retail load. Our wholesale activities and tariff rates are regulated by FERC.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In the electricity business, some contracts to purchase energy are settled by netting against other contracts to sell electricity. This is referred to as a book-out, and usually occurs in contracts that have the same terms (product type, quantities, and delivery points) and for which power does not flow. We net these book-outs, which reduces both wholesale revenues and fuel and purchased power costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Revenue Activities</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our revenues primarily consist of activities that are classified as revenues from contracts with customers. We derive our revenues from contracts with customers primarily from sales of electricity to our regulated retail customers. Revenues from contracts with customers also include wholesale and transmission activities.  Our revenues from contracts with customers for the three months ended March 31, 2021 and 2020 were $682 million and $648 million, respectively.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have certain revenues that do not meet the specific accounting criteria to be classified as revenues from contracts with customers. For the three months ended March 31, 2021 and 2020, our revenues that do not qualify as revenue from contracts with customers were $14 million and $14 million, respectively. This relates primarily to certain regulatory cost recovery mechanisms that are considered alternative revenue programs. We recognize revenue associated with alternative revenue programs when specific events permitting recognition are completed. Certain amounts associated with alternative revenue programs will subsequently be billed to customers; however, we do not reclassify billed amounts into revenue from contracts with customers.  See Note 4 for a discussion of our regulatory cost recovery mechanisms. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Contract Assets and Liabilities from Contracts with Customers</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">There were no material contract assets, contract liabilities, or deferred contract costs recorded on the Condensed Consolidated Balance Sheets as of March&#160;31, 2021 or December&#160;31, 2020. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Allowance for Doubtful Accounts</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The allowance for doubtful accounts represents our best estimate of accounts receivable and accrued unbilled revenues that will ultimately be uncollectible due to credit loss risk. The allowance includes a write-off component that is calculated by applying an estimated write-off factor to retail electric revenues. The write-off factor used to estimate uncollectible accounts is based upon consideration of historical collections experience, the current and forecasted economic environment, changes to our collection policies, and management&#8217;s best estimate of future collections success. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> On March 13, 2020, due to the COVID-19 pandemic we voluntarily suspended disconnections of customers for nonpayment. The suspension of customer disconnections was extended from March 13, 2020 through December 31, 2020. Our disconnection policies are also impacted by the Summer Disconnection Moratorium.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and certain customers with past due balances were placed on eight-month payment arrangements. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">These circumstances and the on-going COVID-19 pandemic have impacted our allowance for doubtful accounts, including our write-off factor. We continue to monitor the impacts of COVID-19, our disconnection policies, payment arrangements, among other considerations impacting our estimated write-off factor and allowance for doubtful accounts. See Note 4 for additional details.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides a rollforward of Pinnacle West&#8217;s allowance for doubtful accounts (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:53.285%"/><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:20.976%"/><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:20.979%"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">March 31, 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Allowance for doubtful accounts, balance at beginning of period</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">19,782&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">8,171&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Bad debt expense</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,151&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">20,633&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Actual write-offs</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,528)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(9,022)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Allowance for doubtful accounts, balance at end of period</span></td><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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">20,405&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">19,782&#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>
</tr>
</table>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506943464">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Long-Term Debt and Liquidity Matters<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_DebtDisclosureAbstract', window );"><strong>Debt 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_LongTermDebtTextBlock', window );">Long-Term Debt and Liquidity Matters</a></td>
<td class="text">Long-Term Debt and Liquidity Matters<div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West and APS maintain committed revolving credit facilities in order to enhance liquidity and provide credit support for their commercial paper programs, to refinance indebtedness, and for other general corporate purposes.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Pinnacle West</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On May 5, 2020, Pinnacle West refinanced its 364-day $50 million term loan agreement with a new 364-day $31 million term loan agreement that would have matured May 4, 2021.  Borrowings under the agreement bore interest at Eurodollar Rate plus 1.40% per annum.  At March&#160;31, 2021, Pinnacle West had $15 million in outstanding borrowings under the current agreement, all of which was repaid on April 27, 2021.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 23, 2020, Pinnacle West entered into a $150&#160;million term loan facility that matures June 2022.  The proceeds were received on January 4, 2021 and used for general corporate purposes.  We recognized the term loan facility as long-term debt upon settlement on January 4, 2021. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">At March&#160;31, 2021, Pinnacle West had a $200 million revolving credit facility that matures in July 2023. Pinnacle West has the option to increase the amount of the facility up to a maximum of $300 million upon the satisfaction of certain conditions and with the consent of the lenders.&#160;Interest rates are based on Pinnacle West&#8217;s senior unsecured debt credit ratings.  The facility is available to support Pinnacle West&#8217;s $200 million commercial paper program, for bank borrowings or for issuances of letters of credits.  At March&#160;31, 2021, Pinnacle West had no outstanding borrowings under its credit facility, no letters of credit outstanding and $0.3 million of outstanding commercial paper borrowings.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">APS</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">At March&#160;31, 2021, APS had two revolving credit facilities totaling $1 billion, including a $500 million credit facility that matures in June 2022 and a $500 million facility that matures in July 2023. &#160;APS may increase the amount of each facility up to a maximum of $700 million, for a total of $1.4 billion, upon the satisfaction of certain conditions and with the consent of the lenders.&#160; Interest rates are based on APS&#8217;s senior unsecured debt credit ratings.  These facilities are available to support APS&#8217;s $750 million commercial paper program, for bank borrowings or for issuances of letters of credit.&#160; At March&#160;31, 2021, APS had no outstanding borrowings under its revolving credit facilities, no letters of credit outstanding, and $199.5 million of outstanding commercial paper borrowings. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 17, 2020, the ACC issued a financing order in which, subject to specified parameters and procedures, it approved APS&#8217;s short-term debt authorization equal to the sum of (i)&#160;7%&#160;of APS&#8217;s capitalization, and (ii)&#160;$500 million&#160;(which is required to be used for costs relating to purchases of natural gas and power) and a long-term debt authorization of $7.5 billion.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">See &#8220;Financial Assurances&#8221; in Note 8 for a discussion of other outstanding letters of credit.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Debt Fair Value</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our long-term debt fair value estimates are classified within Level 2 of the fair value hierarchy.  The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:45.829%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.619%"/><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:11.619%"/><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:11.619%"/><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:11.624%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">As of March 31, 2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">As of December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Carrying<br/>Amount</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Carrying<br/>Amount</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pinnacle West</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">646,525&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">653,395&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">496,321&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">509,050&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">APS</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">5,818,520&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,436,224&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">5,817,945&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">7,103,791&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,465,045&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">7,089,619&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,314,266&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">7,612,841&#160;</span></td><td style="background-color:#cceeff;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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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508530056">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_RegulatedOperationsAbstract', window );"><strong>Regulated Operations [Abstract]</strong></a></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_pnw_RegulatoryMattersTextBlock', window );">Regulatory Matters</a></td>
<td class="text">Regulatory Matters <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">COVID-19 Pandemic </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Due to the COVID-19 pandemic, APS voluntarily suspended disconnections of customers for nonpayment and waived late payment fees beginning March 13, 2020 until December 31, 2020.   The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and customers were automatically placed on eight-month payment arrangements if they had past due balances at the end of the disconnection period of $75 or greater.  APS will continue to waive late payment fees until October 15, 2021.  APS has experienced and is continuing to experience an increase in bad debt expense associated with the COVID-19 pandemic, the Summer Disconnection Moratorium (defined below) and the related write-offs of customer delinquent accounts.  Due to COVID-19, APS also delayed the reset of the Environmental Improvement Surcharge (&#8220;EIS&#8221;) adjustor and suspended the discontinuation of TEAM Phase II to the first billing cycle in May 2020 rather than April 2020.  In February 2021, APS delayed the annual reset of the PSA. Rather than the increase being effective February 2021, the PSA reset will be implemented with 50% of the increase effective April 2021 and the remaining 50% increase effective November 2021 </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(see below for discussion of EIS, TEAM Phase II and PSA).</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 17, 2020, APS filed an application with the ACC requesting a COVID-19 emergency relief package to provide additional assistance to its customers.  On May 5, 2020, the ACC approved APS returning $36 million that had been collected through the Demand Side Management (&#8220;DSM&#8221;) Adjustor Charge, but not allocated for current DSM programs, directly to customers through a bill credit in June 2020.  APS has refunded approximately $43&#160;million to customers.  The additional $7&#160;million over the approved amount of $36&#160;million was the result of the kWh credit being based on historic consumption, which was different than actual consumption in the refund period.  This difference was recorded to the DSM balancing account and will be addressed in subsequent DSM filings (see below for discussion of the DSM Adjustor Charge).  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In 2020, APS spent more than $15&#160;million to assist customers and local non-profits and community organizations to help with the impact of the COVID-19 pandemic, with $12.4&#160;million of these dollars directly committed to bill assistance programs (the &#8220;COVID Customer Support Fund&#8221;).  The COVID Customer Support Fund was comprised of a series of voluntary commitments of funds that are not recoverable through rates throughout 2020 of approximately $8.8&#160;million. An additional $3.6&#160;million in bill credits for limited income customers was ordered by the ACC in December 2020 of which 50%, up to a maximum of  $2.5&#160;million, was committed to be funds that are not recoverable through rates with the remaining being deferred for potential future recovery in rates.  Included in the COVID Customer Support Fund were programs that assisted customers that had a delinquency of two or more months with a one-time credit of $100, an expanded credit of $300 for limited income customers, programs to assist extra small and small non-residential customers with a one-time credit of $1,000, and other targeted programs allocated to assist with other COVID-19 needs in support of utility bill assistance.  The December 2020 ACC order further assisted delinquent limited income customers with an additional bill credit of up to $250 or their delinquent balance, whichever was less.  APS has distributed all funds for all COVID Customer Support Fund programs combined.  Beyond the COVID Customer Support Fund, APS has also provided $2.7&#160;million to assist local non-profits and community organizations working to mitigate the impacts of the COVID-19 pandemic.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">2019 Retail Rate Case Filing with the Arizona Corporation Commission</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In accordance with the requirements of the 2019 rate review order described below, APS filed an application with the ACC on October 31, 2019 seeking an increase in annual retail base rates of&#160;$69 million.  This amount includes recovery of the deferral and rate base effects of the Four Corners selective catalytic reduction (&#8220;SCR&#8221;) project that is currently the subject of a separate proceeding (see &#8220;SCR Cost Recovery&#8221; below).  It also reflects a net credit to base rates of approximately $115 million primarily due to the prospective inclusion of rate refunds currently provided through the Tax Expense Adjustment Mechanism (&#8220;TEAM&#8221;).  The proposed total annual revenue increase in APS&#8217;s application is $184 million.  The average annual customer bill impact of APS&#8217;s request is an increase of&#160;5.6%&#160;(the average annual bill impact for a typical APS residential customer is 5.4%).</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The principal provisions of APS&#8217;s application were:</span></div><div><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a test year comprised of twelve months ended June 30, 2019, adjusted as described below;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an original cost rate base of $8.87 billion, which approximates the ACC-jurisdictional portion of the book value of utility assets, net of accumulated depreciation and other credits;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">the following proposed capital structure and costs of capital:</span></div><div style="margin-bottom:5pt;margin-top:5pt;padding-left:54pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:90.058%"><tr><td style="width:1.0%"/><td style="width:37.861%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.425%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.309%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.309%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.244%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.311%"/><td style="width:0.1%"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Capital&#160;Structure</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Cost&#160;of&#160;Capital</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td></tr><tr><td colspan="6" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Long-term debt</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">45.3&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">4.10&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Common stock 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">54.7&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">10.15&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="6" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Weighted-average cost of capital</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">7.41&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td></tr></table></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a&#160;1%&#160;return on the increment of fair value rate base above APS&#8217;s original cost rate base, as provided for by Arizona law;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a rate of $0.030168 per kWh for the portion of APS&#8217;s retail base rates attributable to fuel and purchased power costs (&#8220;Base Fuel Rate&#8221;);</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">authorization to defer until APS&#8217;s next general rate case the increase or decrease in its Arizona property taxes attributable to tax rate changes after the date the rate application is adjudicated;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a number of proposed rate and program changes for residential customers, including:</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a super off-peak period during the winter months for APS&#8217;s time-of-use with demand rates;</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">additional $1.25 million in funding for APS&#8217;s limited-income crisis bill program; and</span></div><div style="padding-left:90pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a flat bill/subscription rate pilot program; </span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">proposed rate design changes for commercial customers, including an experimental program designed to provide access to market pricing for up to 200 MW of medium and large commercial customers;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project (see discussion below of the 2017 Settlement Agreement); and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">continued recovery of the remaining investment and other costs related to the retirement and closure of the Navajo Generating Station (the &#8220;Navajo Plant&#8221;) (see &#8220;Navajo Plant&#8221; below).</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On October 2, 2020, the ACC Staff, the Residential Utility Consumer Office (&#8220;RUCO&#8221;) and other intervenors filed their initial written testimony with the ACC in this rate case.  The ACC Staff recommends, among other things, a (i) $89.7&#160;million revenue increase, (ii) average annual customer bill increase of 2.7%, (iii) return on equity of 9.4%, (iv) a 0.3% or, as an alternative, a 0% return on the increment of fair value rate base </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">greater than original cost</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">, (v)  recovery of the deferral and rate base effects of the construction and operating costs of the Four Corners SCR project and (vi) recovery of the rate base effects of the construction and ongoing consideration of the deferral of the Ocotillo modernization project.  RUCO recommends, among other things, a (i) $20.8&#160;million revenue decrease, (ii) average annual customer bill decrease of 0.63%, (iii) return on equity of 8.74%, (iv) a 0% return on the increment of fair value rate base, (v)  nonrecovery of the </span></div><div><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">deferral and rate base effects of the construction and operating costs of the Four Corners SCR project pending further consideration, and (vi) recovery of the deferral and rate base effects of the construction and operating costs of the Ocotillo modernization project.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The filed ACC Staff and intervenor testimony include additional recommendations, some of which materially differ from APS&#8217;s filed application. On November 6, 2020, APS filed its rebuttal testimony and the principal provisions which differ from its initial application include, among other things, a (i) $169&#160;million revenue increase, (ii) average annual customer bill increase of 5.14%, (iii) return on equity of 10%, (iv) return on the increment of fair value rate base of 0.8%, (v) new cost recovery adjustor mechanism, the Advanced Energy Mechanism (&#8220;AEM&#8221;), to enable more timely recovery of clean investments as APS pursues its clean energy commitment, (vi) recognition that securitization is a potentially useful financing tool to recover the remaining book value of retiring assets and effectuate a transition to a cleaner energy future that APS intends to pursue, provided legislative hurdles are addressed, and (vii) a Coal Community Transition (&#8220;CCT&#8221;) plan related to the closure or future closure of coal-fired generation facilities, of which $25&#160;million would be funds that are not recoverable through rates with a proposal that the remainder be funded by customers over 10 years.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The CCT plan includes the following proposed components: (i) $100&#160;million that will be paid over 10 years to the Navajo Nation for a sustainable transition to a post-coal economy, which would be funded by customers, (ii) $1.25&#160;million that will be paid over five years to the Navajo Nation to fund an economic development organization, which would be funds not recoverable through rates, (iii) $10&#160;million to facilitate electrification projects within the Navajo Nation, which would be funded equally by funds not recoverable through rates and by customers, (iv) $2.5&#160;million per year in transmission revenue sharing to be paid to the Navajo Nation beginning after the closure of the Four Corners Power Plant through 2038, which would be funds not recoverable through rates, (v) $12&#160;million that will be paid over five years to the Navajo County Communities surrounding Cholla Power Plant, which would primarily be funded by customers, and (vi) $3.7&#160;million that will be paid over five years to the Hopi Tribe related to APS&#8217;s ownership interests in the Navajo Generating Station, which would primarily be funded by customers. The commitment of funds that would not be recoverable through rates of $25&#160;million were recognized in our December 31, 2020 financials.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 4, 2020, the ACC Staff and intervenors filed surrebuttal testimony.  The ACC Staff reduced its recommended rate increase to $59.8&#160;million, or an average annual customer bill increase of 1.82%.  In RUCO&#8217;s surrebuttal, the recommended revenue decrease changed to $50.1&#160;million, or an average annual customer bill decrease of 1.52%.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The hearing concluded on March 3, 2021 and the post-hearing briefing schedule concluded on April 30, 2021.  In May 2021, the ACC will be discussing whether to re-open the evidentiary record in APS&#8217;s pending rate case to take additional evidence on topics raised by certain ACC Commissioners, including adjustor cost recovery mechanisms.  APS believes that the rate case record is sufficient, and adjustors provide substantial benefits to customers by supporting critical programs and reflecting changes in utility costs that can be promptly passed along to customers. Pending this decision, the next steps in this rate case are that the Administrative Law Judge will issue a Recommended Order and Opinion and then the ACC will review and consider the matter, which is anticipated to be in the third quarter of 2021.  Unfavorable ACC Staff and intervenor positions and recommendations, including modifications or elimination of APS's adjustor cost recovery mechanisms could have a material impact on APS&#8217;s financial statements if ultimately adopted by the ACC.  APS cannot predict the outcome or timing of this proceeding.  </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">2016 Retail Rate Case Filing with the Arizona Corporation Commission</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June&#160;1, 2016, APS filed an application with the ACC for an annual increase in retail base rates.  On March 27, 2017, a majority of the stakeholders in the general retail rate case, including the ACC Staff, RUCO, limited income advocates and private rooftop solar organizations signed a settlement agreement (the &#8220;2017 Settlement Agreement&#8221;) and filed it with the ACC.  The 2017 Settlement Agreement provides for a net retail base rate increase of $94.6 million, excluding the transfer of adjustor balances, consisting of: (1) a non-fuel, non-depreciation, base rate increase of $87.2 million per year; (2) a base rate decrease of $53.6 million attributable to reduced fuel and purchased power costs; and (3) a base rate increase of $61.0 million due to changes in depreciation schedules.  The average annual customer bill impact under the 2017 Settlement Agreement was calculated as an increase of 3.28% (the average annual bill impact for a typical APS residential customer was calculated as an increase of 4.54%).</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Other key provisions of the agreement include the following:</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an authorized return on common equity of 10.0%;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a capital structure comprised of 44.2% debt and 55.8% common equity;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a cost deferral order for potential future recovery in APS&#8217;s next general retail rate case for the construction and operating costs APS incurs for its Ocotillo modernization project; </span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a cost deferral and procedure to allow APS to request rate adjustments prior to its next general retail rate case related to its share of the construction costs associated with installing SCR equipment at the Four Corners Power Plant (&#8220;Four Corners&#8221;); </span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a deferral for future recovery (or credit to customers) of the Arizona property tax expense above or below a specified test year level caused by changes to the applicable Arizona property tax rate;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an expansion of the Power Supply Adjustor (&#8220;PSA&#8221;) to include certain environmental chemical costs and third-party energy storage costs;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">a new AZ Sun II program (now known as &#8220;APS Solar Communities&#8221;) for utility-owned solar distributed generation with the purpose of expanding access to rooftop solar for low and moderate income Arizonans, recoverable through the Arizona Renewable Energy Standard and Tariff (&#8220;RES&#8221;), to be no less than $10 million per year in capital costs, and not more than $15 million per year in capital costs;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an increase to the per kWh cap for the environmental improvement surcharge from $0.00016 to $0.00050 and the addition of a balancing account;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">rate design changes, including:</span></div><div style="padding-left:108pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a change in the on-peak time of use period from noon-7 p.m. to 3 p.m.-8 p.m. Monday through Friday, excluding holidays; </span></div><div style="padding-left:108pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">non-grandfathered distributed generation (&#8220;DG&#8221;) customers would be required to select a rate option that has time of use rates and either a new grid access charge or demand component; </span></div><div style="padding-left:108pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#9642;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.93pt">a Resource Comparison Proxy (&#8220;RCP&#8221;) for exported energy of 12.9 cents per kWh in year one; and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">an agreement by APS not to pursue any new self-build generation (with certain exceptions) having an in-service date prior to January 1, 2022 (extended to December 31, 2027 for combined-cycle generating units), unless expressly authorized by the ACC. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Through a separate agreement, APS, industry representatives, and solar advocates committed to stand by the 2017 Settlement Agreement and refrain from seeking to undermine it through ballot initiatives, legislation or advocacy at the ACC.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 15, 2017, the ACC approved (by a vote of 4-1) the 2017 Settlement Agreement without material modifications.&#160; On August 18, 2017, the ACC issued a final written Opinion and Order reflecting its decision in APS&#8217;s general retail rate case (the &#8220;2017 Rate Case Decision&#8221;), which is subject to requests for rehearing and potential appeal.  The new rates went into effect on August 19, 2017.   </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 3, 2018, an APS customer filed a petition with the ACC that was determined by the ACC Staff to be a complaint filed pursuant to Arizona Revised Statute &#167;40-246 (the &#8220;Complaint&#8221;).  The Complaint was later amended alleging that the rates and charges in the 2017 Rate Case Decision are not just and reasonable.  The ACC held a hearing on this matter, and the Administrative Law Judge issued a Recommended Opinion and Order recommending that the Complaint be dismissed.  On July 3, 2019, the Administrative Law Judge issued an amendment to the Recommended Opinion and Order that incorporated the requirements of the rate review of the 2017 Rate Case Decision (see below discussion regarding the rate review).  On July 10, 2019, the ACC adopted the Administrative Law Judge&#8217;s amended Recommended Opinion and Order along with several ACC Commissioner amendments and an amendment incorporating the results of the rate review and resolved the Complaint.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:107%"> See &#8220;Rate Plan Comparison Tool and Investigation&#8221; below for information regarding a review and investigation pertaining to the rate plan comparison tool offered to APS customers and other related issues.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:107%">ACC Review of APS 2017 Rate Case Decision </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 24, 2018, certain ACC Commissioners filed a letter stating that because the ACC had received a substantial number of complaints that the rate increase authorized by the 2017 Rate Case Decision was much more than anticipated, they believe there is a possibility that APS is earning more than was authorized by the 2017 Rate Case Decision.&#160; Accordingly, the ACC Commissioners requested the ACC Staff to perform a rate review of APS using calendar year 2018 as a test year.  The ACC Commissioners also asked the ACC Staff to evaluate APS&#8217;s efforts to educate its customers regarding the new rates approved in the 2017 Rate Case Decision. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 4, 2019, the ACC Staff filed a proposed order regarding the rate review of the 2017 Rate Case Decision.  On June 11, 2019, the ACC Commissioners approved the proposed ACC Staff order with amendments.  The key provisions of the amended order include the following:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must file a rate case no later than October 31, 2019, using a June 30, 2019 test year;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">until the conclusion of the rate case being filed no later than October 31, 2019, APS must provide information on customer bills that shows how much a customer would pay on their most economical rate given their actual usage during each month;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS customers can switch rate plans during an open enrollment period of six months;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must identify customers whose bills have increased by more than 9% and that are not on the most economical rate and provide such customers with targeted education materials and an opportunity to switch rate plans;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must provide grandfathered net metering customers on legacy demand rates an opportunity to switch to another legacy rate to enable such customers to fully benefit from legacy net metering rates;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must fund and implement a supplemental customer education and outreach program to be developed with and administered by ACC Staff and a third-party consultant; and</span></div><div style="margin-bottom:6pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">APS must fund and organize, along with the third-party consultant, a stakeholder group to suggest better ways to communicate the impact of changes to adjustor cost recovery mechanisms (see below for discussion on cost recovery mechanisms), including more effective ways to educate customers on rate plans and to reduce energy usage. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS filed its rate case on October 31, 2019 (see &#8220;2019 Retail Rate Case Filing with the Arizona Corporation Commission&#8221; above for more information).  APS does not believe that the implementation of the other key provisions of the amended order regarding the rate review will have a material impact on its financial position, results of operations or cash flows.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On May 19, 2020, the ACC Staff filed a third-party consultant&#8217;s report which evaluated the effectiveness of APS&#8217;s customer outreach and education program related to the 2017 Rate Case Decision.  On May 29, 2020, the Chairman of the ACC filed a letter with the ACC in response to this report and is alleging that APS is out of compliance with the 2017 Rate Case Decision and is over-earning.  The Chairman proposed that the current rates should be classified as interim rates and customers held harmless if APS&#8217;s activities have caused the rates set in the 2017 Rate Case Decision to not be just and reasonable.  Also, on May 29, 2020, a second commissioner filed a letter with the ACC agreeing with the Chairman&#8217;s assertions and further asserting that the 2017 Rate Case Decision should be re-opened.  On June 18, 2020, at an ACC Open Meeting, the matters raised in these letters were discussed.  The ACC did not vote to move forward with any adjustments to APS&#8217;s current rates.  On November 4, 2020, the ACC voted to administratively close this docket.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Cost Recovery Mechanisms </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has received regulatory decisions that allow for more timely recovery of certain costs outside of a general retail rate case through the following recovery mechanisms.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Renewable Energy Standard</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; In 2006, the ACC approved the RES.&#160; Under the RES, electric utilities that are regulated by the ACC must supply an increasing percentage of their retail electric energy sales from eligible renewable resources, including solar, wind, biomass, biogas and geothermal technologies.&#160; In order to achieve these requirements, the ACC allows APS to include a RES surcharge as part of customer bills to recover the approved amounts for use on renewable energy projects.&#160; Each year APS is required to file a five-year implementation plan with the ACC and seek approval for funding the upcoming year&#8217;s RES budget.  In 2015, the ACC revised the RES rules to allow the ACC to consider all available information, including the number of rooftop solar arrays in a utility&#8217;s service territory, to determine compliance with the RES. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 20, 2017, APS filed an updated 2018 RES budget to include budget adjustments for APS Solar Communities (formerly known as AZ Sun II), which was approved as part of the 2017 Rate Case Decision.  APS Solar Communities is a 3-year program authorizing APS to spend $10 million to $15 million in capital costs each year to install utility-owned DG systems for low to moderate income residential homes, non-profit entities, Title I schools and rural government facilities.  The 2017 Rate Case Decision provided that all operations and maintenance expenses, property taxes, marketing and advertising expenses, and the capital carrying costs for this program will be recovered through the RES. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 29, 2018, APS filed its 2019 RES Implementation Plan and proposed a budget of approximately $89.9 million.&#160; APS&#8217;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2019 contained in the RES rules.  On October 29, 2019, the ACC approved the 2019 RES Implementation Plan including a waiver of the residential distributed energy requirements for the 2019 implementation year.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 1, 2019, APS filed its 2020 RES Implementation Plan and proposed a budget of approximately $86.3 million.  APS&#8217;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2020 contained in the RES rules.  On September 23, 2020, the ACC approved the 2020 RES Implementation Plan including a waiver of the residential distributed energy requirements for the 2020 implementation year. In addition, the ACC approved the implementation of a new pilot program that incentivizes Arizona households to install at-home battery </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">systems.  Recovery of the costs associated with the pilot will be addressed in the 2021 Demand Side Management Implementation Plan (&#8220;DSM Plan&#8221;).</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On July 1, 2020, APS filed its 2021 RES Implementation Plan and proposed a budget of approximately $84.7 million.&#160; APS&#8217;s budget request supports existing approved projects and commitments and requests a permanent waiver of the residential distributed energy requirement for 2021 contained in the RES rules.  In the 2021 RES Implementation Plan, APS requested $4.5&#160;million to meet revenue requirements associated with the APS Solar Communities program to complete installations delayed as a result of the COVID-19 pandemic in 2020.  The ACC has not yet ruled on the 2021 RES Implementation Plan.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 30, 2020, ACC Staff issued final draft rules which, if approved, would require APS to meet certain clean energy standards and technology procurement mandates, obtain approval for its action plan included in its IRP, and seek cost recovery in a rate process.  APS cannot predict the outcome of this matter.  See &#8220;Energy Modernization Plan&#8221; below for more information.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Demand Side Management Adjustor Charge</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; The ACC Electric Energy Efficiency Standards require APS to submit a DSM Plan annually for review by and approval of the ACC.  Verified energy savings from APS&#8217;s resource savings projects can be counted toward compliance with the Electric Energy Efficiency Standards; however, APS is not allowed to count savings from systems savings projects toward determination of the achievement of performance incentives, nor may APS include savings from these system savings projects in the calculation of its Lost Fixed Cost Recovery (&#8220;LFCR&#8221;) mechanism (see below for discussion of the LFCR).</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On September 1, 2017, APS filed its 2018 DSM Plan, which proposed modifications to the demand side management portfolio to better meet system and customer needs by focusing on peak demand reductions, storage, load shifting and demand response programs in addition to traditional energy savings measures. The 2018 DSM Plan sought a requested budget of $52.6 million and requested a waiver of the Electric Energy Efficiency Standard for 2018.&#160;&#160; On November 14, 2017, APS filed an amended 2018 DSM Plan, which revised the allocations between budget items to address customer participation levels but kept the overall budget at $52.6 million. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 31, 2018, APS filed its 2019 DSM Plan, which requested a budget of $34.1 million and focused on DSM strategies to better meet system and customer needs, such as peak demand reduction, load shifting, storage and electrification strategies.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 31, 2019, APS filed its 2020 DSM Plan, which requested a budget of $51.9 million and continued APS&#8217;s focus on DSM strategies such as peak demand reduction, load shifting, storage and electrification strategies.  The 2020 DSM Plan addressed all components of the pending 2018 and 2019 DSM plans, which enabled the ACC to review the 2020 DSM Plan only.  On May 15, 2020, APS filed an amended 2020 DSM Plan to provide assistance to customers experiencing economic impacts of the COVID-19 pandemic.  The amended 2020 DSM Plan requested the same budget amount of $51.9 million.  On    September 23, 2020, the ACC approved the amended 2020 DSM Plan. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 17, 2020, APS filed an application with the ACC requesting a COVID-19 emergency relief package to provide additional assistance to its customers.  On May 5, 2020, the ACC approved APS returning $36 million that had been collected through the DSM Adjustor Charge, but not allocated for current DSM programs, directly to customers through a bill credit in June 2020.  APS has refunded approximately $43&#160;million to customers.  The additional $7&#160;million over the approved amount was the result of the kWh credit being based on historic consumption which was different than actual consumption in the refund period.  This difference was recorded to the DSM balancing account and will be addressed in subsequent DSM filings.  See &#8220;COVID-19 Pandemic&#8221; above for more information.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On December 31, 2020, APS filed its 2021 DSM Plan, which requested a budget of $63.7&#160;million and continued APS&#8217;s focus on DSM strategies, such as peak demand reduction, load shifting, storage and electrification strategies, as well as enhanced assistance to customers impacted economically by COVID-19.  On April 6, 2021, APS filed an amended 2021 DSM Plan that proposed an additional performance incentive for customers participating in the residential energy storage pilot approved in the 2020 RES Implementation Plan.  The ACC has not yet ruled on the amended APS 2021 DSM Plan. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On April 20, 2021, APS filed a request to extend the June 1, 2021 deadline to file its 2022 DSM Plan until 120 days after the ACC has taken action on APS's amended 2021 DSM Plan.  The ACC has not ruled on this request.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:115%">Power Supply Adjustor Mechanism and Balance.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"> The PSA provides for the adjustment of retail rates to reflect variations primarily in retail fuel and purchased power costs.&#160; The following table shows the changes in the deferred fuel and purchased power regulatory asset for 2021 and 2020 (dollars in thousands):</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:11.619%"/><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:11.621%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Beginning balance</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">175,835&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">70,137&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred fuel and purchased power costs &#8212; current period</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">52,210&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">5,785&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts refunded to customers</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">564&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,808&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Ending balance</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">228,609&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">77,730&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The PSA rate for the PSA year beginning February 1, 2019 was $0.001658 per kWh, as compared to the $0.004555 per kWh for the prior year.  This rate was comprised of a forward component of $0.000536 per kWh and a historical component of $0.001122 per kWh.  This represented a $0.002897 per kWh decrease compared to 2018.  These rates went into effect as filed on February 1, 2019.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 27, 2019, APS filed its PSA rate for the PSA year beginning February 1, 2020.  That rate was $(0.000456) per kWh and consisted of a forward component of $(0.002086) per kWh and a historical component of $0.001630 per kWh.  The 2020 PSA rate is a $0.002115 per kWh decrease compared to the 2019 PSA year.  These rates went into effect as filed on February 1, 2020.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On November 30, 2020, APS filed its PSA rate for the PSA year beginning February 1, 2021.  That rate was $0.003544 per kWh and consisted of a forward component of $0.003434 per kWh and a historical component of $0.000110 per kWh.  The 2021 PSA rate is a $0.004 per kWh increase, compared to the 2020 PSA year.  These rates were to be effective on February 1, 2021 but APS delayed the effectiveness of these rates until the first billing cycle of April 2021 due to concerns of the impact on customers during COVID-19. In March 2021, the ACC voted to implement the 2021 PSA, with 50% of the rate increase effective in April 2021 and the remaining 50% of the increase effective in November 2021.  The PSA rate implemented was $0.001544 per kWh and consisted of a forward component of $(0.004444) per kWh and a historical component of $0.005988 per kWh.  As part of this approval, the ACC ordered ACC Staff to conduct a fuel and purchased power procurement audit to better understand the factors that contributed to the increase.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On March 15, 2019, APS filed an application with the ACC requesting approval to recover the costs related to two energy storage power purchase tolling agreements through the PSA.  On December 29, 2020, the ACC Staff filed its report and recommended the storage costs be included in the PSA once the systems are in-service.  On January 12, 2021, the ACC approved this application. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:115%">Environmental Improvement Surcharge.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">  The EIS permits APS to recover the capital carrying costs (rate of return, depreciation and taxes) plus incremental operations and maintenance expenses associated with environmental improvements made outside of a test year to comply with environmental standards set by federal, state, tribal, or local laws and regulations.&#160; A filing is made on or before February 1 for qualified environmental improvements made during the prior calendar year, and the new charge becomes effective  April 1 unless suspended by the ACC.&#160; There is an overall cap of $0.0005 per kWh (approximately $13 million to $14 million per year).&#160; APS&#8217;s February 1, 2021 application requested an increase in the charge to $10.3&#160;million, or $1.5&#160;million over the prior-period charge and it became effective with the first billing cycle in April 2021.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Transmission Rates, Transmission Cost Adjustor (&#8220;TCA&#8221;) and Other Transmission Matters</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> In July&#160;2008, FERC approved a modification to APS&#8217;s Open Access Transmission Tariff to allow APS to move from fixed rates to a formula rate-setting methodology in order to more accurately reflect and recover the costs that APS incurs in providing transmission services.&#160; A large portion of the rate represents charges for transmission services to serve APS&#8217;s retail customers (&#8220;Retail Transmission Charges&#8221;).&#160; In order to recover the Retail Transmission Charges, APS was previously required to file an application with, and obtain approval from, the ACC to reflect changes in Retail Transmission Charges through the TCA.&#160; Under the terms of the settlement agreement entered into in 2012 regarding APS&#8217;s rate case (&#8220;2012 Settlement Agreement&#8221;), however, an adjustment to rates to recover the Retail Transmission Charges will be made annually each June&#160;1 and will go into effect automatically unless suspended by the ACC.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The formula rate is updated each year effective June&#160;1 on the basis of APS&#8217;s actual cost of service, as disclosed in APS&#8217;s FERC Form&#160;1 report for the previous fiscal year.&#160; Items to be updated include actual capital expenditures made as compared with previous projections, transmission revenue credits and other items.&#160; The resolution of proposed adjustments can result in significant volatility in the revenues to be collected.&#160; APS reviews the proposed formula rate filing amounts with the ACC Staff.&#160; Any items or adjustments which are not agreed to by APS and the ACC Staff can remain in dispute until settled or litigated at FERC.&#160; Settlement or litigated resolution of disputed issues could require an extended period of time and could have a significant effect on the Retail Transmission Charges because any adjustment, though applied prospectively, may be calculated to account for previously over- or under-collected amounts.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On March 7, 2018, APS made a filing to make modifications to its annual transmission formula to provide transmission customers the benefit of the reduced federal corporate income tax rate resulting from the Tax Cuts and Jobs Act (&#8220;Tax Act&#8221;) beginning in its 2018 annual transmission formula rate update filing. These modifications were approved by FERC on May 22, 2018 and reduced APS&#8217;s transmission rates compared to the rate that would have gone into effect absent these changes.  On March 17, 2020, APS made a filing to make further modifications to its annual transmission formula to provide additional transparency for excess and deficient Accumulated Deferred Income Taxes resulting from the Tax Act, as well as for future local, state, and federal statutory tax rate changes.  This filing is pending with FERC.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Effective June&#160;1, 2019, APS&#8217;s annual wholesale transmission rates for all users of its transmission system increased by approximately $25.8 million for the twelve-month period beginning June 1, 2019 in accordance with the FERC-approved formula.  Of this amount, retail customer rates increased by approximately $4.7 million.  An adjustment to APS&#8217;s retail rates to recover FERC approved transmission charges went into effect automatically on June&#160;1, 2019.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Effective June&#160;1, 2020, APS&#8217;s annual wholesale transmission rates for all users of its transmission system decreased by approximately $6.1 million for the twelve-month period beginning June 1, 2020 in accordance with the FERC-approved formula.&#160; Of this amount, retail customer rates decreased by approximately $10.9 million.  An adjustment to APS&#8217;s retail rates to recover FERC approved transmission charges went into effect automatically on June&#160;1, 2020.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Lost Fixed Cost Recovery Mechanism</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160; The LFCR mechanism permits APS to recover on an after-the-fact basis a portion of its fixed costs that would otherwise have been collected by APS in the kWh sales lost due to APS energy efficiency programs and to DG such as rooftop solar arrays.&#160; The fixed costs recoverable by the LFCR mechanism are currently 2.5 cents for both lost residential and non-residential kWh as set forth in the 2017 Settlement Agreement.&#160; The LFCR adjustment has a year-over-year cap of 1% of retail revenues.&#160; Any amounts left unrecovered in a particular year because of this cap can be carried over for recovery in a future year.&#160; The kWhs lost from energy efficiency are based on a third-party evaluation of APS&#8217;s energy efficiency programs.&#160; DG sales losses are determined from the metered output from the DG units.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On February 15, 2018, APS filed its 2018 annual LFCR adjustment, requesting that effective May 1, 2018, the LFCR be adjusted to $60.7 million.  On February 6, 2019, the ACC approved the 2018 annual LFCR adjustment to become effective March 1, 2019.  On February 15, 2019, APS filed its 2019 annual LFCR adjustment, requesting that effective May 1, 2019, the annual LFCR recovery amount be reduced to $36.2 million (a $24.5 million decrease from previous levels).  On July 10, 2019, the ACC approved APS&#8217;s 2019 LFCR adjustment as filed, effective with the next billing cycle of July 2019.  On February 14, 2020, APS filed its 2020 annual LFCR adjustment, requesting that effective May 1, 2020, the annual LFCR recovery amount be reduced to $26.6 million (a $9.6 million decrease from previous levels).  On April 14, 2020, the ACC approved the 2020 LFCR adjustment as filed, effective with the first billing cycle in May 2020.  On February 15, 2021, APS filed its 2021 annual LFCR adjustment, requesting that effective May 1, 2021, the annual LFCR recovery amount be increased to $38.5&#160;million (an $11.8&#160;million increase from previous levels).  On April 13, 2021, the ACC voted not to approve the requested $11.8&#160;million increase to the annual LFCR adjustment, thus the previously approved rates continue to remain intact. The $11.8&#160;million will continue to be maintained in the LFCR regulatory asset balancing account and will be requested as part of APS&#8217;s next LFCR application filing in 2022.  The ACC has not yet released its order on this matter.  APS does not anticipate that the order will have a material impact on its financial position, results of operations and cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Tax Expense Adjustor Mechanism</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.&#160; As part of the 2017 Settlement Agreement, the parties agreed to a rate adjustment mechanism to address potential federal income tax reform and enable the pass-through of certain income tax effects to customers. The TEAM expressly applies to APS&#8217;s retail rates with the exception of a small subset of customers taking service under specially-approved tariffs.  On December 22, 2017, the Tax Act was enacted.&#160; This legislation made significant changes to the federal income tax laws including a reduction in the corporate tax rate from 35% to 21% effective January 1, 2018.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 8, 2018, APS filed an application with the ACC that addressed the change in the marginal federal tax rate from 35% to 21% resulting from the Tax Act and reduced rates by $119.1 million annually through an equal cents per kWh credit (&#8220;TEAM Phase I&#8221;).&#160; On February 22, 2018, the ACC approved the reduction of rates through an equal cents per kWh credit. The rate reduction was effective for the first billing cycle in March 2018. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The impact of the TEAM Phase I, over time, is expected to be earnings neutral. However, on a quarterly basis, there is a difference between the timing and amount of the income tax benefit and the reduction in revenues refunded through the TEAM Phase I related to the lower federal income tax rate. The amount of the benefit of the lower federal income tax rate is based on quarterly pre-tax results, while the reduction in revenues refunded through the TEAM Phase I is based on a per kWh sales credit which follows our seasonal kWh sales pattern and is not impacted by earnings of the Company.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 13, 2018, APS filed a second request with the ACC that addressed the return of an additional $86.5 million in tax savings to customers related to the amortization of non-depreciation related excess deferred taxes previously collected from customers (&#8220;TEAM Phase II&#8221;).&#160;The ACC approved this request on March 13, 2019, effective the first billing cycle in April 2019 through the last billing cycle in March 2020.  </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On March 19, 2020, due to the COVID-19 pandemic, APS delayed the discontinuation of TEAM Phase II until the first billing cycle in May 2020. &#160;Amounts credited to customers after the last billing cycle in March 2020 will be recorded as a part of the balancing account and will be addressed for recovery as part of APS&#8217;s 2019 ACC rate case.  Both the timing of the reduction in revenues refunded through TEAM Phase II and the offsetting income tax benefit are recognized based upon our seasonal kWh sales pattern.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 10, 2019, APS filed a third request with the ACC that addressed the amortization of depreciation related excess deferred taxes over a 28.5-year period consistent with IRS normalization rules (&#8220;TEAM Phase III&#8221;). &#160;On October 29, 2019, the ACC approved TEAM Phase III providing both (i) a one-time bill credit of $64 million, which was credited to customers on their December 2019 bills, and (ii) a monthly bill credit effective the first billing cycle in December 2019 which will provide an additional benefit of $39.5 million to customers through December 31, 2020.  On November 20, 2020, APS filed an application to continue the TEAM Phase III monthly bill credit through the earlier of December 31, 2021, or at the conclusion of APS&#8217;s 2019 pending rate case.  On December 9, 2020, the ACC approved this request. Both the timing of the reduction in revenues refunded through the TEAM Phase III monthly bill credit and the offsetting income tax benefit are recognized based upon APS&#8217;s seasonal kWh sales pattern.  </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Net Metering</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS&#8217;s 2017 Rate Case Decision provides that payments by utilities for energy exported to the grid from DG solar facilities will be determined using a RCP methodology, a method that is based on the most recent five-year rolling average price that APS pays for utility-scale solar projects, while a forecasted avoided cost methodology is being developed.&#160; The price established by this RCP method will be updated annually (between general retail rate cases) but will not be decreased by more than 10% per year. Once the avoided cost methodology is developed, the ACC will determine in APS&#8217;s subsequent rate cases which method (or a combination of methods) is appropriate to determine the actual price to be paid by APS for exported distributed energy.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In addition, the ACC made the following determinations:</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">customers who have interconnected a DG system or submitted an application for interconnection for DG systems prior to September 1, 2017, based on APS&#8217;s 2017 Rate Case Decision, will be grandfathered for a period of 20 years from the date the customer&#8217;s interconnection application was accepted by the utility;</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">customers with DG solar systems are to be considered a separate class of customers for ratemaking purposes; and</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">once an export price is set for APS, no netting or banking of retail credits will be available for new DG customers, and the then-applicable export price will be guaranteed for new customers for a period of 10 years. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">This decision of the ACC addresses policy determinations only.  The decision states that its principles will be applied in future general retail rate cases, and the policy determinations themselves may be subject to future change, as are all ACC policies.  A first-year export energy price of 12.9 cents per kWh was included in the 2017 Settlement Agreement and became effective on September 1, 2017. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">In accordance with the 2017 Rate Case Decision, APS filed its request for a third-year export energy price of 10.5 cents per kWh on May 1, 2019.&#160; This price also reflects the 10% annual reduction discussed above. The new rate rider became effective on October 1, 2019.  APS filed its request for a fourth-year export energy price of 9.4 cents per kWh on May 1, 2020, with a requested effective date of September 1, 2020.&#160; This price reflects the 10% annual reduction discussed above.  On September 23, 2020, the ACC approved the </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">annual reduction of the export energy price but voted to delay the effectiveness of the reduction in export prices until October 1, 2021.  APS&#8217;s export energy price will remain at 10.5 cents per kWh until October 1, 2021.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 23, 2017, The Alliance for Solar Choice&#160;(&#8220;TASC&#8221;) sought rehearing of the ACC&#8217;s decision regarding the value and cost of DG. TASC asserted that the ACC improperly ignored the Administrative Procedure Act, failed to give adequate notice regarding the scope of the proceedings, and relied on information that was not submitted as evidence, among other alleged defects. TASC filed a Notice of Appeal in the Arizona Court of Appeals and filed a Complaint and Statutory Appeal in the Maricopa County Superior Court on March&#160;10, 2017.  As part of the 2017 Settlement Agreement described above, TASC agreed to withdraw these appeals when the ACC decision implementing the 2017 Settlement Agreement is no longer subject to appellate review.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">See &#8220;2016 Retail Rate Case Filing with the Arizona Corporation Commission&#8221; above for information regarding an ACC order in connection with the rate review of the 2017 Rate Case Decision requiring APS to provide grandfathered net metering customers on legacy demand rates with an opportunity to switch to another legacy rate to enable such customers to benefit from legacy net metering rates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Subpoena from Former Arizona Corporation Commissioner Robert Burns</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 25, 2016, then-Commissioner Robert Burns, individually and not by action of the ACC as a whole, served subpoenas in APS&#8217;s then current retail rate proceeding on APS and Pinnacle West for the production of records and information relating to a range of expenditures from 2011 through 2016. The subpoenas requested information concerning marketing and advertising expenditures, charitable donations, lobbying expenses, contributions to 501(c)(3) and (c)(4) nonprofits and political contributions.  The return date for the production of information was set as September 15, 2016. The subpoenas also sought testimony from Company personnel having knowledge of the material, including the Chief Executive Officer. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On September 9, 2016, APS filed with the ACC a motion to quash the subpoenas or, alternatively to stay APS&#8217;s obligations to comply with the subpoenas and decline to decide APS&#8217;s motion pending court proceedings. Contemporaneously with the filing of this motion, APS and Pinnacle West filed a complaint for special action and declaratory judgment in the Superior Court of Arizona for Maricopa County, seeking a declaratory judgment that Burns&#8217; subpoenas are contrary to law.  On September 15, 2016, APS produced all non-confidential and responsive documents and offered to produce any remaining responsive documents that are confidential after an appropriate confidentiality agreement is signed.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On February 7, 2017, Burns opened a new ACC docket and indicated that its purpose is to study and rectify problems with transparency and disclosure regarding financial contributions from regulated monopolies or other stakeholders who may appear before the ACC that may directly or indirectly benefit an ACC Commissioner, a candidate for ACC Commissioner, or key ACC Staff.&#160; As part of this docket, Burns set March 24, 2017 as a deadline for the production of all information previously requested through the subpoenas. Neither APS nor Pinnacle West produced the information requested and instead objected to the subpoena.  On March 10, 2017, Burns filed suit against APS and Pinnacle West in the Superior Court of Arizona for Maricopa County in an effort to enforce his subpoenas.  On March 30, 2017, APS filed a motion to dismiss Burns&#8217; suit against APS and Pinnacle West.   In response to the motion to dismiss, the court stayed the suit and ordered Burns to file a motion to compel the production of the information sought by the subpoenas with the ACC.  On June 20, 2017, the ACC denied the motion to compel. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August 4, 2017, Burns amended his complaint to add all of the ACC Commissioners and the ACC itself as defendants.  All defendants moved to dismiss the amended complaint.  On February 15, 2018, the </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Superior Court dismissed Burns&#8217; amended complaint. On March 6, 2018, Burns filed an objection to the proposed final order from the Superior Court and a motion to further amend his complaint.  The Superior Court permitted Burns to amend his complaint to add a claim regarding his attempted investigation into whether his fellow commissioners should have been disqualified from voting on APS&#8217;s 2017 rate case.  Burns filed his second amended complaint, and all defendants filed responses opposing the second amended complaint and requested that it be dismissed.  Oral argument occurred in November 2018 regarding the motion to dismiss.  On December 18, 2018, the trial court granted the defendants&#8217; motions to dismiss and entered final judgment on January 18, 2019.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On February 13, 2019, Burns filed a notice of appeal.  On July 12, 2019, Burns filed his opening brief in the Arizona Court of Appeals.  APS filed its answering brief on October 21, 2019.  The Arizona Court of Appeals originally granted the request for oral argument; however, on March 31, 2020, the court vacated the date scheduled for oral argument given the COVID-19 pandemic.&#160; The court determined that the matter could be submitted without oral argument and has taken the matter under advisement and will issue a decision without oral argument.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Burns&#8217; position as an ACC commissioner ended on January 4, 2021.  Nevertheless, Burns filed a motion with the Court of Appeals arguing that the appeal was not mooted by this fact and the court should decide the matter.  Both APS and the ACC filed responses opposing the motion and asserting that the matter is moot.  Pinnacle West and APS cannot predict the outcome of this matter. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Information Requests from Arizona Corporation Commissioners  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 14, 2019, ACC Commissioner Kennedy opened a docket to investigate campaign expenditures and political participation of APS and Pinnacle West. In addition, on February 27, 2019, ACC Commissioners Burns and Dunn opened a new docket and requested documents from APS and Pinnacle West related to ACC elections and charitable contributions related to the ACC. On March 1, 2019, ACC Commissioner Kennedy issued a subpoena to APS seeking several categories of information for both Pinnacle West and APS, including political contributions, lobbying expenditures, marketing and advertising expenditures, and contributions made to 501(c)(3) and 501(c)(4) entities, for the years 2013-2018.  Pinnacle West and APS voluntarily responded to both sets of requests on March 29, 2019.  APS also received and responded to various follow-on requests from ACC Commissioners on these matters.  Pinnacle West and APS cannot predict the outcome of these matters.  The Company&#8217;s CEO, Mr. Guldner, appeared at the ACC&#8217;s January 14, 2020 Open Meeting regarding ACC Commissioners&#8217; questions about political spending.&#160; Mr. Guldner committed to the ACC that, during his tenure, Pinnacle West and APS, and any of their affiliated companies, will not participate in ACC campaign elections through financial contributions or in-kind contributions.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Energy Modernization Plan</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 30, 2018, former ACC Commissioner Tobin proposed the Energy Modernization Plan, which consisted of a series of energy policies tied to clean energy sources such as energy storage, biomass, energy efficiency, electric vehicles, and expanded energy planning through the integrated resource plan (&#8220;IRP&#8221;) process.  In August 2018, the ACC directed ACC Staff to open a new rulemaking docket which will address a wide range of energy issues, including the Energy Modernization Plan proposals. The rulemaking will consider possible modifications to existing ACC rules, such as the RES, Electric and Gas Energy Efficiency Standards, Net Metering, Resource Planning, and the Biennial Transmission Assessment, as well as the development of new rules regarding forest bioenergy, electric vehicles, interconnection of distributed </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">generation, baseload security, blockchain technology and other technological developments, retail competition, and other energy-related topics. </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On April 25, 2019, the ACC Staff issued an initial set of draft energy rules and held various workshops to incorporate feedback from stakeholders and ACC Commissioners from April 2019 through July 2020.  At the March 11-12, 2020 workshop, the ACC Staff committed to filing a final draft of proposed rules by July 2020.  On July 30, 2020, the ACC Staff issued final draft energy rules which proposed 100% of retail kWh sales from clean energy resources by the end of 2050.  Nuclear is defined as a clean energy resource. The proposed rules also require 50% of retail energy served be renewable by the end of 2035.  A new energy efficiency standard was not included in the proposed rules.  APS would be required to obtain approval of its action plan included in its IRP and seek recovery of prudently incurred costs in a rate process. If approved by the ACC Commissioners, the rules would require utilities to file a Clean Energy Implementation Plan and Energy Efficiency Report as part of their IRP every three years beginning in 2023. In addition, the ACC Staff proposed changing the IRP planning horizon from 15 years to 10 years.  </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The ACC has discussed the final draft energy rules at several different meetings in 2020.  On October 14, 2020, the ACC passed one amendment to ACC Staff&#8217;s final draft energy rules that will require electric utilities to obtain 35% of peak load (as measured in 2020) by 2030 from DSM resources, including traditional energy efficiency, demand response and other programs aimed at reducing energy usage, peak demand management and load shifting.  This standard aligns with the proposed rules&#8217; three-year resource planning cycle and allows recovery of costs through existing mechanisms until the ACC issues a decision in a future rate proceeding.  On October 29, 2020, the ACC approved an amendment that will require electric utilities to reduce their carbon emissions over 2016-2018 levels by 50% by 2032; 75% by 2040; and 100% by 2050.  The ACC also approved an amendment that will require utilities to install energy storage systems with an aggregate capacity equal to 5% of each utility&#8217;s 2020 peak demand by 2035, of which 40% must be derived from customer-owned or customer-leased distributed storage.  Another approved amendment modifies the resource planning process, including requirements for the ACC to approve a utility&#8217;s load forecast and resource plan, and for a utility to perform an all-source request for information to guide its resource plan.  On November 13, 2020, the ACC approved a final draft energy rules package.  On April 19, 2021, the Administrative Law Judge issued a Recommended Order and Opinion on the final energy rules and the ACC will need to review and approve the Recommended Order and Opinion before the rules will take effect.  APS cannot predict the outcome of this matter.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:115%">Integrated Resource Planning </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">ACC rules require utilities to develop 15-year IRPs which describe how the utility plans to serve customer load in the plan timeframe.&#160; The ACC reviews each utility&#8217;s IRP to determine if it meets the necessary requirements and whether it should be acknowledged.&#160; In March of 2018, the ACC reviewed the 2017 IRPs of its jurisdictional utilities and voted to not acknowledge any of the plans.&#160; APS does not believe that this lack of acknowledgment will have a material impact on our financial position, results of operations or cash flows.&#160; Based on an ACC decision, APS was originally required to file its next IRP by April 1, 2020. &#160;On February 20, 2020, the ACC extended the deadline for all utilities to file their IRP&#8217;s from April 1, 2020 to June&#160;26, 2020.  On June 26, 2020, APS filed its final IRP.  On July 15, 2020, the ACC extended the schedule for final ACC review of utility IRPs to February 2021.  In March 2021, the ACC Staff requested additional time to prepare its assessment of utility IRPs.  The ACC has taken no action on APS&#8217;s IRP.  APS cannot predict the outcome of this matter.  See &#8220;Energy Modernization Plan&#8221; above for information regarding proposed changes to the IRP filings. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Public Utility Regulatory Policies Act</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Under the Public Utility Regulatory Policies Act of 1978 (&#8220;PURPA&#8221;), qualifying facilities are provided the right to sell energy and/or capacity to utilities and are granted relief from certain regulatory burdens.  On </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">December 17, 2019, the ACC mandated a minimum contract length of 18 years for qualifying facilities over 100 kW in Arizona, and established that the rate paid to qualifying facilities must be based on the long-term avoided cost.  &#8220;Avoided cost&#8221; is generally defined as the price at which the utility could purchase or produce the same amount of power from sources other than the qualifying facility on a long-term basis.  During calendar year 2020, APS entered into two 18-year power purchase agreements with qualified facilities, each for 80 MW solar facilities.  In March 2021, the ACC approved these agreements.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> On July 16, 2020, FERC issued a final rule revising FERC&#8217;s regulations implementing PURPA.  The final rule went into effect on December 31, 2020.  APS is evaluating how the revised regulations may impact its operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Residential Electric Utility Customer Service Disconnections</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On June 13, 2019, APS voluntarily suspended electric disconnections for residential customers who had not paid their bills.  On June 20, 2019, the ACC voted to enact emergency rule amendments to prevent residential electric utility customer service disconnections during the period June 1 through October 15 (&#8220;Summer Disconnection Moratorium&#8221;).  During the Summer Disconnection Moratorium, APS could not charge late fees and interest on amounts that were past due from customers.  Customer deposits must also be used to pay delinquent amounts before disconnection can occur and customers will have four months to pay back their deposit and any remaining delinquent amounts.  In accordance with the emergency rules, APS began putting delinquent customers on a mandatory four-month payment plan beginning on October 16, 2019.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In June 2019, the ACC began a formal regular rulemaking process to allow stakeholder input and time for consideration of permanent rule changes.  The ACC further ordered that each regulated electric utility serving retail customers in Arizona update its service conditions by incorporating the emergency rule amendments, restore power to any customers who were disconnected during the month of June 2019 and credit any fees that were charged for a reconnection.  The ACC Staff and ACC proposed draft amendments to the customer service disconnections rules.  ACC stakeholder meetings were held in September 2019, October 2019 and January 2020 regarding the customer service disconnections rules.  On April 14, 2021, the ACC voted to send to the formal rulemaking process a draft rules package governing customer disconnections that allows utilities to choose between a temperature threshold (above 95 degrees and below 32 degrees) or calendar threshold (June 1 &#8211; October 15) for disconnection moratoriums.  During the formal rulemaking process, the public will have an opportunity to provide input on the draft rules, before the draft rules come back to the ACC for a final vote.  The Summer Disconnection Moratorium will remain in effect until the ACC formalizes the final rules package.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Due to the COVID-19 pandemic, APS voluntarily suspended disconnections of customers for nonpayment and waived late payment fees beginning March 13, 2020 until December 31, 2020.   The suspension of disconnection of customers for nonpayment ended on January 1, 2021 and customers were automatically placed on eight-month payment arrangements if they had past due balances at the end of the disconnection period of $75 or greater.  APS will continue to waive late payment fees until October 15, 2021.  APS has experienced and is continuing to experience an increase in bad debt expense associated with the COVID-19 pandemic.   See &#8220;COVID-19 Pandemic&#8221; above for more information.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Retail Electric Competition Rules</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 17, 2018, the ACC voted to re-examine the facilitation of a deregulated retail electric market in Arizona.  An ACC special open meeting workshop was held on December 3, 2018. No substantive action was taken, but interested parties were asked to submit written comments and respond to a list of questions from ACC Staff. On July 1 and July 2, 2019, ACC Staff issued a report and initial proposed draft </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">rules regarding possible modifications to the ACC&#8217;s retail electric competition rules.  Interested parties filed comments to the ACC Staff report and a stakeholder meeting and workshop to discuss the retail electric competition rules was held on July 30, 2019.  ACC Commissioners submitted additional questions regarding this matter.  On February 10, 2020, two ACC Commissioners filed two sets of draft proposed retail electric competition rules.  On February 12, 2020, ACC Staff issued its second report regarding possible modifications to the ACC&#8217;s retail electric competition rules.  The ACC held a workshop on February 25-26, 2020 on further consideration and discussion of the retail electric competition rules.  During a July 15, 2020 ACC Staff meeting, the ACC Commissioners discussed the possible development of a retail competition pilot program, but no action was taken.  The ACC Commissioners are continuing to explore the retail electric competition rules.  APS cannot predict whether these efforts will result in any changes and, if changes to the rules results, what impact these rules would have on APS. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Rate Plan Comparison Tool and Investigation</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On November 14, 2019, APS learned that its rate plan comparison tool was not functioning as intended due to an integration error between the tool and APS&#8217;s meter data management system.  APS immediately removed the tool from its website and notified the ACC.  The purpose of the tool was to provide customers with a rate plan recommendation based upon historical usage data.  Upon investigation, APS determined that the error may have affected rate plan recommendations to customers between February 4, 2019 and November 14, 2019.  By the middle of May 2020, APS provided refunds to approximately 13,000 potentially impacted customers equal to the difference between what they paid for electricity and the amount they would have paid had they selected their most economical rate, as applicable, and a $25 payment for any inconvenience that the customer may have experienced.  The refunds and payment for inconvenience being provided did not have a material impact on APS&#8217;s financial statements.  APS developed a new tool for comparing customers&#8217; rate plan options.&#160; APS had an independent third party verify that the new rate comparison tool works correctly.&#160; In February 2020, APS launched the new online rate comparison tool, which is now available for its customers.  The ACC hired an outside consultant to evaluate the extent of the error and the overall effectiveness of</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> the tool.  On August 20, 2020, ACC Staff filed the outside consultant&#8217;s report on APS&#8217;s rate comparison tool. The report concluded APS&#8217;s new rate comparison tool is working as intended.  The report also identified a small population of additional customers that may have been affected by the error and APS has provided refunds and the $25 inconvenience payment to approximately 3,800 additional customers.  These additional refunds and payment for inconvenience did not have a material impact on APS&#8217;s financial statements.  On September 28, 2020, the ACC discussed this report but did not take any action.  APS cannot predict if any action will be taken by the ACC at this time.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS received civil investigative demands from the Office of the Arizona Attorney General, Civil Litigation Division, Consumer Protection &amp; Advocacy Section (&#8220;Attorney General&#8221;) seeking information pertaining to the rate plan comparison tool offered to APS customers and other related issues including implementation of rates from the 2017 Settlement Agreement and its Customer Education and Outreach Plan associated with the 2017 Settlement Agreement.  APS fully cooperated with the Attorney General&#8217;s Office in this matter.   On February 22, 2021 APS entered into a consent agreement with the Attorney General as a way to settle the matter.  The settlement results in APS paying $24.75&#160;million, $24&#160;million of which is being returned to customers as restitution.  While this matter has been resolved with the Attorney General, APS cannot predict whether additional inquiries or actions may be taken by the ACC.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Four Corners SCR Cost Recovery</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December 29, 2017, in accordance with the 2017 Rate Case Decision, APS filed a Notice of Intent to file its SCR Adjustment to permit recovery of costs associated with the installation of SCR equipment at Four Corners Units 4 and 5.&#160; APS filed the SCR Adjustment request in April 2018.&#160; Consistent with the 2017 </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Rate Case Decision, the request was narrow in scope and addressed only costs associated with this specific environmental compliance equipment.&#160; The SCR Adjustment request provided that there would be a $67.5 million annual revenue impact that would be applied as a percentage of base rates for all applicable customers.&#160; Also, as provided for in the 2017 Rate Case Decision, APS requested that the adjustment become effective no later than January 1, 2019.&#160; The hearing for this matter occurred in September 2018.&#160; At the hearing, APS accepted ACC Staff&#8217;s recommendation of a lower annual revenue impact of approximately $58.5 million.  The Administrative Law Judge issued a Recommended Opinion and Order finding that the costs for the SCR project were prudently incurred and recommending authorization of the $58.5 million annual revenue requirement related to the installation and operation of the SCRs.  Exceptions to the Recommended Opinion and Order were filed by the parties and intervenors on December 7, 2018.&#160; The ACC has not issued a decision on this matter.  APS included the costs for the SCR project in the retail rate base in its 2019 Retail Rate Case filing with the ACC.  On March 18, 2020, the ACC agreed to take administrative notice to include in the pending rate case portions of the record in this prior proceeding that are relevant to the SCRs.  APS cannot predict the outcome or timing of the decision on this matter.  APS may be required to record a charge to its results of operations if the ACC issues an unfavorable decision (see SCR deferral in the Regulatory Assets and Liabilities table below).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Cholla</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On September 11, 2014, APS announced that it would close Unit 2 of the Cholla Power Plant (&#8220;Cholla&#8221;) and cease burning coal at the other APS-owned units (Units 1 and 3) at the plant by the mid-2020s, if the United States Environmental Protection Agency (&#8220;EPA&#8221;) approved a compromise proposal offered by APS to meet required environmental and emissions standards and rules.  On April 14, 2015, the ACC approved APS&#8217;s plan to retire Unit 2, without expressing any view on the future recoverability of APS&#8217;s remaining investment in the unit.  APS closed Unit 2 on October 1, 2015.  In early 2017, EPA approved a final rule incorporating APS&#8217;s compromise proposal, which took effect on April 26, 2017. In December 2019, PacifiCorp notified APS that it planned to retire Cholla Unit 4 by the end of 2020.  Cholla Unit 4 was retired on December 24, 2020.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Previously, APS estimated Cholla Unit 2&#8217;s end of life to be 2033.  APS has been recovering a return on and of the net book value of the unit in base rates.  Pursuant to the 2017 Settlement Agreement described above, APS will be allowed continued recovery of the net book value of the unit and the unit&#8217;s decommissioning and other retirement-related costs ($52.9 million as of March&#160;31, 2021), in addition to a return on its investment.  In accordance with GAAP, in the third quarter of 2014, Unit 2&#8217;s remaining net book value was reclassified from property, plant and equipment to a regulatory asset.  The 2017 Settlement Agreement also shortened the depreciation lives of Cholla Units 1 and 3 to 2025. </span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Navajo Plant</span></div><div><span><br/></span></div><div style="margin-bottom:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Navajo Plant ceased operations in November 2019.  The co-owners and the Navajo Nation executed a lease extension on November 29, 2017 that allows for decommissioning activities to begin after the plant ceased operations. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is currently recovering depreciation and a return on the net book value of its interest in the Navajo Plant over its previously estimated life through 2026.  APS will seek continued recovery in rates for the book value of its remaining investment in the plant ($69.4 million as of March&#160;31, 2021) plus a return on the net book value as well as other costs related to retirement and closure, including the Navajo coal reclamation regulatory asset ($17.8&#160;million as of March 31, 2021).  APS believes it will be allowed recovery of the net book value, retirement and closure costs, in addition to a return on its investment.  In accordance with GAAP, in the second quarter of 2017, APS&#8217;s remaining net book value of its interest in the Navajo Plant was reclassified from property, plant and equipment to a regulatory asset.  If the ACC does not allow full recovery </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">of the remaining net book value of this interest, all or a portion of the regulatory asset will be written off and APS&#8217;s net income, cash flows, and financial position will be negatively impacted.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Regulatory Assets and Liabilities</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The detail of regulatory assets is as follows (dollars in thousands):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:36.583%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.363%"/><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:10.630%"/><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:10.630%"/><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:10.630%"/><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:10.632%"/><td style="width:0.1%"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amortization Through</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Pension</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">467,423&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">469,953&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power (b) (c)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">228,609&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">175,835&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; allowance for funds used during construction (&#8220;AFUDC&#8221;) equity</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2051</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,169&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">159,119&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,169&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">158,776&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Retired power plant costs</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2033</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">28,182&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">107,169&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">28,181&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">114,214&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Ocotillo deferral</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">110,820&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">95,723&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">SCR deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">88,044&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">81,307&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred property taxes</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2027</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,569&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">47,484&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,569&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">49,626&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Lost fixed cost recovery (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">45,905&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">41,807&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred compensation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2036</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">35,806&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">36,195&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Four Corners cost deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,077&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">22,056&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,077&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,075&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; investment tax credit basis adjustment</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2049</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,113&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,221&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,113&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,291&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Palo Verde VIEs (Note 6)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2046</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21,409&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21,255&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Coal reclamation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2026</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,068&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">16,732&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,068&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">16,999&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Loss on reacquired debt</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2038</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,703&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,486&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,689&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,877&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Mead-Phoenix transmission line contributions in aid of construction (&#8220;CIAC&#8221;)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2050</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">332&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,297&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">332&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,380&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Demand side management (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,268&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,268&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense adjustor mechanism (b)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,854&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,226&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense of Medicare subsidy</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,235&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,626&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,235&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,704&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power &#8212; mark-to-market (Note 7)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,728&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,341&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,244&#160;</span></td><td style="background-color:#cceeff;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"/></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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">PSA interest</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">46&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,355&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Various</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,018&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,169&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,716&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,100&#160;</span></td><td style="background-color:#cceeff;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:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total regulatory assets (d)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">339,880&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,135,857&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">291,713&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,133,987&#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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">This asset represents the future recovery of pension benefit obligations through retail rates.&#160; If these costs are disallowed by the ACC, this regulatory asset would be charged to other comprehensive income (&#8220;OCI&#8221;) and result in lower future revenues. See Note 5.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See &#8220;Cost Recovery Mechanisms&#8221; discussion above.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Subject to a carrying charge.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(d)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">There are no regulatory assets for which the ACC has allowed recovery of costs, but not allowed a return by exclusion from rate base.&#160; FERC rates are set using a formula rate as described in &#8220;Transmission Rates, Transmission Cost Adjustor and Other Transmission Matters.&#8221;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The detail of regulatory liabilities is as follows (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:36.583%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.363%"/><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:10.630%"/><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:10.630%"/><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:10.630%"/><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:10.632%"/><td style="width:0.1%"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amortization Through</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Excess deferred income taxes - ACC - Tax Cuts and Jobs Act (a)</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2046</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">41,353&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,004,226&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">41,330&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,012,583&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Excess deferred income taxes - FERC - Tax Cuts and Jobs Act (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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2058</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,240&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">228,690&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,240&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">229,147&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Asset retirement obligations</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2057</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">519,015&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">506,049&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other postretirement benefits</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(d)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,705&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">337,853&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,705&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">349,588&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Removal costs</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">55,247&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">89,937&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">52,844&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">103,008&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; change in rates</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2050</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,839&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">66,374&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,839&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">66,553&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Four Corners coal reclamation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2038</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,461&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">49,703&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,460&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">49,435&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; deferred investment tax credit</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2049</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,231&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">48,507&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,231&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">48,648&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Spent nuclear fuel</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2027</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,831&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">43,059&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,768&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">44,221&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Renewable energy standard (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">34,460&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">30&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">39,442&#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:'Times New Roman',sans-serif;font-size:10pt;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><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power &#8212; mark-to-market (Note 7)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">20,829&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Property tax deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,022&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,856&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Sundance maintenance</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2031</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,867&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,910&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,989&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,508&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Demand side management (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,821&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,975&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,819&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">FERC transmission true up</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,630&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,379&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,598&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,008&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">TCA balancing account (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,315&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,754&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,902&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,672&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense adjustor mechanism (b) (e)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,452&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,089&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred gains on utility property</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,423&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">939&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,423&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,544&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Active union medical trust</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,337&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,057&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Various</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">524&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">59&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">409&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">189&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">250,228&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,427,769&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">229,088&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,450,169&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/></tr></table></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.8pt">For purposes of presentation on the Statement of Cash Flows, amortization of the regulatory liabilities for excess deferred income taxes are reflected as &#8220;Deferred income taxes&#8221; under Cash Flows From Operating Activities.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See &#8220;Cost Recovery Mechanisms&#8221; discussion above.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">In accordance with regulatory accounting guidance, APS accrues removal costs for its regulated assets, even if there is no legal obligation for removal.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(d)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See Note 5.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(e)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Pursuant to Decision 77852, the ACC has authorized APS to return to customers up to $7&#160;million of liability recorded to the TEAM balancing account through December 31, 2021.  Should new base rates become effective prior to December 31, 2021, any remaining unreturned balance is anticipated to be included in the new base rates.</span></div><span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506958072">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Retirement Plans and Other Postretirement Benefits<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_CompensationAndRetirementDisclosureAbstract', window );"><strong>Retirement Benefits [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_PensionAndOtherPostretirementBenefitsDisclosureTextBlock', window );">Retirement Plans and Other Postretirement Benefits</a></td>
<td class="text">Retirement Plans and Other Postretirement Benefits <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West sponsors a qualified defined benefit and account balance pension plan, a non-qualified supplemental excess benefit retirement plan, and other postretirement benefit plans for the employees of Pinnacle West and our subsidiaries.&#160; The other postretirement benefit plans include a group life and medical plan and a post-65 retiree health reimbursement arrangement (&#8220;HRA&#8221;).  Pinnacle West uses a December&#160;31 </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">measurement date each year for its pension and other postretirement benefit plans.&#160; The market-related value of our plan assets is their fair value at the measurement date.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Under the HRA, included in the other postretirement benefit plan, the Company provides a subsidy to retirees to defray the cost of a Medicare supplemental policy.  In prior years, we had been assuming a 4.75% escalation of these benefits; however, actual escalation has been significantly less than this assumption. Accordingly, during 2020 and for future periods, the escalation assumption was reduced to 2.00%.  This escalation factor assumption change, among other factors, resulted in an increase in the over-funded status of the other postretirement benefit plan as of December 31, 2020.  As a result, on January 4, 2021, we initiated the transfer of approximately $106&#160;million of assets from the other postretirement benefit plan into the Active Union Employee Medical Account. The Active Union Employee Medical Account is an existing trust account that holds assets restricted for paying active union employee medical costs (see Note 12).  The transfer of other postretirement benefit plan assets into the Active Union Employee Medical Account permits access to approximately $106&#160;million of assets for the sole purpose of paying active union employee medical benefits. This transfer of assets into the Active Union Employee Medical Account is consistent with the terms of a similar 2018 transaction. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides details of the plans&#8217; net periodic benefit costs and the portion of these costs charged to expense (including administrative costs and excluding amounts capitalized as overhead construction or billed to electric plant participants) (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.695%"/><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:8.402%"/><td style="width:0.1%"/><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 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:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.409%"/><td style="width:0.1%"/><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="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Pension&#160;Benefits</span></td><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="padding:0 1pt"/><td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other&#160;Benefits</span></td><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="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Service cost &#8212; benefits earned during the period</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,679&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">14,257&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,557&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,717&#160;</span></td><td style="background-color:#cceeff;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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Non-service costs (credits):</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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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="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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Interest cost on benefit obligation</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,669&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">29,761&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,162&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,512&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Expected return on plan 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(50,608)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(46,806)</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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(10,361)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(10,019)</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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Amortization of:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><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 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Prior service credit</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,427)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,394)</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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Net actuarial loss (gain)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,985&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,011&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,405)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net periodic benefit cost/(benefit)</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(6,275)</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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,223&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(13,474)</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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(7,184)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Portion of cost/(benefit) charged to expense</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(8,011)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,342&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,528)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(5,456)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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 style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Contributions</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have not made voluntary contributions to our pension plan year-to-date in 2021.  The minimum required contributions for the pension plan are zero for the next three years.  We expect to make voluntary contributions up to $100 million in 2021 and zero in 2022 and 2023.  We do not expect to make any contributions over this period to our other postretirement benefit plans.</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 retirement benefits.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506736824">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Palo Verde Sale Leaseback Variable Interest Entities<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_pnw_VariableInterestEntitiesAbstract', window );"><strong>Variable Interest Entities [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_VariableInterestEntityDisclosureTextBlock', window );">Palo Verde Sale Leaseback Variable Interest Entities</a></td>
<td class="text">Palo Verde Sale Leaseback Variable Interest Entities <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In 1986, APS entered into agreements with three separate VIE lessor trust entities in order to sell and lease back interests in Palo Verde Unit 2 and related common facilities.  </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Prior to April 1, 2021, the lease terms allowed APS the right to retain the assets through 2023 under one lease and 2033 under the other two leases.  On April 1, 2021, APS executed an amended lease agreement with one of the VIE lessor trust entities relating to the lease agreement with the term ending in 2023.  The amendment extends the lease term for this lease through 2033 and changes the lease payment.  As a result of this amendment, APS will now retain the assets through 2033 under all three lease agreements.  APS will be required to make payments relating to the three leases in total of approximately $21 million annually for the period 2021 through 2033.  At the end of the lease period, APS will have the option to purchase the leased assets at their fair market value, extend the leases for up to two years, or return the assets to the lessors.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The leases&#8217; terms give APS the ability to utilize the assets for a significant portion of the assets&#8217; economic life, and therefore provide APS with the power to direct activities of the VIEs that most significantly impact the VIEs&#8217; economic performance.&#160; Predominantly due to the lease terms, APS has been deemed the primary beneficiary of these VIEs and therefore consolidates the VIEs.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As a result of consolidation, we eliminate lease accounting and instead recognize depreciation expense, resulting in an increase in net income for the three months ended March 31, 2021 and 2020 of $5 million, entirely attributable to the noncontrolling interests.  Income attributable to Pinnacle West shareholders is not impacted by the consolidation. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our Condensed Consolidated Balance Sheets at March&#160;31, 2021 and December&#160;31, 2020 include the following amounts relating to the VIEs (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:68.153%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.687%"/><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:14.128%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">March 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">97,068&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">98,036&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Equity &#8212; Noncontrolling 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">124,164&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">119,290&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Assets of the VIEs are restricted and may only be used for payment to the noncontrolling interest holders.  These assets are reported on our condensed consolidated financial statements.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is exposed to losses relating to these VIEs upon the occurrence of certain events that APS does not consider to be reasonably likely to occur.&#160; Under certain circumstances (for example, the Nuclear Regulatory Commission (&#8220;NRC&#8221;) issuing specified violation orders with respect to Palo Verde or the occurrence of specified nuclear events), APS would be required to make specified payments to the VIEs&#8217; noncontrolling equity participants and take title to the leased Unit 2 interests, which, if appropriate, may be required to be written down in value.&#160; If such an event were to occur during the lease periods, APS may be required to pay the noncontrolling equity participants approximately $307 million beginning in 2021, and up to $501 million over the lease terms. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">For regulatory ratemaking purposes, the agreements continue to be treated as operating leases and, as a result, we have recorded a regulatory asset relating to the arrangements.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Variable Interest Entities [Abstract]</p></div>
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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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506969512">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative Accounting<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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 );">Derivative Accounting</a></td>
<td class="text">Derivative Accounting <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Derivative financial instruments are used to manage exposure to commodity price and transportation costs of electricity, natural gas, emissions allowances, and in interest rates.&#160; Risks associated with market volatility are managed by utilizing various physical and financial derivative instruments, including futures, forwards, options and swaps.&#160; As part of our overall risk management program, we may use derivative instruments to hedge purchases and sales of electricity and natural gas.&#160; Derivative instruments that meet certain hedge accounting criteria may be designated as cash flow hedges and are used to limit our exposure to cash flow variability on forecasted transactions.&#160; The changes in market value of such instruments have a high correlation to price changes in the hedged transactions.&#160; Derivative instruments are also entered into for economic hedging purposes.&#160; While economic hedges may mitigate exposure to fluctuations in commodity prices, these instruments have not been designated as accounting hedges.&#160; Contracts that have the same terms (quantities, delivery points and delivery periods) and for which power does not flow are netted, which reduces both revenues and fuel and purchased power costs in our Condensed Consolidated Statements of Income, but does not impact our financial condition, net income or cash flows.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our derivative instruments, excluding those qualifying for a scope exception, are recorded on the balance sheets as an asset or liability and are measured at fair value.&#160; See Note 11 for a discussion of fair value measurements.&#160; Derivative instruments may qualify for the normal purchases and normal sales scope exception if they require physical delivery and the quantities represent those transacted in the normal course of business.&#160; Derivative instruments qualifying for the normal purchases and sales scope exception are accounted for under the accrual method of accounting and excluded from our derivative instrument discussion and disclosures below. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">For its regulated operations, APS defers for future rate treatment 100% of the unrealized gains and losses on derivatives pursuant to the PSA mechanism that would otherwise be recognized in income.&#160; Realized gains and losses on derivatives are deferred in accordance with the PSA to the extent the amounts are above or below the Base Fuel Rate (see Note 4).&#160; Gains and losses from derivatives in the following tables represent the amounts reflected in income before the effect of PSA deferrals.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the outstanding gross notional volume of derivatives, which represent both purchases and sales (does not reflect net position):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:15.444%"/><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:30.525%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:24.083%"/><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:24.084%"/><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="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Quantity</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Commodity</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Unit of Measure</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Power</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">GWh</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">368&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">368&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Billion cubic feet</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">211&#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:'Times New Roman',sans-serif;font-size:10pt;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"/></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Gains and Losses from Derivative Instruments</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about APS&#8217;s gains and losses from derivative instruments in designated cash flow accounting hedging relationships (dollars in thousands):</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:51.970%"/><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:26.385%"/><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:7.525%"/><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:7.530%"/><td style="width:0.1%"/><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 style="height:36pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Financial&#160;Statement Location</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Commodity&#160;Contracts</span></td><td colspan="3" style="padding:0 1pt"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td><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"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Loss Reclassified from Accumulated OCI into Income (Effective Portion Realized) (a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Fuel and purchased power (b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(414)</span></td><td style="background-color:#cceeff;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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">During the three months ended March 31, 2021 and 2020, we had no gains or losses reclassified from accumulated OCI to earnings </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">related to discontinued cash flow hedges</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Amounts are before the effect of PSA deferrals.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">During the next twelve months, we estimate that no amounts will be reclassified from accumulated OCI into income.  For APS, the delivery period for all derivative instruments in designated cash flow accounting hedging relationships have lapsed. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about gains and losses from derivative instruments not designated as accounting hedging instruments (dollars in thousands):</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:50.800%"/><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:25.069%"/><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: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:0.1%"/><td style="width:0.537%"/><td style="width:0.1%"/></tr><tr style="height:23pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Financial&#160;Statement Location</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="padding:0 1pt"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Commodity&#160;Contracts</span></td><td colspan="3" style="padding:0 1pt"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net Gain (Loss) Recognized in Income</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Fuel and purchased power (a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">26,859&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(30,078)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Amounts are before the effect of PSA deferrals.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Derivative Instruments in the Condensed Consolidated Balance Sheets</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our derivative transactions are typically executed under standardized or customized agreements, which include collateral requirements and, in the event of a default, would allow for the netting of positive and negative exposures associated with a single counterparty.&#160; Agreements that allow for the offsetting of positive and negative exposures associated with a single counterparty are considered master netting arrangements.&#160; Transactions with counterparties that have master netting arrangements are offset and reported net on the Condensed Consolidated Balance Sheets.&#160; Transactions that do not allow for offsetting of positive and negative positions are reported gross on the Condensed Consolidated Balance Sheets.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We do not offset a counterparty&#8217;s current derivative contracts with the counterparty&#8217;s non-current derivative contracts, although our master netting arrangements would allow current and non-current positions to be offset in the event of a default.&#160;&#160;These types of transactions may include non-derivative instruments, derivatives qualifying for scope exceptions, trade receivables and trade payables arising from settled positions, and other forms of non-cash collateral (such as letters of credit).&#160; These types of transactions are excluded from the offsetting tables presented below.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following tables provide information about the fair value of our risk management activities reported on a gross basis and the impacts of offsetting.&#160; These amounts relate to commodity contracts and are located in the assets and liabilities from risk management activities and other assets lines of our Condensed Consolidated Balance Sheets.</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:30.718%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.805%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">As of March 31, 2021:<br/>&#160;(dollars in thousands)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Gross</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(a)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amounts<br/>Offset<br/>&#160;(b)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Net</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(c)</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amount</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Reported&#160;on</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Balance Sheet</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,703&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,092)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">22,611&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">22,611&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investments and other assets</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,990&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(790)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,200&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,200&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">29,693&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,882)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;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;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;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(4,874)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,092&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,782)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,067)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(7,718)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">790&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,928)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,928)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,592)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,882&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(8,710)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(9,995)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">17,101&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">17,101&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">15,816&#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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">All of our gross recognized derivative instruments were subject to master netting arrangements.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents cash collateral that is not subject to offsetting.  Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions or collateral posted in excess of the recognized derivative instrument.&#160;Includes cash collateral received from counterparties of $1,285.</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:30.718%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.805%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">As of December 31, 2020:<br/>&#160;(dollars in thousands)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Gross</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(a)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amounts<br/>Offset<br/>(b)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Net</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(c)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amount<br/>Reported&#160;on<br/>Balance Sheet</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">5,870&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(2,939)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,931&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,931&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investments and other assets</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,150&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,332)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,818&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,818&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">9,020&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(4,271)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;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:1pt solid #000000;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(9,211)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,939&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,272)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(7,557)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,394)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,332&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(11,062)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(11,062)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(21,605)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,271&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(17,334)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(18,619)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,585)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,585)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(13,870)</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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">All of our gross recognized derivative instruments were subject to master netting arrangements.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents cash collateral and cash margin that is not subject to offsetting. Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions, or collateral and margin posted in excess of the recognized derivative instrument.&#160; Includes cash collateral received from counterparties of $1,285.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Credit Risk and Credit Related Contingent Features</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We are exposed to losses in the event of nonperformance or nonpayment by counterparties and have risk management contracts with many counterparties.  As of March&#160;31, 2021, we have one counterparty for which our exposure represents approximately 59% of Pinnacle West&#8217;s $26 million of risk management assets.  This exposure relates to a master agreement with a counterparty that is rated as investment grade.  Our risk management process assesses and monitors the financial exposure of all counterparties.&#160; Despite the fact that the great majority of our trading counterparties&#8217; debt is rated as investment grade by the credit rating agencies, there is still a possibility that one or more of these companies could default, resulting in a material impact on consolidated earnings for a given period. Counterparties in the portfolio consist principally of financial institutions, major energy companies, municipalities and local distribution companies.&#160; We maintain credit policies that we believe minimize overall credit risk to within acceptable limits.&#160; Determination of the credit quality of our counterparties is based upon a number of factors, including credit ratings and our evaluation of their financial condition.&#160; To manage credit risk, we employ collateral requirements and standardized agreements that allow for the netting of positive and negative exposures associated with a single counterparty.&#160; Valuation adjustments are established representing our estimated credit losses on our overall exposure to counterparties.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Certain of our derivative instrument contracts contain credit-risk-related contingent features including, among other things, investment grade credit rating provisions, credit-related cross-default provisions, and adequate assurance provisions.&#160; Adequate assurance provisions allow a counterparty with reasonable grounds for uncertainty to demand additional collateral based on subjective events and/or conditions.&#160; For those derivative instruments in a net liability position, with investment grade credit contingencies, the counterparties could demand additional collateral if our debt credit rating were to fall below investment grade (below BBB- for Standard&#160;&amp; Poor&#8217;s or Fitch or Baa3 for Moody&#8217;s).</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about our derivative instruments that have credit-risk-related contingent features (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:83.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.105%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Aggregate fair value of derivative instruments in a net liability position</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,520&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Cash collateral posted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Additional cash collateral in the event credit-risk-related contingent features were fully triggered (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,674&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">This amount is after counterparty netting and includes those contracts which qualify for scope exceptions, which are excluded from the derivative details above.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;We also have energy-related non-derivative instrument contracts with investment grade credit-related contingent features, which could also require us to post additional collateral of approximately $86 million if our debt credit ratings were to fall below investment grade.</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 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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660623204472">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_CommitmentsAndContingenciesDisclosureTextBlock', window );">Commitments and Contingencies</a></td>
<td class="text">Commitments and Contingencies <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Palo Verde Generating Station </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Spent Nuclear Fuel and Waste Disposal</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On December&#160;19, 2012, APS, acting on behalf of itself and the participant owners of Palo Verde, filed a second breach of contract lawsuit against the United States Department of Energy (&#8220;DOE&#8221;) in the United States Court of Federal Claims (&#8220;Court of Federal Claims&#8221;).&#160; The lawsuit sought to recover damages incurred due to DOE&#8217;s breach of the Contract for Disposal of Spent Nuclear Fuel and/or High Level Radioactive Waste (&#8220;Standard Contract&#8221;) for failing to accept Palo Verde&#8217;s spent nuclear fuel and high level waste from January&#160;1, 2007 through June&#160;30, 2011, as it was required to do pursuant to the terms of the Standard Contract and the Nuclear Waste Policy Act.&#160; On August 18, 2014, APS and DOE entered into a settlement agreement, stipulating to a dismissal of the lawsuit and payment by DOE to the Palo Verde owners for certain specified costs incurred by Palo Verde during the period January 1, 2007 through June 30, 2011.  In addition, the settlement agreement, as amended, provides APS with a method for submitting claims and getting recovery for costs incurred through December 31, 2022.   </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has submitted six claims pursuant to the terms of the August 18, 2014 settlement agreement, for six separate time periods during July 1, 2011 through June 30, 2019.  The DOE has approved and paid $99.7 million for these claims (APS&#8217;s share is $29.0 million).  The amounts recovered were primarily recorded as adjustments to a regulatory liability and had no impact on reported net income.  In accordance with the 2017 Rate Case Decision, this regulatory liability is being refunded to customers (see Note 4).  On November 2, 2020, APS filed its seventh claim pursuant to the terms of the August 18, 2014 settlement agreement in the amount of $12.2 million (APS&#8217;s share is $3.6 million).  On March 15, 2021, the DOE approved a payment of $12.1&#160;million (APS&#8217;s share is $3.5&#160;million) and on April 16, 2021, APS received this payment.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Nuclear Insurance </span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Public liability for incidents at nuclear power plants is governed by the Price-Anderson Nuclear Industries Indemnity Act (&#8220;Price-Anderson Act&#8221;), which limits the liability of nuclear reactor owners to the amount of insurance available from both commercial sources and an industry-wide retrospective payment plan.&#160; In accordance with the Price-Anderson Act, the Palo Verde participants are insured against public liability for a nuclear incident of up to approximately $13.7 billion per occurrence.  Palo Verde maintains the maximum available nuclear liability insurance in the amount of $450 million, which is provided by American Nuclear Insurers (&#8220;ANI&#8221;).&#160; The remaining balance of approximately $13.2 billion of liability coverage is provided through a mandatory industry-wide retrospective premium program.&#160; If losses at any nuclear power plant covered by the program exceed the accumulated funds, APS could be responsible for retrospective premiums.&#160; The maximum retrospective premium per reactor under the program for each nuclear liability incident is approximately $137.6 million, subject to a maximum annual premium of approximately $20.5 million per incident.&#160; Based on APS&#8217;s ownership interest in the three Palo Verde units, APS&#8217;s maximum retrospective premium per incident for all three units is approximately $120.1 million, with a maximum annual retrospective premium of approximately $17.9 million.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Palo Verde participants maintain insurance for property damage to, and decontamination of, property at Palo Verde in the aggregate amount of $2.8 billion.&#160; APS has also secured accidental outage insurance for a sudden and unforeseen accidental outage of any of the three units.&#160; The property damage, decontamination, and accidental outage insurance are provided by Nuclear Electric Insurance Limited (&#8220;NEIL&#8221;).&#160; APS is subject to retrospective premium adjustments under all NEIL policies if NEIL&#8217;s losses in any policy year exceed accumulated funds.  The maximum amount APS could incur under the current NEIL </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">policies totals approximately $22.4&#160;million for each retrospective premium assessment declared by NEIL&#8217;s Board of Directors due to losses.&#160; In addition, NEIL policies contain rating triggers that would result in APS providing approximately $63.3 million of collateral assurance within 20 business days of a rating downgrade to non-investment grade.&#160; The insurance coverage discussed in this and the previous paragraph is subject to certain policy conditions, sublimits and exclusions.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Contractual Obligations</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As of March 31, 2021, our fuel and purchased power commitments have increased from the information provided in our 2020 Form 10-K.  The increase is primarily due to new purchased power and energy storage commitments of approximately $550&#160;million.  The majority of the changes relate to 2026 and thereafter.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Other than the item described above, there have been no material changes, as of March 31, 2021, outside the normal course of business in contractual obligations from the information provided in our 2020 Form 10-K.  See Note 3 for discussion regarding changes in our short-term and long-term debt obligations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Superfund-Related Matters </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Comprehensive Environmental Response Compensation and Liability Act (&#8220;Superfund&#8221; or &#8220;CERCLA&#8221;) establishes liability for the cleanup of hazardous substances found contaminating the soil, water or air.&#160; Those who released, generated, transported to or disposed of hazardous substances at a contaminated site are among the parties who are potentially responsible (&#8220;PRPs&#8221;).&#160; PRPs may be strictly, and often are jointly and severally, liable for clean-up.&#160; On September&#160;3, 2003, EPA advised APS that EPA considers APS to be a PRP in the Motorola 52</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7.47pt;font-weight:400;line-height:120%;position:relative;top:-4.02pt;vertical-align:baseline">nd</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;Street Superfund Site, Operable Unit 3 (&#8220;OU3&#8221;) in Phoenix, Arizona.&#160; APS has facilities that are within this Superfund site.&#160; APS and Pinnacle West have agreed with EPA to perform certain investigative activities of the APS facilities within OU3.&#160; In addition, on September&#160;23, 2009, APS agreed with EPA and one other PRP to voluntarily assist with the funding and management of the site-wide groundwater remedial investigation and feasibility study (&#8220;RI/FS&#8221;).&#160; Based upon discussions between the OU3 working group parties and EPA, along with the results of recent technical analyses prepared by the OU3 working group to supplement the RI/FS for OU3, APS anticipates finalizing the RI/FS during the second quarter of 2021.  We estimate that our costs related to this investigation and study will be approximately $3 million.&#160; We anticipate incurring additional expenditures in the future, but because the overall investigation is not complete and ultimate remediation requirements are not yet finalized, at the present time expenditures related to this matter cannot be reasonably estimated.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On August&#160;6, 2013, the Roosevelt Irrigation District (&#8220;RID&#8221;) filed a lawsuit in Arizona District Court against APS and 24 other defendants, alleging that RID&#8217;s groundwater wells were contaminated by the release of hazardous substances from facilities owned or operated by the defendants.&#160; The lawsuit also alleges that, under Superfund laws, the defendants are jointly and severally liable to RID.&#160; The allegations against APS arise out of APS&#8217;s current and former ownership of facilities in and around OU3.&#160; As part of a state governmental investigation into groundwater contamination in this area, on January 25, 2015, the Arizona Department of Environmental Quality (&#8220;ADEQ&#8221;) sent a letter to APS seeking information concerning the degree to which, if any, APS&#8217;s current and former ownership of these facilities may have contributed to groundwater contamination in this area.&#160; APS responded to ADEQ on May 4, 2015.  On December 16, 2016, two RID environmental and engineering contractors filed an ancillary lawsuit for recovery of costs against APS and the other defendants in the RID litigation.  That same day, another RID service provider filed an additional ancillary CERCLA lawsuit against certain of the defendants in the main RID litigation, but excluded APS and certain other parties as named defendants.  Because the ancillary lawsuits concern past costs allegedly incurred </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">by these RID vendors, which were ruled unrecoverable directly by RID in November of 2016, the additional lawsuits do not increase APS&#8217;s exposure or risk related to these matters.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On April 5, 2018, RID and the defendants in that particular litigation executed a settlement agreement, fully resolving RID&#8217;s CERCLA claims concerning both past and future cost recovery.  APS&#8217;s share of this settlement was immaterial.  In addition, the two environmental and engineering vendors voluntarily dismissed their lawsuit against APS and the other named defendants without prejudice.  An order to this effect was entered on April 17, 2018.  With this disposition of the case, the vendors may file their lawsuit again in the future.  On August 16, 2019, Maricopa County, one of the three direct defendants in the service provider lawsuit, filed a third-party complaint seeking contribution for its liability, if any, from APS and 28 other third-party defendants.  We are unable to predict the outcome of these matters; however, we do not expect the outcome to have a material impact on our financial position, results of operations or cash flows. </span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Arizona Attorney General Matter</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">APS received civil investigative demands from the Attorney General seeking information pertaining to the rate plan comparison tool offered to APS customers and other related issues including implementation of rates from the 2017 Settlement Agreement and its Customer Education and Outreach Plan associated with the 2017 Settlement Agreement.  APS fully cooperated with the Attorney General&#8217;s Office in this matter.   On February 22, 2021 APS entered into a consent agreement with the Attorney General as a way to settle the matter.  The settlement results in APS paying $24.75&#160;million, $24&#160;million of which is being returned to customers as restitution.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Environmental Matters</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS is subject to numerous environmental laws and regulations affecting many aspects of its present and future operations, including air emissions of both conventional pollutants and greenhouse gases, water quality, wastewater discharges, solid waste, hazardous waste, and coal combustion residuals (&#8220;CCRs&#8221;).&#160; These laws and regulations can change from time to time, imposing new obligations on APS resulting in increased capital, operating, and other costs.&#160; Associated capital expenditures or operating costs could be material.&#160; APS intends to seek recovery of any such environmental compliance costs through our rates but cannot predict whether it will obtain such recovery.&#160; The following proposed and final rules&#160;involve material compliance costs to APS.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Regional Haze Rules.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> APS has received the final rulemaking imposing pollution control requirements on Four Corners.  EPA required the plant to install pollution control equipment that constitutes best available retrofit technology (&#8220;BART&#8221;) to lessen the impacts of emissions on visibility surrounding the plant.  In addition, EPA issued a final rule for Regional Haze compliance at Cholla that does not involve the installation of new pollution controls and that will replace an earlier BART determination for this facility.  See below for details of the Cholla BART approval.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">Four Corners.  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Based on EPA&#8217;s final standards, APS&#8217;s 63% share of the cost of required controls for Four Corners Units 4 and 5 was approximately $400 million, which has been incurred.&#160; In addition, APS and El Paso Electric Company (&#8220;El Paso&#8221;) entered into an asset purchase agreement providing for the purchase by APS, or an affiliate of APS, of El Paso&#8217;s 7% interest in Four Corners Units 4 and 5.  4CA purchased the El Paso interest on July 6, 2016.  Navajo Transitional Energy Company, LLC (&#8220;NTEC&#8221;) purchased the interest from 4CA on July 3, 2018.  See &#8220;Four Corners &#8212; 4CA Matter&#8221; below for a discussion of the NTEC purchase.  The cost of the pollution controls related to the 7% interest is approximately $45 million, which was assumed by NTEC through its purchase of the 7% interest.  </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:400;line-height:120%">Cholla</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.  In early 2017, EPA approved a final rule containing a revision to Arizona&#8217;s State Implementation Plan (&#8220;SIP&#8221;) for Cholla that implemented BART requirements for this facility, which did not require the installation of any new pollution control capital improvements.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In conjunction with the closure of Cholla Unit 2 in 2015, APS has committed to ceasing coal combustion within Units 1 and 3 by April 2025.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">PacifiCorp retired Cholla Unit 4 at the end of 2020.  (See &#8220;Cholla&#8221; in Note 4 for information regarding future plans for Cholla and details related to the resulting regulatory asset).</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:10pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Coal Combustion Waste</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">  On December 19, 2014, EPA issued its final regulations governing the handling and disposal of CCR, such as fly ash and bottom ash.  The rule regulates CCR as a non-hazardous waste under Subtitle D of the Resource Conservation and Recovery Act (&#8220;RCRA&#8221;) and establishes national minimum criteria for existing and new CCR landfills and surface impoundments and all lateral expansions.  These criteria include standards governing location restrictions, design and operating criteria, groundwater monitoring and corrective action, closure requirements and post closure care, and recordkeeping, notification, and internet posting requirements.  The rule generally requires any existing unlined CCR surface impoundment to stop receiving CCR and either retrofit or close, and further requires the closure of any CCR landfill or surface impoundment that cannot meet the applicable performance criteria for location restrictions or structural integrity.  Such closure requirements are deemed &#8220;forced closure&#8221; or &#8220;closure for cause&#8221; of unlined surface impoundments and are the subject of recent regulatory and judicial activities described below.</span></div><div style="margin-bottom:10pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Since these regulations were finalized, EPA has taken steps to substantially modify the federal rules governing CCR disposal.  While certain changes have been prompted by utility industry petitions, others have resulted from judicial review, court-approved settlements with environmental groups, and statutory changes to RCRA.  The following lists the pending regulatory changes that, if finalized, could have a material impact as to how APS manages CCR at its coal-fired power plants:</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">Following the passage of the Water Infrastructure Improvements for the Nation Act in 2016, EPA possesses authority to either authorize states to develop their own permit programs for CCR management or issue federal permits governing CCR disposal both in states without their own permit programs and on tribal lands.  Although ADEQ has taken steps to develop a CCR permitting program, it is not clear when that program will be put into effect.  On December 19, 2019, EPA proposed its own set of regulations governing the issuance of CCR management permits.  </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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">On March 1, 2018, as a result of a settlement with certain environmental groups, EPA proposed adding boron to the list of constituents that trigger corrective action requirements to remediate groundwater impacted by CCR disposal activities.  Apart from a subsequent proposal issued on August 14, 2019 to add a specific, health-based groundwater protection standard for boron, EPA has yet to take action on this proposal.  </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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">Based on an August 21, 2018 D.C. Circuit decision, which vacated and remanded those provisions of the EPA CCR regulations that allow for the operation of unlined CCR surface impoundments, EPA recently proposed corresponding changes to federal CCR regulations.  On July 29, 2020, EPA took final action on new regulations establishing revised deadlines for initiating the closure of unlined CCR surface impoundments; such disposal units were closed as of April 11, 2021.  </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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:13.98pt">On November 4, 2019, EPA also proposed to change the manner by which facilities that have committed to cease burning coal in the near-term may qualify for alternative closure.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Such qualification would allow CCR disposal units at these plants to continue operating, even though they would otherwise be subject to forced closure under the federal CCR regulations.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">EPA&#8217;s July 29, 2020 final regulation adopted this proposal and now requires explicit EPA approval for facilities to utilize an alternative closure deadline.  With respect to the Cholla facility, APS&#8217;s application for alternative closure (which would allow the continued disposal of CCR within the facility&#8217;s existing unlined CCR </span></div><div style="padding-left:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">surface impoundments until the required date for ceasing coal-fired boiler operations in April 2025) was submitted to EPA on November 30, 2020 and is currently pending.  This application will be subject to public comment and, potentially, judicial review.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We cannot at this time predict the outcome of these regulatory proceedings or when the EPA will take final action on those matters that are still pending.  Depending on the eventual outcome, the costs associated with APS&#8217;s management of CCR could materially increase, which could affect APS&#8217;s financial position, results of operations, or cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS currently disposes of CCR in ash ponds and dry storage areas at Cholla and Four Corners.  APS estimates that its share of incremental costs to comply with the CCR rule for Four Corners is approximately $27 million and its share of incremental costs to comply with the CCR rule for Cholla is approximately $16 million.  The Navajo Plant disposed of CCR only in a dry landfill storage area.  To comply with the CCR rule for the Navajo Plant, APS&#8217;s share of incremental costs was approximately $1 million, which has been incurred.  Additionally, the CCR rule requires ongoing, phased groundwater monitoring. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As of October 2018, APS has completed the statistical analyses for its CCR disposal units that triggered assessment monitoring.  APS determined that several of its CCR disposal units at Cholla and Four Corners will need to undergo corrective action.  In addition, under the current regulations, all such disposal units must have ceased operating and initiated closure by October 31, 2020.  APS initiated an assessment of corrective measures on January 14, 2019 and expects such assessment will continue through mid- to late-2021.  As part of this assessment, APS continues to gather additional groundwater data and perform remedial evaluations as to the CCR disposal units at Cholla and Four Corners undergoing corrective action.  In addition, APS will solicit input from the public, host public hearings, and select remedies as part of this process.  Based on the work performed to date, APS currently estimates that its share of corrective action and monitoring costs at Four Corners will likely range from $10 million to $15 million, which would be incurred over 30 years.  The analysis needed to perform a similar cost estimate for Cholla remains ongoing at this time.  As APS continues to implement the CCR rule&#8217;s corrective action assessment process, the current cost estimates may change.  Given uncertainties that may exist until we have fully completed the corrective action assessment process, we cannot predict any ultimate impacts to the Company; however, at this time we do not believe the cost estimates for Cholla and any potential change to the cost estimate for Four Corners would have a material impact on our financial position, results of operations or cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Clean Power Plan/Affordable Clean Energy Regulations</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.  On June 19, 2019, EPA took final action on its proposals to repeal EPA&#8217;s 2015 Clean Power Plan (&#8220;CPP&#8221;) and replace those regulations with a new rule, the Affordable Clean Energy (&#8220;ACE&#8221;) regulations.  EPA originally finalized the CPP on August 3, 2015, and such rules would have had far broader impact on the electric power sector than the ACE regulations.  The ACE regulations had been stayed pending judicial review and on January 19, 2021, the U.S. Court of Appeals for the D.C. Circuit vacated the ACE regulations and remanded them back to EPA to develop new existing power plant carbon regulations consistent with the court&#8217;s ruling.  That ruling endorsed an expansive view of the federal Clean Air Act consistent with EPA&#8217;s 2015 CPP.  While the Biden administration has expressed an intent to regulate carbon emissions in this sector more aggressively under the Clean Air Act, we cannot at this time predict the outcome of pending EPA rulemaking proceedings in response to the court&#8217;s recent ACE decision.  </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">                Other environmental rules that could involve material compliance costs include those related to effluent limitations, the ozone national ambient air quality standard and other rules or matters involving the Clean Air Act, Clean Water Act, Endangered Species Act, RCRA, Superfund, the Navajo Nation, and water supplies for our power plants.  The financial impact of complying with current and future environmental rules could jeopardize the economic viability of our coal plants or the willingness or ability of power plant participants to fund any required equipment upgrades or continue their participation in these plants.  The economics of continuing to own certain resources, particularly our coal plants, may deteriorate, warranting early retirement of those plants, which may result in asset impairments.  APS would seek recovery in rates for the book value of any remaining investments in the plants as well as other costs related to early retirement, but cannot predict whether it would obtain such recovery.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Four Corners National Pollutant Discharge Elimination System (&#8220;NPDES&#8221;) Permit</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 16, 2018, several environmental groups filed a petition for review before the EPA Environmental Appeals Board (&#8220;EAB&#8221;) concerning the NPDES wastewater discharge permit for Four Corners, which was reissued on June 12, 2018.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The environmental groups allege that the permit was reissued in contravention of several requirements under the Clean Water Act and did not contain required provisions concerning EPA&#8217;s 2015 revised effluent limitation guidelines for steam-electric EGUs, 2014 existing-source regulations governing cooling-water intake structures, and effluent limits for surface seepage and subsurface discharges from coal-ash disposal facilities.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">To address certain of these issues through a reconsidered permit, EPA took action on December 19, 2018 to withdraw the NPDES permit reissued in June 2018.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Withdrawal of the permit moots the EAB appeal, and EPA filed a motion to dismiss on that basis.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The EAB thereafter dismissed the environmental group appeal on February 12, 2019.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">EPA then issued a revised final NPDES permit for Four Corners on September 30, 2019.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Based upon a November 1, 2019 filing by several environmental groups, the EAB again took up review of the Four Corners NPDES Permit.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Oral argument on this appeal was held on September 3, 2020 and the EAB denied the environmental group petition on September 30, 2020.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On January 22, 2021, the environmental groups filed a petition for review of the EAB&#8217;s decision with the U.S. Court of Appeals for the Ninth Circuit.  We cannot predict the outcome of these appeal proceedings and, if such appeal is successful, whether that outcome will have a material impact on our financial position, results of operations, or cash flows.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Four Corners </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#8212;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%"> 4CA Matter</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">On July 6, 2016, 4CA purchased El Paso&#8217;s 7% interest in Four Corners.  NTEC purchased this 7% interest on July 3, 2018 from 4CA.  NTEC purchased the 7% interest at 4CA&#8217;s book value, approximately $70 million, and is paying 4CA the purchase price over a period of four years pursuant to a secured interest-bearing promissory note.  The note is secured by a portion of APS&#8217;s payments to be owed to NTEC under the 2016 Coal Supply Agreement.  As of March&#160;31, 2021, the note has a remaining balance of $23 million.  NTEC continues to make payments in accordance with the terms of the note.  Due to its short-remaining term, among other factors, there are no expected credit losses associated with the note. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In connection with the sale, Pinnacle West guaranteed certain obligations that NTEC will have to the other owners of Four Corners, such as NTEC&#8217;s 7% share of capital expenditures and operating and maintenance expenses.  Pinnacle West&#8217;s guarantee is secured by a portion of APS&#8217;s payments to be owed to NTEC under the 2016 Coal Supply Agreement.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The 2016 Coal Supply Agreement contained alternate pricing terms for the 7% interest in the event NTEC did not purchase the interest.  Until the time that NTEC purchased the 7% interest, the alternate pricing provisions were applicable to 4CA as the holder of the 7% interest.  These terms included a formula under which NTEC must make certain payments to 4CA for reimbursement of operations and maintenance costs and </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">a specified rate of return, offset by revenue generated by 4CA&#8217;s power sales.  The amount under this formula for calendar year 2018 (up to the date that NTEC purchased the 7% interest) was approximately $10 million, which was due to 4CA on December 31, 2019.  Such payment was satisfied in January 2020 by NTEC directing to 4CA a prepayment from APS of future coal payment obligations of which the prepayment has been fully utilized as of June 2020. </span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Financial Assurances</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">In the normal course of business, we obtain standby letters of credit and surety bonds from financial institutions and other third parties.  These instruments guarantee our own future performance and provide third parties with financial and performance assurance in the event we do not perform.  These instruments support commodity contract collateral obligations and other transactions.  As of March&#160;31, 2021, standby letters of credit totaled $5.2 million and would have expired in 2021, subsequently in April of 2021 an extension was effective that reset the expiration dates to 2022.  As of March&#160;31, 2021, surety bonds expiring through 2022 totaled $16 million.  The underlying liabilities insured by these instruments are reflected on our balance sheets, where applicable. Therefore, no additional liability is reflected for the letters of credit and surety bonds themselves. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We enter into agreements that include indemnification provisions relating to liabilities arising from or related to certain of our agreements.&#160; Most significantly, APS has agreed to indemnify the equity participants and other parties in the Palo Verde sale leaseback transactions with respect to certain tax matters.&#160; Generally, a maximum obligation is not explicitly stated in the indemnification provisions and, therefore, the overall maximum amount of the obligation under such indemnification provisions cannot be reasonably estimated.&#160; Based on historical experience and evaluation of the specific indemnities, we do not believe that any material loss related to such indemnification provisions is likely.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Pinnacle West has issued parental guarantees and has provided indemnification under certain surety bonds for APS which were not material at March&#160;31, 2021.   In connection with the sale of 4CA&#8217;s 7% interest to NTEC, Pinnacle West is guaranteeing certain obligations that NTEC will have to the other owners of Four Corners.  (See &#8220;Four Corners &#8212; 4CA Matter&#8221; above for information related to this guarantee).  Pinnacle West has not needed to perform under this guarantee.  A maximum obligation is not explicitly stated in the guarantee and, therefore, the overall maximum amount of the obligation under such guarantee cannot be reasonably estimated; however, we consider the fair value of this guarantee, including expected credit losses, to be immaterial.</span></div>In connection with BCE&#8217;s acquisition of minority ownership positions in the Clear Creek and Nobles 2 wind farms, Pinnacle West has issued parental guarantees to guarantee the obligations of BCE subsidiaries to make required equity contributions to fund project construction (the &#8220;Equity Contribution Guarantees&#8221;) and to make production tax credit funding payments to borrowers of the projects (the &#8220;PTC Guarantees&#8221;).  The amounts guaranteed by Pinnacle West are reduced as payments are made under the respective guarantee agreements.  The Equity Contribution Guarantees remaining as of March 31, 2021 are immaterial in amount (approximately $2&#160;million) and the PTC Guarantees (approximately $38&#160;million as of March&#160;31, 2021) are currently expected to be terminated ten years following the commercial operation date of the applicable project.<span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508538856">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Income and Other Expense<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="text">Other Income and Other Expense <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table pro</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">vides detail of Pinnacle West&#8217;s Consolidated other income and other expense (dollars in thousands):</span></div><div style="margin-bottom:6pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"><tr><td style="width:1.0%"/><td style="width:74.307%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.492%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.540%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.161%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other income:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Interest income</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,948&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3,277&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Four Corners SCR deferrals (Note 4)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,086&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3,140&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Ocotillo modernization project (Note 4)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,392&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,144&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other income</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">12,429&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">12,569&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other expense:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 7.75pt 0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Non-operating costs</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,937)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,658)</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investment gains (losses) &#8212; net</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(343)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,573)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,186)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other expense</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,853)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(4,784)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>The following table provides detail of APS&#8217;s other income and other expense (dollars in thousands): <table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"><tr><td style="width:1.0%"/><td style="width:74.307%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.492%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.540%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.161%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other income:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Interest 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,481&#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:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,341&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Four Corners SCR deferrals (Note 4)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,086&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3,140&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Ocotillo modernization project (Note 4)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,392&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,144&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other income</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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">11,960&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">11,633&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other expense:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 7.75pt 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Non-operating costs</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,778)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,482)</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,572)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,186)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other 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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,350)</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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(4,668)</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>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherIncomeAndExpensesAbstract">
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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_OtherIncomeAndExpensesAbstract</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 other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions.</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> -URI http://asc.fasb.org/topic&amp;trid=2122503<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 610<br> -URI http://asc.fasb.org/topic&amp;trid=49130413<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508433656">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Earnings Per Share<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [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_EarningsPerShareTextBlock', window );">Earnings Per Share</a></td>
<td class="text">Earnings Per Share <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the calculation of Pinnacle West&#8217;s basic and diluted earnings per share (in thousands, except per share amounts):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.538%"><tr><td style="width:1.0%"/><td style="width:74.122%"/><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:10.769%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.838%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.771%"/><td style="width:0.1%"/><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="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="display:none"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">35,641&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">29,993&#160;</span></td><td style="background-color:#cceeff;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"/><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:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Weighted average common shares outstanding &#8212; basic</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">112,829&#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 colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">112,594&#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 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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net effect of dilutive securities:</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Contingently issuable performance shares and restricted stock units</span></div></td><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">264&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">268&#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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Weighted average common shares outstanding &#8212; diluted</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">113,093&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">112,862&#160;</span></td><td style="background-color:#cceeff;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"/><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:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Earnings per weighted-average common share outstanding</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:24.75pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders &#8212; basic</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.32&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.27&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:24.75pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders &#8212; diluted</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.32&#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 colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.27&#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 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><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for earnings per share.</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 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109243012&amp;loc=SL65017193-207537<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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&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> -URI http://asc.fasb.org/topic&amp;trid=2144383<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 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3630-109257<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506945128">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value Measurements<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_FairValueDisclosuresTextBlock', window );">Fair Value Measurements</a></td>
<td class="text">Fair Value Measurements <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We classify our assets and liabilities that are carried at fair value within the fair value hierarchy.&#160; This hierarchy ranks the quality and reliability of the inputs used to determine fair values, which are then classified and disclosed in one of three categories.&#160; The three levels of the fair value hierarchy are:</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Level 1 &#8212; Inputs are unadjusted quoted prices in active markets for identical assets or liabilities at the measurement date. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Level 2 &#8212; Other significant observable inputs, including quoted prices in active markets for similar assets or liabilities; quoted prices in markets that are not active, and model-derived valuations whose inputs are observable (such as yield curves).</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Level 3 &#8212; Valuation models with significant unobservable inputs that are supported by little or no market activity.&#160; Instruments in this category may include long-dated derivative transactions where valuations are unobservable due to the length of the transaction, options, and transactions in locations where observable market data does not exist.&#160; The valuation models we employ utilize spot prices, forward prices, historical market data and other factors to forecast future prices.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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.&#160; Thus, a valuation may be classified in Level 3 even though the valuation may include significant inputs that are readily observable.&#160; We maximize the use of observable inputs and minimize the use of unobservable inputs.&#160; We rely primarily on the market approach of using prices and other market information for identical and/or comparable assets and liabilities.&#160; If market data is not readily available, inputs may reflect our own assumptions about the inputs market participants would use.&#160; Our assessment of the inputs and the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of fair value assets and liabilities as well as their placement within the fair value hierarchy levels.&#160; We assess whether a market is active by obtaining observable broker quotes, reviewing actual market activity, and assessing the volume of transactions.&#160; We consider broker quotes observable inputs when the quote is binding on the broker, we can validate the quote with market activity, or we can determine that the inputs the broker used to arrive at the quoted price are observable.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Certain instruments have been valued using the concept of Net Asset Value (&#8220;NAV&#8221;) as a practical expedient.  These instruments are typically structured as investment companies offering shares or units to multiple investors for the purpose of providing a return.  These instruments are similar to mutual funds; however, their NAV is generally not published and publicly available, nor are these instruments traded on an exchange.  Instruments valued using NAV as a practical expedient are included in our fair value disclosures; however, in accordance with GAAP are not classified within the fair value hierarchy levels.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Recurring Fair Value Measurements</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We apply recurring fair value measurements to cash equivalents, derivative instruments, and investments held in the nuclear decommissioning trusts and other special use funds.  On an annual basis, we apply fair value measurements to plan assets held in our retirement and other benefit plans.&#160; See Note 8 in the 2020 Form 10-K for fair value discussion of plan assets held in our retirement and other benefit plans.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Cash Equivalents</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Cash equivalents represent certain investments in money market funds that are valued using quoted prices in active markets.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Risk Management Activities &#8212; Derivative Instruments</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Exchange traded commodity contracts are valued using unadjusted quoted prices.&#160; For non-exchange traded commodity contracts, we calculate fair value based on the average of the bid and offer price, discounted to reflect net present value.&#160; We maintain certain valuation adjustments for a number of risks associated with the valuation of future commitments.&#160; These include valuation adjustments for liquidity and credit risks.&#160; The liquidity valuation adjustment represents the cost that would be incurred if all unmatched positions were closed out or hedged.&#160; The credit valuation adjustment represents estimated credit losses on our net exposure to counterparties, taking into account netting agreements, expected default experience for the credit rating of the counterparties and the overall diversification of the portfolio.&#160; We maintain credit policies that management believes minimize overall credit risk.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Certain non-exchange traded commodity contracts are valued based on unobservable inputs due to the long-term nature of contracts, characteristics of the product, or the unique location of the transactions.&#160; Our long-dated energy transactions consist of observable valuations for the near-term portion and unobservable valuations for the long-term portions of the transaction.&#160; We rely primarily on broker quotes to value these instruments.&#160; When our valuations utilize broker quotes, we perform various control procedures to ensure the quote has been developed consistent with fair value accounting guidance.&#160; These controls include assessing the quote for reasonableness by comparison against other broker quotes, reviewing historical price relationships, and assessing market activity.&#160; When broker quotes are not available, the primary valuation technique used to calculate the fair value is the extrapolation of forward pricing curves using observable market data for more liquid delivery points in the same region and actual transactions at more illiquid delivery points.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">When the unobservable portion is significant to the overall valuation of the transaction, the entire transaction is classified as Level 3.&#160; </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Investments Held in Nuclear Decommissioning Trusts and Other Special Use Funds</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The nuclear decommissioning trusts and other special use funds invest in fixed income and equity securities.  Other special use funds include the coal reclamation escrow account and the active union employee medical account.  See Note 12 for additional discussion about our investment accounts.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We value investments in fixed income and equity securities using information provided by our trustees and escrow agent.  Our trustees and escrow agent use pricing services that utilize the valuation methodologies described below to determine fair market value. We have internal control procedures designed to ensure this information is consistent with fair value accounting guidance. These procedures include assessing valuations using an independent pricing source, verifying that pricing can be supported by actual recent market transactions, assessing hierarchy classifications, comparing investment returns with benchmarks, and obtaining and reviewing independent audit reports on the trustees&#8217; and escrow agent&#8217;s internal operating controls and valuation processes.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Fixed Income Securities</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Fixed income securities issued by the U.S. Treasury are valued using quoted active market prices and are typically classified as Level 1.&#160; Fixed income securities issued by corporations, municipalities, and other agencies, including mortgage-backed instruments, are valued using quoted inactive market prices, quoted active market prices for similar securities, or by utilizing calculations which incorporate observable inputs such as yield curves and spreads relative to such yield curves.&#160; These fixed income instruments are classified as Level 2.&#160; Whenever possible, multiple market quotes are obtained which enables a cross-check validation.&#160; A primary price source is identified based on asset type, class, or issue of securities.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Fixed income securities may also include short-term investments in certificates of deposit, variable rate notes, time deposit accounts, U.S. Treasury and Agency obligations, U.S. Treasury repurchase agreements, commercial paper, and other short-term instruments. These instruments are valued using active market prices or utilizing observable inputs described above.  </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Equity Securities</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Nuclear Decommissioning Trusts's equity security investments are held indirectly through commingled funds.&#160; The commingled funds are valued using the funds&#8217; NAV as a practical expedient.  The funds&#8217; NAV is primarily derived from the quoted active market prices of the underlying equity securities held by the funds.  We may transact in these commingled funds on a semi-monthly basis at the NAV.&#160; The commingled funds are maintained by a bank and hold investments in accordance with the stated objective of tracking the performance of the S&amp;P 500 Index.&#160; Because the commingled funds&#8217; shares are offered to a limited group of investors, they are not considered to be traded in an active market.  As these instruments are valued using NAV, as a practical expedient, they have not been classified within the fair value hierarchy.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Nuclear Decommissioning Trusts and other special use funds may also hold equity securities that include exchange traded mutual funds and money market accounts for short-term liquidity purposes.  These short-term, highly-liquid, investments are valued using active market prices. </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">Fair Value Tables</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the fair value at March&#160;31, 2021 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:32.867%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.345%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.971%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.971%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.637%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.971%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><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:2.413%"/><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:11.349%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;1</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;2</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;3</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Assets</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; 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"/><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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">14,353&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,340&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(3,882)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Nuclear decommissioning trust:</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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">22,160&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(15,538)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,622&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. commingled equity funds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">648,199&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">648,199&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury debt</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">175,707&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">175,707&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Corporate 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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">143,876&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">143,876&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Mortgage-backed securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">110,073&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">110,073&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">64,479&#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: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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">64,479&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other fixed income</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,743&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,743&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal nuclear decommissioning trust</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">197,867&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">329,171&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">632,661&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,159,699&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other special use funds:</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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">19,211&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,401&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">20,612&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">323,589&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">323,589&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,305&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,305&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal other special use funds</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">342,800&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,305&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,401&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">357,506&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">540,667&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">356,829&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,340&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">630,180&#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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,543,016&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(11,668)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(924)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,597&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,995)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents counterparty netting, margin, and collateral.  See Note 7.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the fair value at December&#160;31, 2020 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"><tr><td style="width:1.0%"/><td style="width:32.233%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.424%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.797%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;1</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;2</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;3</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Assets</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; 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"/><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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,016&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(4,271)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Nuclear decommissioning trust:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">29,796&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(17,828)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,968&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. commingled equity funds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">610,055&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">610,055&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury debt</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">164,514&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">164,514&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Corporate 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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">149,509&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">149,509&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Mortgage-backed securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">99,623&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">99,623&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">89,705&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">89,705&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other fixed income</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,061&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,061&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal nuclear decommissioning trust</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">194,310&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">351,898&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">592,227&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,138,435&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other special use funds:</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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,337&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,841&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,220&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,220&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,448&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,448&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal other special use funds</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">240,557&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,448&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">254,509&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">434,867&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">374,362&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">588,460&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,397,693&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(20,498)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(1,107)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,986&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(18,619)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents counterparty netting, margin, and collateral.  See Note 7.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.</span></div><div style="text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Fair Value Measurements Classified as Level 3</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The significant unobservable inputs used in the fair value measurement of our energy derivative contracts include broker quotes that cannot be validated as an observable input primarily due to the long-term nature of the quote or other characteristics of the product.&#160; Significant changes in these inputs in isolation would result in significantly higher or lower fair value measurements.&#160; Changes in our derivative contract fair values, including changes relating to unobservable inputs, typically will not impact net income due to regulatory accounting treatment (see Note 4).</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Because our forward commodity contracts classified as Level 3 are currently in a net purchase position, we would expect price increases of the underlying commodity to result in increases in the net fair value of the related contracts.&#160; Conversely, if the price of the underlying commodity decreases, the net fair value of the related contracts would likely decrease.</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Other unobservable valuation inputs include credit and liquidity reserves which do not have a material impact on our valuations; however, significant changes in these inputs could also result in higher or lower fair value measurements.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Financial Instruments Not Carried at Fair Value</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The carrying value of our short-term borrowings approximate fair value and are classified within Level 2 of the fair value hierarchy.&#160;See Note 3 for our long-term debt fair values.  The NTEC note receivable related to the sale of 4CA&#8217;s interest in Four Corners bears interest at 3.9% per annum and has a book value of $22.7&#160;million as of March&#160;31, 2021 and $27.1&#160;million as of December 31, 2020, as presented on the Condensed Consolidated Balance Sheets.&#160; The carrying amount is not materially different from the fair value of the note receivable and is classified within Level 3 of the fair value hierarchy.&#160; See Note 8 for more information on 4CA matters.</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 the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660507061416">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Investments in Nuclear Decommissioning Trusts and Other Special Use Funds<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock', window );">Investments in Nuclear Decommissioning Trusts and Other Special Use Funds</a></td>
<td class="text">Investments in Nuclear Decommissioning Trusts and Other Special Use Funds <div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">We have investments in debt and equity securities held in Nuclear Decommissioning Trusts, Coal  Reclamation Escrow Account, and an Active Union Employee Medical Account. Investments in debt securities are classified as available-for-sale securities.  We record both debt and equity security investments at their fair value on our Condensed Consolidated Balance Sheets.  See Note 11 for a discussion of how fair value is determined and the classification of the investments within the fair value hierarchy.  The investments in each trust or account are restricted for use and are intended to fund specified costs and activities as further described for each fund below.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Nuclear Decommissioning Trusts &#8212; </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS established external decommissioning trusts in accordance with NRC regulations to fund the future costs APS expects to incur to decommission Palo Verde.&#160; Third-party investment managers are authorized to buy and sell securities per stated investment guidelines.&#160; The trust funds are invested in fixed income securities and equity securities.  Earnings and proceeds from sales and maturities of securities are reinvested in the trusts.  Because of the ability of APS to recover decommissioning costs in rates, and in accordance with the regulatory treatment, APS has deferred realized and unrealized gains and losses (including credit losses) in other regulatory liabilities. </span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Coal Reclamation Escrow Account &#8212; </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has investments restricted for the future coal mine reclamation funding related to Four Corners. This escrow account is primarily invested in fixed income securities. Earnings and proceeds from sales of securities are reinvested in the escrow account.  Because of the ability of APS to recover coal mine reclamation costs in rates, and in accordance with the regulatory treatment, APS has deferred realized and unrealized gains and losses (including credit losses) in other regulatory liabilities.  Activities relating to APS coal mine reclamation escrow account investments are included within the other special use funds in the table below.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Active Union Employee Medical Account &#8212; </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">APS has investments restricted for paying active union employee medical costs. These investments may be used to pay active union employee medical costs incurred in the current and future periods.  In 2020 and 2019, APS was reimbursed $14&#160;million and $15&#160;million, respectively, for prior year active union employee medical claims from the active union employee medical account.  The account is invested primarily in fixed income securities. In accordance with the ratemaking treatment, APS has deferred the unrealized gains and losses (including credit losses) in other regulatory liabilities. Activities relating to active union employee medical account investments are included within the other special use funds in the table below.  On January 4, 2021, an additional $106&#160;million of investments were transferred from APS other postretirement benefit trust assets into the active union employee medical account (see Note 5).</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-style:italic;font-weight:700;line-height:120%">APS</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following tables present the unrealized gains and losses based on the original cost of the investment and summarizes the fair value of APS&#8217;s nuclear decommissioning trusts and other special use fund assets (dollars in thousands): &#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:36.820%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.687%"/><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:9.002%"/><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:10.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.413%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><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:8.421%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" rowspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Gains</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" rowspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Losses</span></td></tr><tr style="height:32pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Investment Type:</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">670,359&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">19,211&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">689,570&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">457,442&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Available for sale-fixed income securities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504,878&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">336,894&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">841,772&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">27,338&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(3,203)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(15,538)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,401&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(14,137)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,159,699&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">357,506&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,517,205&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">484,780&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(3,203)</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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">As of March&#160;31, 2021, the amortized cost basis of these available-for-sale investments is $818 million.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:36.820%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.687%"/><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:9.002%"/><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:10.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.413%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><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:8.421%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td><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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Gains</span></td><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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Losses</span></td></tr><tr style="height:32pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Investment Type:</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">639,851&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,337&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">677,188&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">421,666&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Available for sale-fixed income securities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">516,412&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">216,668&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">733,080&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">46,581&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(17,828)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(17,324)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,138,435&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">254,509&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,392,944&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">468,247&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(398)</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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">As of December&#160;31, 2020, the amortized cost basis of these available-for-sale investments is $687 million.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table sets forth APS&#8217;s realized gains and losses relating to the sale and maturity of available-for-sale debt securities and equity securities, and the proceeds from the sale and maturity of these investment securities (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:42.448%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.228%"/><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:17.228%"/><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:17.230%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized gains</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,968&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,968&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized losses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(4,148)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(4,148)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Proceeds from the sale of securities (a)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">234,728&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">145,250&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">379,978&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized gains</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,313&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,313&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized losses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,227)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,227)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Proceeds from the sale of securities (a)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">178,196&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">16,891&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">195,087&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Proceeds are reinvested in the nuclear decommissioning trusts and other special use funds, excluding amounts reimbursed to the Company for active union employee medical claims from the active union employee medical account.&#160;&#160;&#160;&#160;</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Fixed Income Securities Contractual Maturities</span></div><div style="padding-left:36pt;text-indent:-18pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The fair value of APS&#8217;s fixed income securities, summarized by contractual maturities, at March&#160;31, 2021, is as follows (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.116%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.297%"/><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:16.297%"/><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:16.297%"/><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:16.303%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trust</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Coal Reclamation Escrow Account</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Active Union Employee Medical Account</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Less than one year</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">25,048&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">26,259&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">40,469&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">91,776&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1 year &#8211; 5 years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">147,347&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">34,936&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">160,324&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">342,607&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5 years &#8211; 10 years</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">137,479&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,708&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">63,477&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,664&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Greater than 10 years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">195,004&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,721&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,725&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504,878&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">72,624&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">264,270&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">841,772&#160;</span></td><td style="background-color:#cceeff;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  investments in certain debt and equity securities.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506965784">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Changes in Accumulated Other Comprehensive Loss<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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 );">Changes in Accumulated Other Comprehensive Loss</a></td>
<td class="text">Changes in Accumulated Other Comprehensive Loss <div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the changes in Pinnacle West&#8217;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:right"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:43.995%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.151%"/><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:2.413%"/><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:13.102%"/><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:2.413%"/><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:13.398%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Pension and Other Postretirement Benefits</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Derivative Instruments</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Total </span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(60,725)</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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(2,071)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(62,796)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">262&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">262&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,022&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(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:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,022&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2021</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(59,703)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,809)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(61,512)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 2019</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(56,522)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(574)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(57,096)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#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"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive loss</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,205&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">20&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,225&#160;</span></td><td style="background-color:#cceeff;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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2020</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(55,317)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(262)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;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 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 #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(55,579)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;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 style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the changes in APS&#8217;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component for the three months ended March 31, 2021 and 2020 (dollars in thousands):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:43.490%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><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:2.847%"/><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:12.935%"/><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:2.847%"/><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:13.526%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Pension and Other Postretirement Benefits</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Derivative Instruments</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Total </span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(40,918)</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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(40,918)</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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive loss</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">927&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">927&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(39,991)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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="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-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(39,991)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 2019</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(34,948)</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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(574)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(35,522)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,013&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">20&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(b)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,033&#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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2020</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(33,935)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(262)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(34,197)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;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 style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)  These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)  These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.</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 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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660509051864">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_IncomeTaxDisclosureTextBlock', window );">Income Taxes</a></td>
<td class="text">Income Taxes<div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The Tax Act reduced the corporate tax rate to 21% effective January 1, 2018.  As a result of this rate reduction, the Company recognized a $1.14 billion reduction in its net deferred income tax liabilities as of December 31, 2017.  In accordance with accounting for regulated companies, the effect of this rate reduction was substantially offset by a net regulatory liability.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Federal income tax laws require the amortization of a majority of the balance over the remaining regulatory life of the related property.  As a result of the modifications made to the annual transmission formula rate during the second quarter of 2018, the Company began amortization of FERC jurisdictional net excess deferred tax liabilities in 2018.  On March 13, 2019, the ACC approved the Company&#8217;s proposal to amortize non-depreciation related net excess deferred tax liabilities subject to its jurisdiction over a twelve-month period.  As a result, the Company began amortization in March 2019. The Company recorded $14&#160;million of income tax benefit related to the amortization of these non-depreciation related net excess deferred tax liabilities as of March 31, 2020, with these non-depreciation related net excess deferred tax liabilities being fully amortized as of March 31, 2020. On October 29, 2019, the ACC approved the Company&#8217;s proposal to amortize depreciation related net excess deferred tax liabilities subject to its jurisdiction over a 28.5-year period with amortization to retroactively begin as of January 1, 2018.  The Company recorded $6&#160;million and $6&#160;million of income tax benefit related to amortization of these depreciation related net excess deferred tax liabilities as of March 31, 2021 and March 31, 2020, respectively.  See Note 4 for more details.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Net income associated with the Palo Verde sale leaseback VIEs is not subject to tax.&#160; As a result, there is no income tax expense associated with the VIEs recorded on the Pinnacle West Consolidated and APS Consolidated Statements of Income.  See Note 6 for additional details related to the Palo Verde sale leaseback VIEs.</span></div><div style="text-indent:36pt"><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">As of the balance sheet date, the tax year ended December&#160;31, 2017 and all subsequent tax years remain subject to examination by the IRS.&#160; With a few exceptions, the Company is no longer subject to state income tax examinations by tax authorities for years before 2016.</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 income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660504445640">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidation and Nature of Operations (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
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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_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock', window );">Summary of supplemental cash flow information</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table summarizes supplemental Pinnacle West cash flow information (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:73.144%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.417%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.420%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Cash paid during the period for:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Income taxes, net of refunds</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(827)</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,002)</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Interest, net of amounts capitalized</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53,885&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53,723&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Significant non-cash investing and financing activities:</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Accrued capital expenditures</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">79,597&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">100,868&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">785&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,311&#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="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="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><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table summarizes supplemental APS cash flow information (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:73.037%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.400%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.518%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.545%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Cash paid during the period for:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Income taxes, net of refunds</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Interest, net of amounts capitalized</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">53,153&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">52,034&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Significant non-cash investing and financing activities:</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Accrued capital expenditures</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">79,597&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">100,868&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Right-of-use operating lease assets obtained in exchange for operating lease 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">785&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,311&#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="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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></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 supplemental cash flow information for the periods presented.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660509079720">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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</td>
</tr>
<tr class="ro">
<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 style="margin-bottom:6pt;margin-top:6pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides detail of Pinnacle West&#8217;s consolidated revenue disaggregated by revenue sources (dollars in thousands):</span></div><div style="margin-bottom:11pt;margin-top:11pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:69.952%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.554%"/><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%"/><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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td><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="padding:0 1pt"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Retail Electric Revenue</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><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 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Residential</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">340,838&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">325,073&#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"/><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:#cceeff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Non-Residential</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">314,783&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">303,351&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Wholesale Energy Sales</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">17,597&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">14,668&#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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Transmission Services for Others</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">18,993&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">15,927&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other Sources</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,264&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,911&#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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Total operating revenues</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">696,475&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">661,930&#160;</span></td><td style="background-color:#cceeff;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"/><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><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_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock', window );">Schedule of Accounts Receivable</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides a rollforward of Pinnacle West&#8217;s allowance for doubtful accounts (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:53.285%"/><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:20.976%"/><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:20.979%"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">March 31, 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Allowance for doubtful accounts, balance at beginning of period</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">19,782&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">8,171&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Bad debt expense</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,151&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">20,633&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Actual write-offs</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,528)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(9,022)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Allowance for doubtful accounts, balance at end of period</span></td><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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">20,405&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">19,782&#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>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=121604090&amp;loc=SL49130545-203045<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 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>
<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 210.5-02.3,4)<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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508245512">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Long-Term Debt and Liquidity Matters (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_DebtDisclosureAbstract', window );"><strong>Debt 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_FairValueByBalanceSheetGroupingTextBlock', window );">Schedule of estimated fair value of long-term debt, including current maturities</a></td>
<td class="text">The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):<table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:45.829%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.619%"/><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:11.619%"/><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:11.619%"/><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:11.624%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">As of March 31, 2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">As of December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Carrying<br/>Amount</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Carrying<br/>Amount</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pinnacle West</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">646,525&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">653,395&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">496,321&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">509,050&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">APS</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">5,818,520&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,436,224&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">5,817,945&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">7,103,791&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,465,045&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">7,089,619&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,314,266&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">7,612,841&#160;</span></td><td style="background-color:#cceeff;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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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506932376">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_RegulatedOperationsAbstract', window );"><strong>Regulated Operations [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_pnw_ScheduleOfCapitalStructureandCostOfCapitalRegulatoryMatterTableTextBlock', window );">Schedule of capital structure and cost of capital</a></td>
<td class="text">the following proposed capital structure and costs of capital:<table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:90.058%"><tr><td style="width:1.0%"/><td style="width:37.861%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.425%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.309%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.309%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.244%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.311%"/><td style="width:0.1%"/></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Capital&#160;Structure</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Cost&#160;of&#160;Capital</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">&#160;</span></td></tr><tr><td colspan="6" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Long-term debt</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">45.3&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">4.10&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Common stock 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">54.7&#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:'Times New Roman',sans-serif;font-size:11.5pt;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:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">10.15&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="6" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Weighted-average cost of capital</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">7.41&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">%</span></td></tr></table><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_pnw_ScheduleOfDeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityTableTextBlock', window );">Schedule of changes in the deferred fuel and purchased power regulatory asset</a></td>
<td class="text">The following table shows the changes in the deferred fuel and purchased power regulatory asset for 2021 and 2020 (dollars in thousands):<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;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:11.619%"/><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:11.621%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Beginning balance</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">175,835&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">70,137&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred fuel and purchased power costs &#8212; current period</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">52,210&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">5,785&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts refunded to customers</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">564&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,808&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Ending balance</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">228,609&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">77,730&#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>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryAssetsTextBlock', window );">Schedule of regulatory assets</a></td>
<td class="text"><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The detail of regulatory assets is as follows (dollars in thousands):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:36.583%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.363%"/><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:10.630%"/><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:10.630%"/><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:10.630%"/><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:10.632%"/><td style="width:0.1%"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amortization Through</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Pension</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">467,423&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">469,953&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power (b) (c)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">228,609&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">175,835&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; allowance for funds used during construction (&#8220;AFUDC&#8221;) equity</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2051</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,169&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">159,119&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,169&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">158,776&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Retired power plant costs</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2033</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">28,182&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">107,169&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">28,181&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">114,214&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Ocotillo deferral</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">110,820&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">95,723&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">SCR deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">88,044&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">81,307&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred property taxes</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2027</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,569&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">47,484&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,569&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">49,626&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Lost fixed cost recovery (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">45,905&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">41,807&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred compensation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2036</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">35,806&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">36,195&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Four Corners cost deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,077&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">22,056&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,077&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,075&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; investment tax credit basis adjustment</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2049</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,113&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,221&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,113&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,291&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Palo Verde VIEs (Note 6)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2046</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21,409&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21,255&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Coal reclamation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2026</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,068&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">16,732&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,068&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">16,999&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Loss on reacquired debt</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2038</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,703&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,486&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,689&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,877&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Mead-Phoenix transmission line contributions in aid of construction (&#8220;CIAC&#8221;)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2050</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">332&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,297&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">332&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,380&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Demand side management (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,268&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,268&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense adjustor mechanism (b)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,854&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,226&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense of Medicare subsidy</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,235&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,626&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,235&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,704&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power &#8212; mark-to-market (Note 7)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,728&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,341&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,244&#160;</span></td><td style="background-color:#cceeff;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"/></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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">PSA interest</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">46&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,355&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Various</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,018&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,169&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,716&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,100&#160;</span></td><td style="background-color:#cceeff;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:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total regulatory assets (d)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">339,880&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,135,857&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">291,713&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,133,987&#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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">This asset represents the future recovery of pension benefit obligations through retail rates.&#160; If these costs are disallowed by the ACC, this regulatory asset would be charged to other comprehensive income (&#8220;OCI&#8221;) and result in lower future revenues. See Note 5.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See &#8220;Cost Recovery Mechanisms&#8221; discussion above.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Subject to a carrying charge.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(d)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">There are no regulatory assets for which the ACC has allowed recovery of costs, but not allowed a return by exclusion from rate base.&#160; FERC rates are set using a formula rate as described in &#8220;Transmission Rates, Transmission Cost Adjustor and Other Transmission Matters.&#8221;</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_ScheduleOfRegulatoryLiabilitiesTextBlock', window );">Schedule of regulatory liabilities</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The detail of regulatory liabilities is as follows (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:36.583%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.363%"/><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:10.630%"/><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:10.630%"/><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:10.630%"/><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:10.632%"/><td style="width:0.1%"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amortization Through</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Non-Current</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Excess deferred income taxes - ACC - Tax Cuts and Jobs Act (a)</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2046</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">41,353&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,004,226&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">41,330&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,012,583&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Excess deferred income taxes - FERC - Tax Cuts and Jobs Act (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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2058</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,240&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">228,690&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,240&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">229,147&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Asset retirement obligations</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2057</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">519,015&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">506,049&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other postretirement benefits</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(d)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,705&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">337,853&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,705&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">349,588&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Removal costs</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">55,247&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">89,937&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">52,844&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">103,008&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; change in rates</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2050</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,839&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">66,374&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,839&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">66,553&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Four Corners coal reclamation</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2038</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,461&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">49,703&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,460&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">49,435&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Income taxes &#8212; deferred investment tax credit</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2049</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,231&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">48,507&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,231&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">48,648&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Spent nuclear fuel</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2027</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,831&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">43,059&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,768&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">44,221&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Renewable energy standard (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">34,460&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">30&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">39,442&#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:'Times New Roman',sans-serif;font-size:10pt;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><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred fuel and purchased power &#8212; mark-to-market (Note 7)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">20,829&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Property tax deferral</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,022&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,856&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Sundance maintenance</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2031</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,867&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,910&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,989&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,508&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Demand side management (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,821&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,975&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,819&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">FERC transmission true up</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,630&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,379&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,598&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,008&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">TCA balancing account (b)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,315&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,754&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,902&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,672&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Tax expense adjustor mechanism (b) (e)</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,452&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">7,089&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deferred gains on utility property</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2022</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,423&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">939&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,423&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,544&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Active union medical trust</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,337&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,057&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Various</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">524&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">59&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">409&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">189&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">250,228&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,427,769&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">229,088&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,450,169&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:middle"/></tr></table></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.8pt">For purposes of presentation on the Statement of Cash Flows, amortization of the regulatory liabilities for excess deferred income taxes are reflected as &#8220;Deferred income taxes&#8221; under Cash Flows From Operating Activities.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See &#8220;Cost Recovery Mechanisms&#8221; discussion above.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">In accordance with regulatory accounting guidance, APS accrues removal costs for its regulated assets, even if there is no legal obligation for removal.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(d)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">See Note 5.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(e)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Pursuant to Decision 77852, the ACC has authorized APS to return to customers up to $7&#160;million of liability recorded to the TEAM balancing account through December 31, 2021.  Should new base rates become effective prior to December 31, 2021, any remaining unreturned balance is anticipated to be included in the new base rates.</span></div><span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506740760">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Retirement Plans and Other Postretirement Benefits (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides details of the plans&#8217; net periodic benefit costs and the portion of these costs charged to expense (including administrative costs and excluding amounts capitalized as overhead construction or billed to electric plant participants) (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.695%"/><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:8.402%"/><td style="width:0.1%"/><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 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:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.409%"/><td style="width:0.1%"/><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="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Pension&#160;Benefits</span></td><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="padding:0 1pt"/><td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other&#160;Benefits</span></td><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="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</span></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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:10.5pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Service cost &#8212; benefits earned during the period</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,679&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">14,257&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,557&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,717&#160;</span></td><td style="background-color:#cceeff;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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Non-service costs (credits):</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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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="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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Interest cost on benefit obligation</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24,669&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">29,761&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,162&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,512&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Expected return on plan 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(50,608)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(46,806)</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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(10,361)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(10,019)</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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Amortization of:</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><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 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Prior service credit</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,427)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,394)</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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;&#160;Net actuarial loss (gain)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,985&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,011&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,405)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net periodic benefit cost/(benefit)</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(6,275)</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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,223&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(13,474)</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 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(7,184)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Portion of cost/(benefit) charged to expense</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(8,011)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,342&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,528)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(5,456)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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><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_CompensationAndRetirementDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_CompensationAndRetirementDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=118255775&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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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>42
<FILENAME>R28.htm
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<TEXT>
<html>
<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508230872">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Palo Verde Sale Leaseback Variable Interest Entities (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_pnw_VariableInterestEntitiesAbstract', window );"><strong>Variable Interest Entities [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 );">Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Our Condensed Consolidated Balance Sheets at March&#160;31, 2021 and December&#160;31, 2020 include the following amounts relating to the VIEs (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:68.153%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.687%"/><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:14.128%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">March 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">97,068&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">98,036&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Equity &#8212; Noncontrolling 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">124,164&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">119,290&#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>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_VariableInterestEntitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Variable Interest Entities [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;">pnw_VariableInterestEntitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</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_ScheduleOfVariableInterestEntitiesTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=121559654&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=121559654&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=121559654&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=121559654&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=121559654&amp;loc=d3e5728-111685<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_ScheduleOfVariableInterestEntitiesTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>43
<FILENAME>R29.htm
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<TEXT>
<html>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660517712312">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative Accounting (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract', window );"><strong>Derivative Instruments and Hedging Activities 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_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock', window );">Outstanding gross notional amount of derivatives, which represents both purchases and sales (does not reflect net position)</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the outstanding gross notional volume of derivatives, which represent both purchases and sales (does not reflect net position):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:15.444%"/><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:30.525%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:24.083%"/><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:24.084%"/><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="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Quantity</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Commodity</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Unit of Measure</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Power</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">GWh</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">368&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">368&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Billion cubic feet</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">211&#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:'Times New Roman',sans-serif;font-size:10pt;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"/></tr></table></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_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock', window );">Gains and losses from derivative instruments in designated cash flow accounting hedges relationships</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about APS&#8217;s gains and losses from derivative instruments in designated cash flow accounting hedging relationships (dollars in thousands):</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:51.970%"/><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:26.385%"/><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:7.525%"/><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:7.530%"/><td style="width:0.1%"/><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 style="height:36pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Financial&#160;Statement Location</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Commodity&#160;Contracts</span></td><td colspan="3" style="padding:0 1pt"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td><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"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Loss Reclassified from Accumulated OCI into Income (Effective Portion Realized) (a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Fuel and purchased power (b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(414)</span></td><td style="background-color:#cceeff;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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">During the three months ended March 31, 2021 and 2020, we had no gains or losses reclassified from accumulated OCI to earnings </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">related to discontinued cash flow hedges</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Amounts are before the effect of PSA deferrals.</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_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock', window );">Gains and losses from derivative instruments not designated as accounting hedges instruments</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about gains and losses from derivative instruments not designated as accounting hedging instruments (dollars in thousands):</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:50.800%"/><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:25.069%"/><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: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:0.1%"/><td style="width:0.537%"/><td style="width:0.1%"/></tr><tr style="height:23pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Financial&#160;Statement Location</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td><td colspan="3" style="padding:0 1pt"/></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Commodity&#160;Contracts</span></td><td colspan="3" style="padding:0 1pt"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net Gain (Loss) Recognized in Income</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Fuel and purchased power (a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">26,859&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(30,078)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Amounts are before the effect of PSA deferrals.</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_OffsettingAssetsTableTextBlock', window );">Schedule of offsetting assets</a></td>
<td class="text">The following tables provide information about the fair value of our risk management activities reported on a gross basis and the impacts of offsetting.&#160; These amounts relate to commodity contracts and are located in the assets and liabilities from risk management activities and other assets lines of our Condensed Consolidated Balance Sheets.<div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:30.718%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.805%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">As of March 31, 2021:<br/>&#160;(dollars in thousands)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Gross</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(a)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amounts<br/>Offset<br/>&#160;(b)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Net</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(c)</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amount</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Reported&#160;on</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Balance Sheet</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,703&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,092)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">22,611&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">22,611&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investments and other assets</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,990&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(790)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,200&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,200&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">29,693&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,882)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;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;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;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(4,874)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,092&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,782)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,067)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(7,718)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">790&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,928)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,928)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,592)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,882&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(8,710)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(9,995)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">17,101&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">17,101&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">15,816&#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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">All of our gross recognized derivative instruments were subject to master netting arrangements.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents cash collateral that is not subject to offsetting.  Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions or collateral posted in excess of the recognized derivative instrument.&#160;Includes cash collateral received from counterparties of $1,285.</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:30.718%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.805%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">As of December 31, 2020:<br/>&#160;(dollars in thousands)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Gross</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(a)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amounts<br/>Offset<br/>(b)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Net</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(c)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amount<br/>Reported&#160;on<br/>Balance Sheet</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">5,870&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(2,939)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,931&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,931&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investments and other assets</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,150&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,332)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,818&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,818&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">9,020&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(4,271)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;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:1pt solid #000000;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(9,211)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,939&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,272)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(7,557)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,394)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,332&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(11,062)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(11,062)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(21,605)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,271&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(17,334)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(18,619)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,585)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,585)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(13,870)</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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">All of our gross recognized derivative instruments were subject to master netting arrangements.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents cash collateral and cash margin that is not subject to offsetting. Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions, or collateral and margin posted in excess of the recognized derivative instrument.&#160; Includes cash collateral received from counterparties of $1,285.</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_OffsettingLiabilitiesTableTextBlock', window );">Schedule of offsetting liabilities</a></td>
<td class="text">The following tables provide information about the fair value of our risk management activities reported on a gross basis and the impacts of offsetting.&#160; These amounts relate to commodity contracts and are located in the assets and liabilities from risk management activities and other assets lines of our Condensed Consolidated Balance Sheets.<div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:30.718%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.805%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">As of March 31, 2021:<br/>&#160;(dollars in thousands)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Gross</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(a)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amounts<br/>Offset<br/>&#160;(b)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Net</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(c)</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amount</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Reported&#160;on</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Balance Sheet</span></div></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,703&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,092)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">22,611&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">22,611&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investments and other assets</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,990&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(790)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,200&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,200&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">29,693&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,882)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;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;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;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(4,874)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,092&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,782)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(3,067)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(7,718)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">790&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,928)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,928)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,592)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,882&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(8,710)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(9,995)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">17,101&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">17,101&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">15,816&#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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">All of our gross recognized derivative instruments were subject to master netting arrangements.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents cash collateral that is not subject to offsetting.  Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions or collateral posted in excess of the recognized derivative instrument.&#160;Includes cash collateral received from counterparties of $1,285.</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:30.718%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.803%"/><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:11.805%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">As of December 31, 2020:<br/>&#160;(dollars in thousands)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Gross</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(a)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amounts<br/>Offset<br/>(b)</span></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Net</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Recognized</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Derivatives</span></div></td><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Other</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">(c)</span></div></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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Amount<br/>Reported&#160;on<br/>Balance Sheet</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">5,870&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(2,939)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,931&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,931&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investments and other assets</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">3,150&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,332)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,818&#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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,818&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total assets</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">9,020&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(4,271)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;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:1pt solid #000000;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;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;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;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Current liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(9,211)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">2,939&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(6,272)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(7,557)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Deferred credits and other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,394)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,332&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(11,062)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(11,062)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total liabilities</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(21,605)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">4,271&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(17,334)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(18,619)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,585)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(12,585)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,285)</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:'Times New Roman',sans-serif;font-size:11pt;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(13,870)</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 style="text-indent:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">All of our gross recognized derivative instruments were subject to master netting arrangements.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">No cash collateral has been provided to counterparties, or received from counterparties, that is subject to offsetting.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents cash collateral and cash margin that is not subject to offsetting. Amounts relate to non-derivative instruments, derivatives qualifying for scope exceptions, or collateral and margin posted in excess of the recognized derivative instrument.&#160; Includes cash collateral received from counterparties of $1,285.</span></div><span></span>
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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_pnw_ScheduleOfDerivativeCreditRiskRelatedContingentFeaturesTableTextBlock', window );">Information about derivative instruments that have credit-risk-related contingent features</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table provides information about our derivative instruments that have credit-risk-related contingent features (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:83.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.105%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Aggregate fair value of derivative instruments in a net liability position</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,520&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Cash collateral posted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Additional cash collateral in the event credit-risk-related contingent features were fully triggered (a)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,674&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">This amount is after counterparty netting and includes those contracts which qualify for scope exceptions, which are excluded from the derivative details above.</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 derivative instruments that have credit-risk-related contingent features.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of derivative and other financial assets that are subject to offsetting, including master netting arrangements.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of derivative and other financial liabilities that are subject to offsetting, including master netting arrangements.</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 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>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of derivative instrument not designated or qualifying as hedging instrument.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508347672">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Income and Other Expense (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table pro</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">vides detail of Pinnacle West&#8217;s Consolidated other income and other expense (dollars in thousands):</span></div><div style="margin-bottom:6pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"><tr><td style="width:1.0%"/><td style="width:74.307%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.492%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.540%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.161%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other income:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Interest income</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,948&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3,277&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Four Corners SCR deferrals (Note 4)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,086&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3,140&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Ocotillo modernization project (Note 4)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,392&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,144&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other income</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">12,429&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">12,569&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Other expense:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 7.75pt 0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Non-operating costs</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,937)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,658)</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Investment gains (losses) &#8212; net</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(343)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,573)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,186)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other expense</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,853)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(4,784)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>The following table provides detail of APS&#8217;s other income and other expense (dollars in thousands): <table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.684%"><tr><td style="width:1.0%"/><td style="width:74.307%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.492%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.540%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.161%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other income:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Interest 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1,481&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">2,341&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Four Corners SCR deferrals (Note 4)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">4,086&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">3,140&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Debt return on Ocotillo modernization project (Note 4)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,392&#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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">6,144&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other income</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">11,960&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">11,633&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Other expense:</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 7.75pt 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Non-operating costs</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,778)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,482)</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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Miscellaneous</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(1,572)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(2,186)</span></td><td style="background-color:#cceeff;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:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Total other 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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(3,350)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(4,668)</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>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508592984">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Earnings Per Share (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [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_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock', window );">Schedule of earnings per weighted average common share outstanding</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the calculation of Pinnacle West&#8217;s basic and diluted earnings per share (in thousands, except per share amounts):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:98.538%"><tr><td style="width:1.0%"/><td style="width:74.122%"/><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:10.769%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.838%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.771%"/><td style="width:0.1%"/><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="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="display:none"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</span></td><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">2020</span></td><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">35,641&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">29,993&#160;</span></td><td style="background-color:#cceeff;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"/><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:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Weighted average common shares outstanding &#8212; basic</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">112,829&#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 colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">112,594&#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 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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net effect of dilutive securities:</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Contingently issuable performance shares and restricted stock units</span></div></td><td colspan="3" style="display:none"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">264&#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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">268&#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"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Weighted average common shares outstanding &#8212; diluted</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">113,093&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">112,862&#160;</span></td><td style="background-color:#cceeff;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"/><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:13.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Earnings per weighted-average common share outstanding</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;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="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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:24.75pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders &#8212; basic</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.32&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.27&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><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:24.75pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Net income attributable to common shareholders &#8212; diluted</span></div></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.32&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">0.27&#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 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><span></span>
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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=6371337&amp;loc=d3e3550-109257<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508347672">
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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">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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 );">Fair value of assets and liabilities that are measured at fair value on a recurring basis</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the fair value at March&#160;31, 2021 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:32.867%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.345%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.971%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.971%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.637%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.971%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><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:2.413%"/><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:11.349%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;1</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;2</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;3</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Assets</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; 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"/><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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">14,353&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,340&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(3,882)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">25,811&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Nuclear decommissioning trust:</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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">22,160&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(15,538)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6,622&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. commingled equity funds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">648,199&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">648,199&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury debt</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">175,707&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">175,707&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Corporate 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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">143,876&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">143,876&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Mortgage-backed securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">110,073&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">110,073&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">64,479&#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: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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">64,479&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other fixed income</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,743&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">10,743&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal nuclear decommissioning trust</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">197,867&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">329,171&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">632,661&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,159,699&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other special use funds:</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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">19,211&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,401&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">20,612&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">323,589&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">323,589&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,305&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,305&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal other special use funds</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">342,800&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,305&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,401&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">357,506&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">540,667&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">356,829&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">15,340&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">630,180&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,543,016&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(11,668)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(924)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,597&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9,995)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents counterparty netting, margin, and collateral.  See Note 7.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table presents the fair value at December&#160;31, 2020 of our assets and liabilities that are measured at fair value on a recurring basis (dollars in thousands):</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.561%"><tr><td style="width:1.0%"/><td style="width:32.233%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.794%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.424%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.534%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.797%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;1</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;2</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Level&#160;3</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Assets</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; 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"/><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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">9,016&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(4,271)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4,749&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Nuclear decommissioning trust:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">29,796&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(17,828)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">11,968&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. commingled equity funds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">610,055&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(c)</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">610,055&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury debt</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">164,514&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">164,514&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Corporate 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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">149,509&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">149,509&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Mortgage-backed securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">99,623&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">99,623&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">89,705&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">89,705&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other fixed income</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,061&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,061&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal nuclear decommissioning trust</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">194,310&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">351,898&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">592,227&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,138,435&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other special use funds:</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"/><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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,337&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,841&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">U.S. Treasury 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,220&#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 colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,220&#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:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Municipal bonds</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,448&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,448&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Subtotal other special use funds</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">240,557&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">13,448&#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:'Times New Roman',sans-serif;font-size:10pt;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="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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504&#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"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">254,509&#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:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total 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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">434,867&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">374,362&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">4&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">588,460&#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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,397,693&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Liabilities</span></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Risk management activities &#8212; derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(20,498)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(1,107)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,986&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(18,619)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Represents counterparty netting, margin, and collateral.  See Note 7.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(c)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">Valued using NAV as a practical expedient and, therefore, are not classified in the fair value hierarchy.</span></div><span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513417992">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Investments in Nuclear Decommissioning Trusts and Other Special Use Funds (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 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_InvestmentsDebtAndEquitySecuritiesAbstract', window );"><strong>Investments, Debt and Equity Securities [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_AvailableForSaleSecuritiesTextBlock', window );">Fair value of APS's nuclear decommissioning trust fund assets</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following tables present the unrealized gains and losses based on the original cost of the investment and summarizes the fair value of APS&#8217;s nuclear decommissioning trusts and other special use fund assets (dollars in thousands): &#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:36.820%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.687%"/><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:9.002%"/><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:10.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.413%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><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:8.421%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">March 31, 2021</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" rowspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Gains</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" rowspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Losses</span></td></tr><tr style="height:32pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Investment Type:</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">670,359&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">19,211&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">689,570&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">457,442&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Available for sale-fixed income securities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504,878&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">336,894&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">841,772&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">27,338&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(3,203)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(15,538)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,401&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(14,137)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,159,699&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">357,506&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,517,205&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">484,780&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(3,203)</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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">As of March&#160;31, 2021, the amortized cost basis of these available-for-sale investments is $818 million.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:36.820%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.687%"/><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:9.002%"/><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:10.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.413%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.856%"/><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:8.421%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2020</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Fair&#160;Value</span></td><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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Gains</span></td><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:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total<br/>Unrealized<br/>Losses</span></td></tr><tr style="height:32pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Investment Type:</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Equity securities</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">639,851&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">37,337&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">677,188&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">421,666&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Available for sale-fixed income securities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">516,412&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">216,668&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">733,080&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">46,581&#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:'Times New Roman',sans-serif;font-size:10pt;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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(17,828)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(17,324)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,138,435&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">254,509&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1,392,944&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">468,247&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(398)</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="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:5.26pt">As of December&#160;31, 2020, the amortized cost basis of these available-for-sale investments is $687 million.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%;padding-left:4.61pt">Represents net pending securities sales and purchases.</span></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_ScheduleOfRealizedGainLossTableTextBlock', window );">Realized gains and losses and proceeds from the sale of securities by the nuclear decommissioning trust funds</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table sets forth APS&#8217;s realized gains and losses relating to the sale and maturity of available-for-sale debt securities and equity securities, and the proceeds from the sale and maturity of these investment securities (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"/><td style="width:42.448%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.228%"/><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:17.228%"/><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:17.230%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Three Months Ended March 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trusts</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Other Special Use Funds</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:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized gains</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,968&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,968&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized losses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(4,148)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(4,148)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Proceeds from the sale of securities (a)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">234,728&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">145,250&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">379,978&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2020</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized gains</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,313&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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="3" style="padding:0 1pt"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,313&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Realized losses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,227)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(2,227)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Proceeds from the sale of securities (a)</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">178,196&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">16,891&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="padding:0 1pt"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">195,087&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>(a)&#160;&#160;&#160;&#160;Proceeds are reinvested in the nuclear decommissioning trusts and other special use funds, excluding amounts reimbursed to the Company for active union employee medical claims from the active union employee medical account.<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock', window );">Fair value of fixed income securities, summarized by contractual maturities</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The fair value of APS&#8217;s fixed income securities, summarized by contractual maturities, at March&#160;31, 2021, is as follows (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.116%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.297%"/><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:16.297%"/><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:16.297%"/><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:16.303%"/><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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Nuclear Decommissioning Trust</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Coal Reclamation Escrow Account</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Active Union Employee Medical Account</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:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Less than one year</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">25,048&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">26,259&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">40,469&#160;</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">91,776&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">1 year &#8211; 5 years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">147,347&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">34,936&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">160,324&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">342,607&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5 years &#8211; 10 years</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">137,479&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,708&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">63,477&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,664&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Greater than 10 years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">195,004&#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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">8,721&#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:'Times New Roman',sans-serif;font-size:10pt;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">203,725&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">504,878&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">72,624&#160;</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">264,270&#160;</span></td><td style="background-color:#cceeff;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:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">841,772&#160;</span></td><td style="background-color:#cceeff;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>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.</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>Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the 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">
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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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<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 proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.</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 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27357-111563<br></p></div>
<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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660605187752">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Changes in Accumulated Other Comprehensive Loss (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 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_ComprehensiveIncomeNetOfTaxAbstract', window );"><strong>Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]</strong></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_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock', window );">Schedule of changes in accumulated other comprehensive loss including reclassification adjustments, net of tax, by component</a></td>
<td class="text"><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the changes in Pinnacle West&#8217;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component (dollars in thousands):</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:right"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"/><td style="width:43.995%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.151%"/><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:2.413%"/><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:13.102%"/><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:2.413%"/><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:13.398%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Pension and Other Postretirement Benefits</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Derivative Instruments</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Total </span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(60,725)</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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(2,071)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(62,796)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">262&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">262&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,022&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(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:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,022&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2021</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(59,703)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(1,809)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(61,512)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 2019</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(56,522)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(574)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(57,096)</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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="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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#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"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive loss</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,205&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">20&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(b)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,225&#160;</span></td><td style="background-color:#cceeff;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"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2020</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(55,317)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(262)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;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 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 #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(55,579)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;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 style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.</span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">The following table shows the changes in APS&#8217;s consolidated accumulated other comprehensive loss, including reclassification adjustments, net of tax, by component for the three months ended March 31, 2021 and 2020 (dollars in thousands):&#160;</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:43.490%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><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:2.847%"/><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:12.935%"/><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:2.847%"/><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:13.526%"/><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:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Pension and Other Postretirement Benefits</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Derivative Instruments</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:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">&#160;Total </span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%">Three Months Ended March 31</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(40,918)</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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(40,918)</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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive loss</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">927&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(a)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">927&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2021</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(39,991)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</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:'Times New Roman',sans-serif;font-size:11pt;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="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-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(39,991)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance December 31, 2019</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(34,948)</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"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(574)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(35,522)</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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">OCI (loss) before reclassifications</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#160;</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">292&#160;</span></td><td style="background-color:#cceeff;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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Amounts reclassified from accumulated other comprehensive 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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,013&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">20&#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:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;(b)</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:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">1,033&#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"/><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:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Balance March 31, 2020</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(33,935)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(262)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%">(34,197)</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;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 style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(a)  These amounts primarily represent amortization of actuarial loss and are included in the computation of net periodic pension cost.&#160; See Note 5.</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">(b)  These amounts primarily represent realized gains and losses and are included in the computation of fuel and purchased power costs and are subject to the PSA.&#160; See Note 7.</span></div><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_ComprehensiveIncomeNetOfTaxAbstract">
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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_ComprehensiveIncomeNetOfTaxAbstract</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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<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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<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 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=121641772&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>
<a href="javascript:void(0);" 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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<DOCUMENT>
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<html>
<head>
<title></title>
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513340712">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidation and Nature of Operations (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_pnw_CashPaidDuringPeriodAbstract', window );"><strong>Cash paid during the period for:</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_IncomeTaxesPaidNet', window );">Income taxes, net of refunds</a></td>
<td class="num">$ (827)<span></span>
</td>
<td class="num">$ (3,002)<span></span>
</td>
</tr>
<tr class="re">
<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="nump">53,885<span></span>
</td>
<td class="nump">53,723<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract', window );"><strong>Significant non-cash investing and financing activities:</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_CapitalExpendituresIncurredButNotYetPaid', window );">Accrued capital expenditures</a></td>
<td class="nump">79,597<span></span>
</td>
<td class="nump">100,868<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability', window );">Right-of-use operating lease assets obtained in exchange for operating lease liabilities</a></td>
<td class="nump">785<span></span>
</td>
<td class="nump">2,311<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_pnw_CashPaidDuringPeriodAbstract', window );"><strong>Cash paid during the period for:</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_IncomeTaxesPaidNet', window );">Income taxes, net of refunds</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_InterestPaidNet', window );">Interest, net of amounts capitalized</a></td>
<td class="nump">53,153<span></span>
</td>
<td class="nump">52,034<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract', window );"><strong>Significant non-cash investing and financing activities:</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_CapitalExpendituresIncurredButNotYetPaid', window );">Accrued capital expenditures</a></td>
<td class="nump">79,597<span></span>
</td>
<td class="nump">100,868<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability', window );">Right-of-use operating lease assets obtained in exchange for operating lease liabilities</a></td>
<td class="nump">$ 785<span></span>
</td>
<td class="nump">$ 2,311<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 );">- 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>
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<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>
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<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=121583591&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=121583591&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=121583591&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>
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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_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract</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_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=121583591&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>
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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 class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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=121583591&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=121586364&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=121586364&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>
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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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 right-of-use asset obtained in exchange for operating lease 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/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=121568110&amp;loc=SL77918982-209971<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918686-209980<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_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability</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>
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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;">dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember</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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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513351880">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Operating revenues</a></td>
<td class="nump">$ 696,475<span></span>
</td>
<td class="nump">$ 661,930<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_pnw_RegulatoryCostRecoveryRevenue', window );">Regulatory cost recovery revenue</a></td>
<td class="nump">14,000<span></span>
</td>
<td class="nump">14,000<span></span>
</td>
</tr>
<tr class="rh">
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<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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Operating revenues</a></td>
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<td class="nump">325,073<span></span>
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<td class="text">&#160;<span></span>
</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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></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="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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Operating revenues</a></td>
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<td class="nump">14,668<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_ProductOrServiceAxis=pnw_TransmissionServicesMember', window );">Transmission Services for Others</a></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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Operating revenues</a></td>
<td class="nump">18,993<span></span>
</td>
<td class="nump">15,927<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_ProductOrServiceAxis=pnw_OtherServicesMember', window );">Other Sources</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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Operating revenues</a></td>
<td class="nump">4,264<span></span>
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<td class="nump">2,911<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_ProductOrServiceAxis=pnw_ElectricandTransmissionServiceMember', window );">Electric and Transmission Service</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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Operating revenues</a></td>
<td class="nump">$ 682,000<span></span>
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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>
<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 );">+ 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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<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>
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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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660511911432">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue - Allowance for Doubtful Accounts (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Mar. 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_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_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables', window );">Allowance for doubtful accounts, balance at beginning of period</a></td>
<td class="nump">$ 19,782<span></span>
</td>
<td class="nump">$ 8,171<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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 );">Bad debt expense</a></td>
<td class="nump">4,151<span></span>
</td>
<td class="nump">20,633<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Actual write-offs</a></td>
<td class="num">(3,528)<span></span>
</td>
<td class="num">(9,022)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables', window );">Allowance for doubtful accounts, balance at end of period</a></td>
<td class="nump">$ 19,782<span></span>
</td>
<td class="nump">$ 8,171<span></span>
</td>
<td class="nump">$ 20,405<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_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of 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://www.xbrl.org/2009/role/commonPracticeRef<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=121611835&amp;loc=d3e5074-111524<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=121599337&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=121599337&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=120395209&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>
</div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513762328">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Long-Term Debt and Liquidity Matters - Narrative (Details)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></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>May 04, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>Facility</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 23, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 17, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 05, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 04, 2020 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Long-Term Debt and Liquidity Matters</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLinesOfCredit', window );">Repayments of lines of credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,000,000<span></span>
</td>
<td class="nump">$ 226,690,000<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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization', window );">Percentage of capitalization</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">7.00%<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_LineOfCreditFacilityCapacityAvailableForTradePurchases', window );">Capacity available for trade purchases</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">$ 500,000,000<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_CreditFacilityAxis=pnw_TermLoanMember', window );">Term Loan</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>
</tr>
<tr class="ro">
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument, face 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">$ 150,000,000<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="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember', window );">Pinnacle West | Revolving Credit Facility | Revolving credit Facility maturing July 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Long-term line of credit</a></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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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 );">Current borrowing capacity on credit facility</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>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders (up to)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">300,000,000<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="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember', window );">Pinnacle West | Letter of Credit | Revolving credit Facility maturing July 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>
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<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 );">Outstanding letters of credit</a></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>
<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_ConsolidatedEntitiesAxis=srt_ParentCompanyMember', window );">Pinnacle West | Commercial paper | Revolving credit Facility maturing July 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommercialPaper', window );">Commercial paper</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 300,000<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="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember', window );">Pinnacle West | Term Loan</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>
</tr>
<tr class="ro">
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument, face 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="nump">$ 31,000,000<span></span>
</td>
<td class="nump">$ 50,000,000<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_DebtInstrumentBasisSpreadOnVariableRate1', window );">Variable rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.40%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_LineOfCredit', window );">Long-term line of credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 15,000,000<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="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember', window );">Pinnacle West | Term Loan | 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLinesOfCredit', window );">Repayments of lines of credit</a></td>
<td class="nump">$ 15,000,000<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>
<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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>
</tr>
<tr class="ro">
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLinesOfCredit', window );">Repayments of lines of credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">$ 110,000,000<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="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryMattersLongtermDebtLimit', window );">Long-term debt limit</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">$ 7,500,000,000<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Revolving Credit Facility | Revolving credit Facility maturing July 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>
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<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 );">Current borrowing capacity on credit facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">500,000,000<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_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders (up to)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">700,000,000<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="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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Revolving Credit Facility | Revolving Credit Facility Maturing in 2022 and 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>
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Long-term line of credit</a></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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Current borrowing capacity on credit facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000,000<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="re">
<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 );">Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders (up to)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,400,000,000<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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_LineOfCreditFacilityNumberOfAgreements', window );">Number of line of credit facilities | Facility</a></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>
<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Revolving Credit Facility | Revolving credit facility maturing June 2022</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>
</tr>
<tr class="ro">
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<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 );">Current borrowing capacity on credit facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 500,000,000<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_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Maximum borrowing capacity on credit facility upon satisfaction of certain conditions and consent of lenders (up to)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">700,000,000<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="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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Letter of Credit | Revolving Credit Facility Maturing in 2022 and 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>
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<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 );">Outstanding letters of credit</a></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>
<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | 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>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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>Long-Term Debt and Liquidity Matters</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>
</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_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity', window );">Maximum commercial paper support available under credit facility</a></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>
<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Commercial paper | Revolving Credit Facility Maturing in 2022 and 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>
<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>Long-Term Debt and Liquidity Matters</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>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommercialPaper', window );">Commercial paper</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 199,500,000<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>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 maximum borrowings available for the commercial paper program under the terms of line of 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;">pnw_LineOfCreditFacilityCommercialPaperProgramMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_LineOfCreditFacilityNumberOfAgreements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 number of line of credit facilities.</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;">pnw_LineOfCreditFacilityNumberOfAgreements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersLongtermDebtLimit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Long-term Debt Limit</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;">pnw_RegulatoryMattersLongtermDebtLimit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Long-term Debt, Percentage Of Capitalization</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;">pnw_RegulatoryMattersLongtermDebtPercentageOfCapitalization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_CommercialPaper">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 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 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13)(2))<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 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 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(19)(a)(3))<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_CommercialPaper</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DebtInstrumentBasisSpreadOnVariableRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 points added to the reference rate to compute the variable rate on the debt 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;">us-gaap_DebtInstrumentBasisSpreadOnVariableRate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 (par) amount of debt instrument at time of 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 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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_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_LineOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.</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><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(16))<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 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_LineOfCreditFacilityCapacityAvailableForTradePurchases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amount of borrowing capacity under a line of credit that is available as of the balance sheet date for financing purchases of goods acquired for inventory or imminent delivery to a customer.</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_LineOfCreditFacilityCapacityAvailableForTradePurchases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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_RepaymentsOfLinesOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit 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 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3291-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<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.(f))<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_RepaymentsOfLinesOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_CreditFacilityAxis=pnw_TermLoanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_TermLoanMember</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_ConsolidatedEntitiesAxis=srt_ParentCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=srt_ParentCompanyMember</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_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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>
</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=pnw_RevolvingCreditFacilityMaturingJuly2023Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_RevolvingCreditFacilityMaturingJuly2023Member</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_CreditFacilityAxis=us-gaap_LetterOfCreditMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_LetterOfCreditMember</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_CreditFacilityAxis=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_CreditFacilityAxis=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_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>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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=pnw_RevolvingCreditFacilityMaturingin2022and2023Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_RevolvingCreditFacilityMaturingin2022and2023Member</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=pnw_RevolvingCreditFacilityMaturingJune2022Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_RevolvingCreditFacilityMaturingJune2022Member</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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660610829064">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Long-Term Debt and Liquidity Matters - Estimated Fair Value of Long-Term Debt (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Mar. 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_DebtInstrumentsAbstract', window );"><strong>Estimated fair value of long-term debt, including current maturities</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_DebtAndCapitalLeaseObligations', window );">Carrying Amount</a></td>
<td class="nump">$ 6,465,045<span></span>
</td>
<td class="nump">$ 6,314,266<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_LongTermDebtFairValue', window );">Fair&#160;Value</a></td>
<td class="nump">7,089,619<span></span>
</td>
<td class="nump">7,612,841<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_DebtInstrumentsAbstract', window );"><strong>Estimated fair value of long-term debt, including current maturities</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_DebtAndCapitalLeaseObligations', window );">Carrying Amount</a></td>
<td class="nump">5,818,520<span></span>
</td>
<td class="nump">5,817,945<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtFairValue', window );">Fair&#160;Value</a></td>
<td class="nump">6,436,224<span></span>
</td>
<td class="nump">7,103,791<span></span>
</td>
</tr>
<tr 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_ConsolidatedEntitiesAxis=srt_ParentCompanyMember', window );">Pinnacle West</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_DebtInstrumentsAbstract', window );"><strong>Estimated fair value of long-term debt, including current maturities</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_DebtAndCapitalLeaseObligations', window );">Carrying Amount</a></td>
<td class="nump">646,525<span></span>
</td>
<td class="nump">496,321<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtFairValue', window );">Fair&#160;Value</a></td>
<td class="nump">$ 653,395<span></span>
</td>
<td class="nump">$ 509,050<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_DebtAndCapitalLeaseObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 short-term and long-term debt and lease 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 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.13,16)<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 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtAndCapitalLeaseObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DebtInstrumentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DebtInstrumentsAbstract</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></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same 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>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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>
<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;">srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<head>
<title></title>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660510328664">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters - COVID-19 (Details) - APS - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">1 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jan. 21, 2021</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>May 05, 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>
</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_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle', window );">Percentage increase under PSA effective for first billing cycle beginning April 2021</a></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="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA', window );">Remaining percentage increase under PSA effective for first billing cycle beginning November 2021</a></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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryMattersDemandSideManagementFunds', window );">Demand side management funds</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">$ 36,000,000<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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCredits', window );">Customer credits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 43,000,000<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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds', window );">Customer credits, additional funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 7,000,000<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_pnw_RegulatoryMattersVoluntaryFunds', window );">Voluntary funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 15,000,000<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_pnw_RegulatoryMattersCustomerCOVIDAssistance', window );">Customer COVID assistance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,400,000<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_pnw_RegulatoryMattersNonCustomerFunds', window );">Non-customer funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,800,000<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_pnw_RegulatoryMattersBillCredits', window );">Bill credits for limited income customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,600,000<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_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery', window );">Threshold percentage for deferral of potential recovery</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>
</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_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery', window );">Threshold for deferral of potential recovery</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,500,000<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_pnw_RegulatoryMattersCustomerSupportFundBillCredit', window );">Customer support fund, bill credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100<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_pnw_RegulatoryMattersCustomerSupportFundExpandedBillCredit', window );">Expanded credit for limited income customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">300<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_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit', window );">Customer assistance, small customers, bill credit</a></td>
<td class="text">&#160;<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="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryMattersCustomerSupportFundAdditionalBillCredit', window );">Additional bill credit for delinquent limited income customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">250<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_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations', window );">Customer support fund, non-profits and community organizations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,700,000<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_LossContingenciesByNatureOfContingencyAxis=us-gaap_DamageFromFireExplosionOrOtherHazardMember', window );">Damage from Fire, Explosion or Other Hazard</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_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>
</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_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod', window );">Customer support fund, payment period</a></td>
<td class="text">8 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>
</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_pnw_CustomerSupportFundPastDueBalanceThreshold', window );">Past due balance threshold qualifying for payment extension</a></td>
<td class="nump">$ 75<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_pnw_CustomerSupportFundPastDueBalanceThreshold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Customer Support Fund, Past Due Balance Threshold</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;">pnw_CustomerSupportFundPastDueBalanceThreshold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersBillCredits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Bill 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;">pnw_RegulatoryMattersBillCredits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Customer Assistance, Small Customers, Bill Credit</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;">pnw_RegulatoryMattersCustomerAssistanceSmallCustomersBillCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersCustomerCOVIDAssistance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Customer COVID Assistance</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;">pnw_RegulatoryMattersCustomerCOVIDAssistance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersCustomerSupportFundAdditionalBillCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Customer Support Fund, Additional Bill Credit</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;">pnw_RegulatoryMattersCustomerSupportFundAdditionalBillCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_RegulatoryMattersCustomerSupportFundBillCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Customer Support Fund, Bill Credit</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;">pnw_RegulatoryMattersCustomerSupportFundBillCredit</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>
</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_pnw_RegulatoryMattersCustomerSupportFundExpandedBillCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Customer Support Fund, Expanded Bill Credit</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;">pnw_RegulatoryMattersCustomerSupportFundExpandedBillCredit</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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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<tr>
<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_pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Customer Support Fund, Non-profits and Community Organizations</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;">pnw_RegulatoryMattersCustomerSupportFundNonprofitsandCommunityOrganizations</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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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<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_pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Customer Support Fund, Payment 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;">pnw_RegulatoryMattersCustomerSupportFundPaymentPeriod</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
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<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>
</tr>
</table></div>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_RegulatoryMattersDemandSideManagementFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Demand Side Management Funds</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;">pnw_RegulatoryMattersDemandSideManagementFunds</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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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<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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCredits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Demand Side Management Funds, Customer 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;">pnw_RegulatoryMattersDemandSideManagementFundsCustomerCredits</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Demand Side Management Funds, Customer Credits, Additional Funds</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;">pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_RegulatoryMattersNonCustomerFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Non-Customer Funds</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;">pnw_RegulatoryMattersNonCustomerFunds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Percentage Increase Due Under PSA In First Billing Cycle</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;">pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Remaining Percentage Increase Due Under PSA</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;">pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RegulatoryMattersVoluntaryFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Voluntary Funds</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;">pnw_RegulatoryMattersVoluntaryFunds</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Voluntary Funds, Percentage Threshold For Deferral Of Potential Recovery</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;">pnw_RegulatoryMattersVoluntaryFundsPercentageThresholdForDeferralOfPotentialRecovery</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Voluntary Funds, Threshold For Deferral Of Potential Recovery</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;">pnw_RegulatoryMattersVoluntaryFundsThresholdForDeferralOfPotentialRecovery</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>
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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>
</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>
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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">
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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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660516196392">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Regulatory Matters - Retail Rate Case Filing (Details)<br></strong></div></th>
<th class="th">
<div>Nov. 06, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 31, 2019 </div>
<div>USD ($) </div>
<div>$ / kWh </div>
<div>GW</div>
</th>
<th class="th">
<div>Jun. 30, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Aug. 13, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jan. 08, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 27, 2017 </div>
<div>USD ($) </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 04, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 02, 2020 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=pnw_ArizonaCorporationCommissionMember', window );">ACC</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryMattersRevenueIncreaseDecrease', window );">Revenue increase (decrease)</a></td>
<td class="nump">$ 169,000,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 59,800,000<span></span>
</td>
<td class="nump">$ 89,700,000<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_pnw_AverageAnnualCustomerBillIncreasePercent', window );">Average annual customer bill increase (decrease), percent</a></td>
<td class="nump">5.14%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">1.82%<span></span>
</td>
<td class="nump">2.70%<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_pnw_PublicUtilitiesRecommendedReturnOnEquityPercentage', window );">Recommended return on equity, percentage</a></td>
<td class="nump">10.00%<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>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9.40%<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_pnw_PublicUtilitiesAlternativePercentage', window );">Alternative, 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="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.30%<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_pnw_PublicUtilitiesIncrementOfFairValueRatePercentage', window );">Increment of fair value rate, percentage</a></td>
<td class="nump">0.80%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">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_dei_LegalEntityAxis=pnw_ResidentialUtilityConsumerOfficeMember', window );">Residential Utility Consumer Office</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_pnw_RegulatoryMattersRevenueIncreaseDecrease', window );">Revenue increase (decrease)</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="num">$ (50,100,000)<span></span>
</td>
<td class="num">$ (20,800,000)<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_pnw_AverageAnnualCustomerBillIncreasePercent', window );">Average annual customer bill increase (decrease), 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="text">&#160;<span></span>
</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">(1.52%)<span></span>
</td>
<td class="num">(0.63%)<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_pnw_PublicUtilitiesRecommendedReturnOnEquityPercentage', window );">Recommended 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="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8.74%<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_pnw_PublicUtilitiesIncrementOfFairValueRatePercentage', window );">Increment of fair value rate, 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="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_RegulatoryAgencyAxis=pnw_ArizonaCorporationCommissionMember', window );">ACC | APS</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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount', window );">Proposed annual revenue increase</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 184,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (86,500,000)<span></span>
</td>
<td class="num">$ (119,100,000)<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_PublicUtilitiesRegulatoryProceedingAxis=pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember', window );">Retail Rate Case Filing with Arizona Corporation Commission | ACC | APS</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_pnw_BaseRateDecreaseEliminationofTaxExpenseAdjustmentMechanism', window );">Base rate decrease, elimination of tax expense adjustment mechanism</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 115,000,000<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>
<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_pnw_RateMatterApproximatePercentageofIncreaseinAverageCustomerBill', window );">Approximate percentage of increase in average customer bill</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.60%<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="nump">3.28%<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_pnw_RateMatterApproximatePercentageofIncreaseinAverageResidentialCustomerBill', window );">Approximate percentage of increase in average residential customer bill</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.40%<span></span>
</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">4.54%<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_pnw_RateMatterCostBaseRate', window );">Rate matter, cost base rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 8,870,000,000<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>
<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_pnw_BaseFuelRate', window );">Base fuel rate (in dollars per kWh) | $ / kWh</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.030168<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram', window );">Funding limited income crisis bill program</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,250,000<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>
</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_pnw_CommercialCustomersMarketPricingThreshold', window );">Commercial customers, market pricing, threshold | GW</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.02<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_SettlementAgreementNetRetailBaseRateIncrease', window );">Net retail base rate, increase</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">$ 94,600,000<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_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease', window );">Non-fuel and non-depreciation base rate, increase</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">87,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</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_pnw_SettlementAgreementFuelRelatedBaseRateDecrease', window );">Fuel-related base rate decrease</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">53,600,000<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_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules', window );">Base rate increase, changes in depreciation schedules</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">$ 61,000,000.0<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="ro">
<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 );">Authorized return on common equity (as a 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="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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 );">Percentage of debt in capital structure</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">44.20%<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_PublicUtilitiesApprovedEquityCapitalStructurePercentage', window );">Percentage of common equity in capital structure</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">55.80%<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_pnw_RateMatterResourceComparisonProxyforExportedEnergy1', window );">Rate matter, resource comparison proxy for exported energy (in dollars per kWh) | $ / kWh</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">0.129<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_pnw_PublicUtilityProgramAxis=pnw_AZSunProgramPhase2Member', window );">AZ Sun Program Phase 2 | Retail Rate Case Filing with Arizona Corporation Commission | ACC | APS</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_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff', window );">Public utilities, minimum annual renewable energy standard and tariff</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">$ 10,000,000<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_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff', window );">Public utilities, maximum annual renewable energy standard and tariff</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">$ 15,000,000<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="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember', window );">Coal Community Transition Plan | ACC</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_pnw_RegulatoryMattersAmountsFundedByShareholders', window );">Amount funded by shareholders</a></td>
<td class="nump">$ 25,000,000<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>
<td class="nump">$ 25,000,000<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_pnw_RegulatoryMattersAmountsFundedByCustomersTerm', window );">Amount funded by customers, term</a></td>
<td class="text">10 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>
<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_pnw_RegulatoryMattersAmountFundedByCustomers', window );">Amount funded by customers</a></td>
<td class="nump">$ 100,000,000<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>
<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_pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember', window );">Coal Community Transition Plan | ACC | Navajo Nation, Economic Development Organization</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_pnw_RegulatoryMattersAmountsFundedByShareholders', window );">Amount funded by shareholders</a></td>
<td class="nump">$ 1,250,000<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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm', window );">Amount funded by shareholders, term</a></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>
<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_pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember', window );">Coal Community Transition Plan | ACC | Navajo Nation, Electrification Projects</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_pnw_RegulatoryMattersAmountsFundedByShareholders', window );">Amount funded by shareholders</a></td>
<td class="nump">$ 10,000,000<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>
<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_pnw_RegulatoryMattersAmountFundedByCustomers', window );">Amount funded by customers</a></td>
<td class="nump">10,000,000<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>
<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_pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember', window );">Coal Community Transition Plan | ACC | Navajo Nation, Transmission Revenue Sharing</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_pnw_RegulatoryMattersAmountsFundedByShareholders', window );">Amount funded by shareholders</a></td>
<td class="nump">$ 2,500,000<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="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember', window );">Coal Community Transition Plan | ACC | Navajo County Communities, Cholla Power Plant Closure</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_pnw_RegulatoryMattersAmountsFundedByCustomersTerm', window );">Amount funded by customers, term</a></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>
<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_pnw_RegulatoryMattersAmountFundedByCustomers', window );">Amount funded by customers</a></td>
<td class="nump">$ 12,000,000<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>
<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_pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember', window );">Coal Community Transition Plan | ACC | Navajo Nation, Generation Station</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_pnw_RegulatoryMattersAmountFundedByCustomers', window );">Amount funded by customers</a></td>
<td class="nump">$ 3,700,000<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="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 | ACC | APS</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_pnw_RegulatoryImpactOperatingResults', window );">Annual increase in retail base rates</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 69,000,000<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>
<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 | Retail Rate Case Filing with Arizona Corporation Commission | ACC | APS</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_pnw_RateMatterEnvironmentalSurchargeCapRate1', window );">Rate matter, environmental surcharge cap rate (in dollars per kWh) | $ / kWh</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">0.00016<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_RangeAxis=srt_MaximumMember', window );">Maximum | Retail Rate Case Filing with Arizona Corporation Commission | ACC | APS</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_pnw_RateMatterEnvironmentalSurchargeCapRate1', window );">Rate matter, environmental surcharge cap rate (in dollars per kWh) | $ / kWh</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">0.00050<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_pnw_AverageAnnualCustomerBillIncreasePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Average Annual Customer Bill Increase, 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;">pnw_AverageAnnualCustomerBillIncreasePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_BaseFuelRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Base Fuel Rate</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;">pnw_BaseFuelRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_BaseRateDecreaseEliminationofTaxExpenseAdjustmentMechanism">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Base Rate Decrease, Elimination of Tax Expense Adjustment 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;">pnw_BaseRateDecreaseEliminationofTaxExpenseAdjustmentMechanism</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_CommercialCustomersMarketPricingThreshold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Customers, Market Pricing, Threshold</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;">pnw_CommercialCustomersMarketPricingThreshold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:powerItemType</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_pnw_PublicUtilitiesAlternativePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Alternative, Percentage</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;">pnw_PublicUtilitiesAlternativePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_PublicUtilitiesIncrementOfFairValueRatePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Increment of Fair Value Rate, Percentage</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;">pnw_PublicUtilitiesIncrementOfFairValueRatePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Maximum Annual Renewable Energy Standard and 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;">pnw_PublicUtilitiesMaximumAnnualRenewableEnergyStandardandTariff</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Minimum Annual Renewable Energy Standard and 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;">pnw_PublicUtilitiesMinimumAnnualRenewableEnergyStandardandTariff</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesRecommendedReturnOnEquityPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Recommended Return on Equity, Percentage</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;">pnw_PublicUtilitiesRecommendedReturnOnEquityPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Rate Increase (Decrease), Tax Cuts And Jobs Act of 2017, Income Tax 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;">pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMatterApproximatePercentageofIncreaseinAverageCustomerBill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Approximate Percentage of Increase in Average Customer Bill</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;">pnw_RateMatterApproximatePercentageofIncreaseinAverageCustomerBill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RateMatterApproximatePercentageofIncreaseinAverageResidentialCustomerBill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Approximate Percentage of Increase in Average Residential Customer Bill</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;">pnw_RateMatterApproximatePercentageofIncreaseinAverageResidentialCustomerBill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RateMatterCostBaseRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Cost Base Rate</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;">pnw_RateMatterCostBaseRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMatterEnvironmentalSurchargeCapRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Environmental Surcharge Cap Rate1</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;">pnw_RateMatterEnvironmentalSurchargeCapRate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_RateMatterFundingLimitedIncomeCrisisBillProgram">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Funding Limited Income Crisis Bill 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;">pnw_RateMatterFundingLimitedIncomeCrisisBillProgram</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMatterResourceComparisonProxyforExportedEnergy1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Resource Comparison Proxy for Exported Energy1</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;">pnw_RateMatterResourceComparisonProxyforExportedEnergy1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_RegulatoryImpactOperatingResults">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Impact, Operating Results</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;">pnw_RegulatoryImpactOperatingResults</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersAmountFundedByCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Amount Funded By 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;">pnw_RegulatoryMattersAmountFundedByCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersAmountsFundedByCustomersTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Amounts Funded By Customers, 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;">pnw_RegulatoryMattersAmountsFundedByCustomersTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersAmountsFundedByShareholders">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Amounts Funded By Shareholders</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;">pnw_RegulatoryMattersAmountsFundedByShareholders</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersAmountsFundedByShareholdersTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Amounts Funded By Shareholders, 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;">pnw_RegulatoryMattersAmountsFundedByShareholdersTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersRevenueIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Revenue Increase (Decrease)</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;">pnw_RegulatoryMattersRevenueIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Agreement, Base Rate Increase, Changes in Depreciation Schedules</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;">pnw_SettlementAgreementBaseRateIncreaseChangesinDepreciationSchedules</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SettlementAgreementFuelRelatedBaseRateDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 fuel-related base rates as per the terms of the settlement agreement of a regulatory matter.</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;">pnw_SettlementAgreementFuelRelatedBaseRateDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SettlementAgreementNetRetailBaseRateIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Agreement, Net Retail Base Rate, Increase</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;">pnw_SettlementAgreementNetRetailBaseRateIncrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Agreement, Non Fuel and Non Depreciation Base Rate, Increase</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;">pnw_SettlementAgreementNonFuelandNonDepreciationBaseRateIncrease</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>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>
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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>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>
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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>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">
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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_PublicUtilitiesGeneralDisclosuresLineItems</td>
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<td>xbrli:stringItemType</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=pnw_ArizonaCorporationCommissionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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>
<td style="white-space:nowrap;">dei_LegalEntityAxis=pnw_ResidentialUtilityConsumerOfficeMember</td>
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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 );">- Details</a><div><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 );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember</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>
<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_pnw_PublicUtilityProgramAxis=pnw_AZSunProgramPhase2Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_PublicUtilityProgramAxis=pnw_CoalCommunityTransitionPlanMember</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;">pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis=pnw_NavajoNationEconomicDevelopmentOrganizationMember</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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<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;">pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis=pnw_NavajoNationElectrificationProjectsMember</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>
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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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660509693144">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Regulatory Matters - Capital Structure and Costs of Capital (Details) - $ / kWh<br></strong></div></th>
<th class="th"><div>Oct. 01, 2021</div></th>
<th class="th"><div>May 01, 2020</div></th>
<th class="th"><div>Oct. 31, 2019</div></th>
<th class="th"><div>May 01, 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_pnw_CostOfCapitalAbstract', window );"><strong>Cost&#160;of&#160;Capital</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_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage', window );">Long-term debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.10%<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_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage', window );">Common stock equity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.15%<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_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage', window );">Weighted-average cost of capital</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7.41%<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_PublicUtilitiesRegulatoryProceedingAxis=pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember', window );">Retail Rate Case Filing with Arizona Corporation Commission | APS</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_pnw_CapitalStructureAbstract', window );"><strong>Capital&#160;Structure</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_PublicUtilitiesRequestedEquityCapitalStructurePercentage', window );">Common stock equity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">54.70%<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_PublicUtilitiesRegulatoryProceedingAxis=pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember', window );">Retail Rate Case Filing with Arizona Corporation Commission | ACC | APS</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_pnw_CapitalStructureAbstract', window );"><strong>Capital&#160;Structure</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_PublicUtilitiesRequestedDebtCapitalStructurePercentage', window );">Long-term debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">45.30%<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_PublicUtilitiesRegulatoryProceedingAxis=pnw_NetMeteringMember', window );">Net Metering | ACC | APS</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_pnw_CostOfCapitalAbstract', window );"><strong>Cost&#160;of&#160;Capital</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_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1', window );">Second-year export energy price (in dollars per kWh)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.094<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.105<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=pnw_NetMeteringMember', window );">Net Metering | ACC | APS | Forecast</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_pnw_CostOfCapitalAbstract', window );"><strong>Cost&#160;of&#160;Capital</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_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1', window );">Second-year export energy price (in dollars per kWh)</a></td>
<td class="nump">0.105<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_pnw_CapitalStructureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Structure [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;">pnw_CapitalStructureAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cost Of Capital [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;">pnw_CostOfCapitalAbstract</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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Equity Cost Of Capital, Percentage</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;">pnw_PublicUtilitiesRequestedEquityCostOfCapitalPercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</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>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Long-term Debt Cost Of Capital, Percentage</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;">pnw_PublicUtilitiesRequestedLongtermDebtCostOfCapitalPercentage</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Weighted Average Cost Of Capital, Percentage</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;">pnw_PublicUtilitiesRequestedWeightedAverageCostOfCapitalPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Request Second-Year Energy Price for Exported Energy1</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;">pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_PublicUtilitiesRequestedDebtCapitalStructurePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 requested 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_PublicUtilitiesRequestedDebtCapitalStructurePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_PublicUtilitiesRequestedEquityCapitalStructurePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 requested 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_PublicUtilitiesRequestedEquityCapitalStructurePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_PublicUtilitiesRegulatoryProceedingAxis=pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_PublicUtilitiesRegulatoryProceedingAxis=pnw_RetailRateCaseFilingwithArizonaCorporationCommissionMember</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=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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>
</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=pnw_ArizonaCorporationCommissionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaCorporationCommissionMember</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>
</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_PublicUtilitiesRegulatoryProceedingAxis=pnw_NetMeteringMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_PublicUtilitiesRegulatoryProceedingAxis=pnw_NetMeteringMember</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_StatementScenarioAxis=srt_ScenarioForecastMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_StatementScenarioAxis=srt_ScenarioForecastMember</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>57
<FILENAME>R43.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660492920696">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters - Cost Recovery Mechanisms (Details)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Oct. 01, 2021 </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Feb. 22, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 15, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 01, 2021 </div>
<div>USD ($) </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Aug. 20, 2020 </div>
<div>USD ($) </div>
<div>Customer</div>
</th>
<th class="th">
<div>Jun. 01, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 01, 2020 </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Feb. 14, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 01, 2020 </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Nov. 14, 2019 </div>
<div>USD ($) </div>
<div>Customer</div>
</th>
<th class="th">
<div>Oct. 31, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 29, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 01, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 01, 2019 </div>
<div>$ / kWh</div>
</th>
<th class="th"><div>Apr. 10, 2019</div></th>
<th class="th">
<div>Feb. 15, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 01, 2019 </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Aug. 13, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 15, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 01, 2018 </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Jan. 08, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Nov. 20, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Sep. 01, 2017 </div>
<div>USD ($) </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($) </div>
<div>program </div>
<div>MW</div>
</th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>$ / kWh</div>
</th>
<th class="th">
<div>Jul. 01, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 15, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 05, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jul. 01, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 15, 2019 </div>
<div>agreement</div>
</th>
<th class="th">
<div>Dec. 31, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 29, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Nov. 14, 2017 </div>
<div>USD ($)</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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Deferred fuel and purchased power costs &#8212; current period</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 52,210,000<span></span>
</td>
<td class="nump">$ 5,785,000<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>
<td class="text">&#160;<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_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization', window );">Amounts refunded to 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">564,000<span></span>
</td>
<td class="nump">1,808,000<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>
<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_pnw_RatePlanComparisonToolNumberOfCustomers', window );">Rate plan comparison tool, number of customers | Customer</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">3,800<span></span>
</td>
<td class="text">&#160;<span></span>
</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RatePlanComparisonToolInconveniencePayment', window );">Rate plan comparison tool, inconvenience payment</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">$ 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>
<td class="text">&#160;<span></span>
</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Deferred fuel and purchased power costs &#8212; current period</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">52,210,000<span></span>
</td>
<td class="nump">5,785,000<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>
<td class="text">&#160;<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_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization', window );">Amounts refunded to 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">564,000<span></span>
</td>
<td class="nump">1,808,000<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>
<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_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle', window );">Percentage increase under PSA effective for first billing cycle beginning April 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA', window );">Remaining percentage increase under PSA effective for first billing cycle beginning November 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RegulatoryMattersDemandSideManagementFunds', window );">Demand side management funds</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 36,000,000<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>
<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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCredits', window );">Customer credits</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 43,000,000<span></span>
</td>
<td class="nump">43,000,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds', window );">Customer credits, additional funds</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 7,000,000<span></span>
</td>
<td class="nump">$ 7,000,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | 2017 Settlement Agreement and its Customer Education and Outreach Plan</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_LitigationSettlementAmountAwardedToOtherParty', window );">Settlement amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 24,750,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_LitigationSettlementAmountAwardedToCustomers', window );">Settlement amount returned to customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 24,000,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRegulatoryProceedingAxis=pnw_LostFixedCostRecoveryMechanismsMember', window );">Lost Fixed Cost Recovery Mechanisms | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterFixedCostRecoverablePerPowerLost1', window );">Fixed cost recoverable per power lost (in dollars per kWh) | $ / kWh</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.025<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterCapPercentageOfRetailRevenue', window );">Percentage of retail 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">1.00%<span></span>
</td>
<td class="nump">1.00%<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval', window );">Amount of adjustment representing prorated sales losses pending approval</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 38,500,000<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="nump">$ 26,600,000<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="nump">$ 36,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 60,700,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses', window );">Increase (decrease) in amount of adjustment representing prorated sales losses</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 11,800,000<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="num">$ (9,600,000)<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="num">$ (24,500,000)<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesProgramTerm', window );">Program term</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">18 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>
<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount', window );">Gross-up for revenue requirement of rate regulation</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>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (184,000,000)<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>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 86,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 119,100,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod', window );">Deferred taxes amortization, period</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">28 years 6 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit', window );">Public Utilities, one-time bill 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 64,000,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit', window );">Public Utilities, one-time bill credit, additional benefit</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 39,500,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesNumberOfPrograms', window );">Number of programs | program</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesSolarPowerCapacity', window );">Solar power capacity (in MW) | MW</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">80<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | RES | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterPlanTerm', window );">Plan term</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | RES 2018 | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterProposedBudget', window );">Amount of proposed budget</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 84,700,000<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="nump">$ 86,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 89,900,000<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_pnw_RateMattersRevenueRequirements', window );">Revenue requirements</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 4,500,000<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="rh">
<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | RES 2018 | APS | Solar Communities</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesProgramTerm', window );">Program term</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | Demand Side Management Adjustor Charge 2018 | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterProposedBudget', window );">Amount of proposed budget</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 52,600,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 52,600,000<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_RegulatoryAgencyAxis=pnw_ArizonaCorporationCommissionMember', window );">ACC | Demand Side Management Adjustor Charge 2019 | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterProposedBudget', window );">Amount of proposed budget</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 34,100,000<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_RegulatoryAgencyAxis=pnw_ArizonaCorporationCommissionMember', window );">ACC | Demand Side Management Adjustor Charge 2020 | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterProposedBudget', window );">Amount of proposed budget</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 51,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 51,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | Power Supply Adjustor (PSA) | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent', window );">Beginning balance</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 175,835,000<span></span>
</td>
<td class="nump">70,137,000<span></span>
</td>
<td class="nump">$ 70,137,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Deferred fuel and purchased power costs &#8212; current period</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">52,210,000<span></span>
</td>
<td class="nump">5,785,000<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>
<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_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization', window );">Amounts refunded to 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">564,000<span></span>
</td>
<td class="nump">1,808,000<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>
<td class="text">&#160;<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_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent', window );">Ending balance</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 228,609,000<span></span>
</td>
<td class="nump">$ 228,609,000<span></span>
</td>
<td class="nump">$ 77,730,000<span></span>
</td>
<td class="nump">175,835,000<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>
<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_pnw_PSARate1', window );">PSA rate (in dollars per kWh) | $ / kWh</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">0.003544<span></span>
</td>
<td class="text">&#160;<span></span>
</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">(0.000456)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.001658<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.004555<span></span>
</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">0.001544<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_ForwardComponentofPSARate1', window );">PSA rate for prior year (in dollars per kWh) | $ / kWh</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">0.003434<span></span>
</td>
<td class="text">&#160;<span></span>
</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">(0.002086)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.000536<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">(0.004444)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_HistoricalComponentofPSARate1', window );">Forward component of increase in PSA (in dollars per kWh) | $ / kWh</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">0.000110<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.001630<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.001122<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.005988<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | Net Metering | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease', window );">Cost of service, resource comparison proxy method, maximum annual percentage decrease</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">10.00%<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod', window );">Cost of service for interconnected DG system customers, grandfathered period</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMattersCostofServiceforNewCustomersGuaranteedExportPricePeriod', window );">Cost of service for new customers, guaranteed export price period</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterSettlementAgreementEnergyPriceforExportedEnergy1', window );">First-year export energy price (in dollars per kWh) | $ / kWh</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.129<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1', window );">Second-year export energy price (in dollars per kWh) | $ / kWh</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">0.094<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">0.105<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | Demand Side Management Adjustor Charge 2021 | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterProposedBudget', window );">Amount of proposed budget</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 63,700,000<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>
<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=pnw_UnitedStatesFederalEnergyRegulatoryCommissionMember', window );">United States Federal Energy Regulatory Commission | Environmental Improvement Surcharge | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMattersIncreaseDecreaseinCostRecovery', window );">Increase (decrease) in annual wholesale transmission 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="nump">$ 10,300,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount', window );">Rate matters, increase (decrease) in cost recovery, excess of annual 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">$ 1,500,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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=pnw_UnitedStatesFederalEnergyRegulatoryCommissionMember', window );">United States Federal Energy Regulatory Commission | Open Access Transmission Tariff | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMattersIncreaseDecreaseinCostRecovery', window );">Increase (decrease) in annual wholesale transmission 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="num">$ (6,100,000)<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="nump">$ 25,800,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates', window );">Retail customer 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="nump">$ 10,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,700,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesRegulatoryRegulatoryMattersAxis=pnw_CostRecoveryMechanismsMember', window );">Cost Recovery Mechanisms | ACC | Power Supply Adjustor (PSA) | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PSARateInPriorYears1', window );">Historical component of increase in PSA (in dollars per kWh) | $ / kWh</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">0.004<span></span>
</td>
<td class="text">&#160;<span></span>
</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">(0.002115)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">(0.002897)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_CostRecoveryNumberOfAgreements', window );">Cost recovery, number of agreements | 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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<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_StatementScenarioAxis=srt_ScenarioForecastMember', window );">Forecast | ACC | Net Metering | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1', window );">Second-year export energy price (in dollars per kWh) | $ / kWh</a></td>
<td class="nump">0.105<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_RangeAxis=srt_MinimumMember', window );">Minimum | ACC | APS</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward', window );"><strong>Change in regulatory asset</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_RegulatoryImpactOperatingResults', window );">Operating results</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>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (69,000,000)<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_RangeAxis=srt_MinimumMember', window );">Minimum | ACC | RES 2018 | APS | Solar Communities</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesRequiredAnnualCapitalInvestment', window );">Required annual capital investment</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 10,000,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_RangeAxis=srt_MaximumMember', window );">Maximum | ACC | RES 2018 | APS | Solar Communities</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_PublicUtilitiesRateMattersApprovedAbstract', window );"><strong>Settlement Agreement</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_PublicUtilitiesRequiredAnnualCapitalInvestment', window );">Required annual capital investment</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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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">$ 15,000,000<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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_pnw_AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Adjustment Representing Prorated Sales Losses Pending Approval</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;">pnw_AmountofAdjustmentRepresentingProratedSalesLossesPendingApproval</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_CostRecoveryNumberOfAgreements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cost Recovery, Number Of Agreements</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;">pnw_CostRecoveryNumberOfAgreements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_DeferredFuelAndPurchasedPowerRegulatoryAssetLiabilityRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred Fuel and Purchased Power Regulatory Asset (Liability), Current</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;">pnw_DeferredFuelandPurchasedPowerRegulatoryAssetLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_ForwardComponentofPSARate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Forward Component of PSA Rate1</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;">pnw_ForwardComponentofPSARate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_HistoricalComponentofPSARate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Historical Component of PSA Rate1</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;">pnw_HistoricalComponentofPSARate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amortization of deferred fuel and purchased power 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;">pnw_IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase (Decrease) in Amount of Adjustment Representing Prorated Sales Losses</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;">pnw_IncreaseDecreaseinAmountofAdjustmentRepresentingProratedSalesLosses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_LitigationSettlementAmountAwardedToCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Litigation Settlement, Amount Awarded 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;">pnw_LitigationSettlementAmountAwardedToCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PSARate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>PSA Rate1</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;">pnw_PSARate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_PSARateInPriorYears1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>PSA Rate In Prior Years1</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;">pnw_PSARateInPriorYears1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_PublicUtilitiesNumberOfPrograms">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Number Of Programs</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;">pnw_PublicUtilitiesNumberOfPrograms</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_PublicUtilitiesProgramTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Program 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;">pnw_PublicUtilitiesProgramTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Rate Increase (Decrease), Amount, One-time Bill Credit</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;">pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Rate Increase (Decrease), Amount, One-time Bill Credit, Additional Benefit</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;">pnw_PublicUtilitiesRequestedRateIncreaseDecreaseAmountOnetimeBillCreditAdditionalBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Rate Increase (Decrease), Deferred Taxes Amortization, 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;">pnw_PublicUtilitiesRequestedRateIncreaseDecreaseDeferredTaxesAmortizationPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Rate Increase (Decrease), Tax Cuts And Jobs Act of 2017, Income Tax 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;">pnw_PublicUtilitiesRequestedRateIncreaseDecreaseTaxCutsAndJobsActOf2017IncomeTaxAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesRequiredAnnualCapitalInvestment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Required Annual Capital Investment</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;">pnw_PublicUtilitiesRequiredAnnualCapitalInvestment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PublicUtilitiesSolarPowerCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Solar Power 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;">pnw_PublicUtilitiesSolarPowerCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:powerItemType</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_pnw_RateMatterCapPercentageOfRetailRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 information pertaining to cap percentage of retail revenues.</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;">pnw_RateMatterCapPercentageOfRetailRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RateMatterFixedCostRecoverablePerPowerLost1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Fixed Cost Recoverable Per Power Lost1</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;">pnw_RateMatterFixedCostRecoverablePerPowerLost1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_RateMatterPlanTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of time covered by a plan to implement a standard enacted by a regulatory authority.</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;">pnw_RateMatterPlanTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMatterProposedBudget">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amount of proposed budget.</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;">pnw_RateMatterProposedBudget</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Request Second-Year Energy Price for Exported Energy1</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;">pnw_RateMatterRequestSecondYearEnergyPriceforExportedEnergy1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_RateMatterSettlementAgreementEnergyPriceforExportedEnergy1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matter, Settlement Agreement, Energy Price for Exported Energy1</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;">pnw_RateMatterSettlementAgreementEnergyPriceforExportedEnergy1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</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_pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matters, Cost of Service, Resource Comparison Proxy Method, Maximum Annual Percentage Decrease</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;">pnw_RateMattersCostofServiceResourceComparisonProxyMethodMaximumAnnualPercentageDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matters, Cost of Service for Interconnected DG System Customers, Grandfathered 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;">pnw_RateMattersCostofServiceforInterconnectedDGSystemCustomersGrandfatheredPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMattersCostofServiceforNewCustomersGuaranteedExportPricePeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matters, Cost of Service for New Customers, Guaranteed Export Price 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;">pnw_RateMattersCostofServiceforNewCustomersGuaranteedExportPricePeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMattersIncreaseDecreaseinCostRecovery">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matters, Increase (Decrease) in Cost Recovery</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;">pnw_RateMattersIncreaseDecreaseinCostRecovery</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matters, Increase (Decrease) in Cost Recovery, Excess Of Annual 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;">pnw_RateMattersIncreaseDecreaseinCostRecoveryExcessOfAnnualAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matters, Increase (Decrease) in Cost Recovery, Retail Customer 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;">pnw_RateMattersIncreaseDecreaseinCostRecoveryRetailCustomerRates</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RateMattersRevenueRequirements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Matters, Revenue Requirements</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;">pnw_RateMattersRevenueRequirements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RatePlanComparisonToolInconveniencePayment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Plan Comparison Tool, Inconvenience Payment</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;">pnw_RatePlanComparisonToolInconveniencePayment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RatePlanComparisonToolNumberOfCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Plan Comparison Tool, Number Of 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;">pnw_RatePlanComparisonToolNumberOfCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryImpactOperatingResults">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Impact, Operating Results</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;">pnw_RegulatoryImpactOperatingResults</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersDemandSideManagementFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Demand Side Management Funds</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;">pnw_RegulatoryMattersDemandSideManagementFunds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCredits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Demand Side Management Funds, Customer 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;">pnw_RegulatoryMattersDemandSideManagementFundsCustomerCredits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Demand Side Management Funds, Customer Credits, Additional Funds</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;">pnw_RegulatoryMattersDemandSideManagementFundsCustomerCreditsAdditionalFunds</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Percentage Increase Due Under PSA In First Billing Cycle</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;">pnw_RegulatoryMattersPercentageIncreaseDueUnderPSAInFirstBillingCycle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Matters, Remaining Percentage Increase Due Under PSA</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;">pnw_RegulatoryMattersRemainingPercentageIncreaseDueUnderPSA</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_IncreaseDecreaseInRegulatoryClauseRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 unrecovered fuel costs for a regulated utility company.</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=121586364&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_IncreaseDecreaseInRegulatoryClauseRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_LitigationSettlementAmountAwardedToOtherParty">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 awarded to other party in judgment or settlement of litigation.</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_LitigationSettlementAmountAwardedToOtherParty</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_PublicUtilitiesRateMattersApprovedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_PublicUtilitiesRateMattersApprovedAbstract</td>
</tr>
<tr>
<td style="padding-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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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_LitigationCaseAxis=pnw_A2017SettlementAgreementAndItsCustomerEducationAndOutreachPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_LitigationCaseAxis=pnw_A2017SettlementAgreementAndItsCustomerEducationAndOutreachPlanMember</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660512943528">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters - Four Corners and Cholla (Details) - APS - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="2">1 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2018</div></th>
<th class="th"><div>Apr. 30, 2018</div></th>
<th class="th"><div>Mar. 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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">SCE | Four Corners Units 4 and 5</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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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [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_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact', window );">Settlement agreement, ACC approved rate adjustment, annualized customer impact</a></td>
<td class="nump">$ 58.5<span></span>
</td>
<td class="nump">$ 67.5<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_RegulatoryAssetAxis=pnw_RetiredPowerPlantCostsMember', window );">Retired power plant 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="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [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_pnw_RegulatoryAssetNetBookValue', window );">Net book value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 52.9<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_NavajoPlantMember', window );">Navajo Plant</a></td>
<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_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [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_pnw_RegulatoryAssetNetBookValue', window );">Net book value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">69.4<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_NavajoPlantCoalReclamationRegulatoryAssetMember', window );">Navajo Plant, Coal Reclamation Regulatory Asset</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [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_pnw_RegulatoryAssetNetBookValue', window );">Net book value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 17.8<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_RegulatoryAssetNetBookValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Asset, Net Book 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;">pnw_RegulatoryAssetNetBookValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 agreement, ACC approved rate adjustment, annualized customer 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>
<td style="white-space:nowrap;">pnw_SettlementagreementACCapprovedrateadjustmentannualizedcustomerimpact</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_BusinessAcquisitionLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_BusinessAcquisitionLineItems</td>
</tr>
<tr>
<td style="padding-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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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_BusinessAcquisitionAxis=pnw_SouthernCaliforniaEdisonCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_BusinessAcquisitionAxis=pnw_SouthernCaliforniaEdisonCompanyMember</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=pnw_FourCornersUnits4And5Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_FourCornersUnits4And5Member</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_RegulatoryAssetAxis=pnw_RetiredPowerPlantCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_RetiredPowerPlantCostsMember</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_RegulatoryAssetAxis=pnw_NavajoPlantMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_NavajoPlantMember</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_RegulatoryAssetAxis=pnw_NavajoPlantCoalReclamationRegulatoryAssetMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_NavajoPlantCoalReclamationRegulatoryAssetMember</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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<DOCUMENT>
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<SEQUENCE>59
<FILENAME>R45.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
<title></title>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660515148168">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Regulatory Matters - Schedule of Regulatory Assets (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Mar. 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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">$ 339,880<span></span>
</td>
<td class="nump">$ 291,713<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">1,135,857<span></span>
</td>
<td class="nump">1,133,987<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_PensionMember', window );">Pension</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</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_RegulatoryAssetsNoncurrent', window );">Non-Current</a></td>
<td class="nump">467,423<span></span>
</td>
<td class="nump">469,953<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_DeferredFuelandPurchasedPowerMember', window );">Deferred fuel and purchased power</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">228,609<span></span>
</td>
<td class="nump">175,835<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</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_RegulatoryAssetAxis=us-gaap_DeferredIncomeTaxChargesMember', window );">Income taxes &#8212; allowance for funds used during construction (&#8220;AFUDC&#8221;) equity</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">7,169<span></span>
</td>
<td class="nump">7,169<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">159,119<span></span>
</td>
<td class="nump">158,776<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_us-gaap_RegulatoryAssetAxis=pnw_RetiredPowerPlantCostsMember', window );">Retired power plant 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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">28,182<span></span>
</td>
<td class="nump">28,181<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">107,169<span></span>
</td>
<td class="nump">114,214<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_OctotilloDeferralMember', window );">Ocotillo deferral</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</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_RegulatoryAssetsNoncurrent', window );">Non-Current</a></td>
<td class="nump">110,820<span></span>
</td>
<td class="nump">95,723<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_SCRDeferralMember', window );">SCR deferral</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</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_RegulatoryAssetsNoncurrent', window );">Non-Current</a></td>
<td class="nump">88,044<span></span>
</td>
<td class="nump">81,307<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_DeferredPropertyTaxesMember', window );">Deferred property taxes</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">8,569<span></span>
</td>
<td class="nump">8,569<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">47,484<span></span>
</td>
<td class="nump">49,626<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_LostFixedCostRecoveryMember', window );">Lost fixed cost recovery</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">45,905<span></span>
</td>
<td class="nump">41,807<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</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_RegulatoryAssetAxis=pnw_DeferredCompensationMember', window );">Deferred compensation</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</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_RegulatoryAssetsNoncurrent', window );">Non-Current</a></td>
<td class="nump">35,806<span></span>
</td>
<td class="nump">36,195<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_FourCornersCostDeferralMember', window );">Four Corners cost deferral</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">8,077<span></span>
</td>
<td class="nump">8,077<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_RegulatoryAssetsNoncurrent', window );">Non-Current</a></td>
<td class="nump">22,056<span></span>
</td>
<td class="nump">24,075<span></span>
</td>
</tr>
<tr class="rh">
<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_InvestmentCreditMember', window );">Income taxes &#8212; investment tax credit basis 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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">1,113<span></span>
</td>
<td class="nump">1,113<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">24,221<span></span>
</td>
<td class="nump">24,291<span></span>
</td>
</tr>
<tr class="rh">
<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_VariableInterestEntityPrimaryBeneficiaryMember', window );">Palo Verde VIEs (Note 6)</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</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_RegulatoryAssetsNoncurrent', window );">Non-Current</a></td>
<td class="nump">21,409<span></span>
</td>
<td class="nump">21,255<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_CoalReclamationMember', window );">Coal reclamation</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">1,068<span></span>
</td>
<td class="nump">1,068<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">16,732<span></span>
</td>
<td class="nump">16,999<span></span>
</td>
</tr>
<tr class="rh">
<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_LossOnReacquiredDebtMember', window );">Loss on reacquired debt</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">1,703<span></span>
</td>
<td class="nump">1,689<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">10,486<span></span>
</td>
<td class="nump">10,877<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_MeadPhoenixtransmissionlineCIACMember', window );">Mead-Phoenix transmission line contributions in aid of construction (&#8220;CIAC&#8221;)</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">332<span></span>
</td>
<td class="nump">332<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">9,297<span></span>
</td>
<td class="nump">9,380<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_DemandSideManagementMember', window );">Demand side management</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</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_RegulatoryAssetsNoncurrent', window );">Non-Current</a></td>
<td class="nump">7,268<span></span>
</td>
<td class="nump">7,268<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_TaxExpenseAdjustorMechanismMember', window );">Tax expense adjustor mechanism</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">5,854<span></span>
</td>
<td class="nump">6,226<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</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_RegulatoryAssetAxis=pnw_TaxExpenseOfMedicareSubsidyMember', window );">Tax expense of Medicare subsidy</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">1,235<span></span>
</td>
<td class="nump">1,235<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">3,626<span></span>
</td>
<td class="nump">3,704<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_DeferredFuelAndPurchasedPowerMTMCostsMember', window );">Deferred fuel and purchased power &#8212; mark-to-market (Note 7)</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">3,341<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">3,728<span></span>
</td>
<td class="nump">9,244<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_PSAInterestMember', window );">PSA Interest</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">46<span></span>
</td>
<td class="nump">4,355<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</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_RegulatoryAssetAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember', window );">Other</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_RegulatoryAssetLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent', window );">Current</a></td>
<td class="nump">2,018<span></span>
</td>
<td class="nump">2,716<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="nump">$ 1,169<span></span>
</td>
<td class="nump">$ 1,100<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 asset including deferred fuel and purchased power as itemized in a table of regulatory current 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>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;">pnw_RegulatoryAssetIncludingDeferredFuelAndPurchasedPowerRegulatoryAssetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_RegulatoryAssetLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_RegulatoryAssetLineItems</td>
</tr>
<tr>
<td style="padding-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_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_RegulatoryAssetAxis=pnw_PensionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_PensionMember</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_RegulatoryAssetAxis=pnw_DeferredFuelandPurchasedPowerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DeferredFuelandPurchasedPowerMember</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_RegulatoryAssetAxis=us-gaap_DeferredIncomeTaxChargesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DeferredIncomeTaxChargesMember</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_RegulatoryAssetAxis=pnw_RetiredPowerPlantCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_RetiredPowerPlantCostsMember</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_RegulatoryAssetAxis=pnw_OctotilloDeferralMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_OctotilloDeferralMember</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_RegulatoryAssetAxis=pnw_SCRDeferralMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_SCRDeferralMember</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_RegulatoryAssetAxis=pnw_DeferredPropertyTaxesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DeferredPropertyTaxesMember</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_RegulatoryAssetAxis=pnw_LostFixedCostRecoveryMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_LostFixedCostRecoveryMember</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_RegulatoryAssetAxis=pnw_DeferredCompensationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DeferredCompensationMember</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_RegulatoryAssetAxis=pnw_FourCornersCostDeferralMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_FourCornersCostDeferralMember</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_RegulatoryAssetAxis=us-gaap_InvestmentCreditMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_InvestmentCreditMember</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_RegulatoryAssetAxis=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;">us-gaap_RegulatoryAssetAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember</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_RegulatoryAssetAxis=pnw_CoalReclamationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_CoalReclamationMember</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_RegulatoryAssetAxis=us-gaap_LossOnReacquiredDebtMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_LossOnReacquiredDebtMember</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_RegulatoryAssetAxis=pnw_MeadPhoenixtransmissionlineCIACMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_MeadPhoenixtransmissionlineCIACMember</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_RegulatoryAssetAxis=pnw_DemandSideManagementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DemandSideManagementMember</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_RegulatoryAssetAxis=pnw_TaxExpenseAdjustorMechanismMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_TaxExpenseAdjustorMechanismMember</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_RegulatoryAssetAxis=pnw_TaxExpenseOfMedicareSubsidyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_TaxExpenseOfMedicareSubsidyMember</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_RegulatoryAssetAxis=pnw_DeferredFuelAndPurchasedPowerMTMCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DeferredFuelAndPurchasedPowerMTMCostsMember</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_RegulatoryAssetAxis=pnw_PSAInterestMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_PSAInterestMember</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_RegulatoryAssetAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_OtherRegulatoryAssetsLiabilitiesMember</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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</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>60
<FILENAME>R46.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660515331544">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Regulatory Matters - Schedule of Regulatory Liabilities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2022</div></th>
<th class="th"><div>Mar. 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_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 250,228<span></span>
</td>
<td class="nump">$ 229,088<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,427,769<span></span>
</td>
<td class="nump">2,450,169<span></span>
</td>
</tr>
<tr class="rh">
<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_AssetRetirementObligationCostsMember', window );">Asset retirement obligations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<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_RegulatoryLiabilityNoncurrent', window );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">519,015<span></span>
</td>
<td class="nump">506,049<span></span>
</td>
</tr>
<tr class="rh">
<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_PostretirementBenefitCostsMember', window );">Other postretirement benefits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">37,705<span></span>
</td>
<td class="nump">37,705<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">337,853<span></span>
</td>
<td class="nump">349,588<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Removal 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="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">55,247<span></span>
</td>
<td class="nump">52,844<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_RegulatoryLiabilityNoncurrent', window );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">89,937<span></span>
</td>
<td class="nump">103,008<span></span>
</td>
</tr>
<tr class="rh">
<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_DeferredIncomeTaxChargesMember', window );">Income taxes &#8212; change in rates</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,839<span></span>
</td>
<td class="nump">2,839<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">66,374<span></span>
</td>
<td class="nump">66,553<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_FourCornersCoalReclamationMember', window );">Four Corners coal reclamation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,461<span></span>
</td>
<td class="nump">5,460<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">49,703<span></span>
</td>
<td class="nump">49,435<span></span>
</td>
</tr>
<tr class="rh">
<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_InvestmentCreditMember', window );">Income taxes &#8212; deferred investment tax credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,231<span></span>
</td>
<td class="nump">2,231<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">48,507<span></span>
</td>
<td class="nump">48,648<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_SpentNuclearFuelMember', window );">Spent nuclear fuel</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,831<span></span>
</td>
<td class="nump">6,768<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">43,059<span></span>
</td>
<td class="nump">44,221<span></span>
</td>
</tr>
<tr class="rh">
<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_RenewableEnergyProgramMember', window );">Renewable energy standard</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">34,460<span></span>
</td>
<td class="nump">39,442<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30<span></span>
</td>
<td class="nump">103<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_DeferredFuelAndPurchasedPowerMTMCostsMember', window );">Deferred fuel and purchased power &#8212; mark-to-market (Note 7)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20,829<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_RegulatoryLiabilityNoncurrent', window );">Non-Current</a></td>
<td class="text">&#160;<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_RegulatoryLiabilityAxis=pnw_DeferredPropertyTaxesMember', window );">Property tax deferral</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<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_RegulatoryLiabilityNoncurrent', window );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,022<span></span>
</td>
<td class="nump">13,856<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_SundanceMaintenanceMember', window );">Sundance maintenance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,867<span></span>
</td>
<td class="nump">2,989<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,910<span></span>
</td>
<td class="nump">11,508<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_us-gaap_RegulatoryLiabilityAxis=pnw_DemandSideManagementMember', window );">Demand side management</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,821<span></span>
</td>
<td class="nump">10,819<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,975<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_RegulatoryLiabilityAxis=pnw_FERCTransmissionTrueUpMember', window );">FERC transmission true up</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,630<span></span>
</td>
<td class="nump">6,598<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,379<span></span>
</td>
<td class="nump">3,008<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_TransmissionCostAdjustorMember', window );">TCA balancing account</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,315<span></span>
</td>
<td class="nump">2,902<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_RegulatoryLiabilityNoncurrent', window );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,754<span></span>
</td>
<td class="nump">4,672<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_TaxExpenseAdjustorMechanismMember', window );">Tax expense adjustor mechanism</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,452<span></span>
</td>
<td class="nump">7,089<span></span>
</td>
</tr>
<tr class="re">
<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 );">Non-Current</a></td>
<td class="text">&#160;<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_RegulatoryLiabilityAxis=pnw_TaxExpenseAdjustorMechanismMember', window );">Tax expense adjustor mechanism | Forecast</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="nump">$ 7,000<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_RegulatoryLiabilityAxis=pnw_DeferredGainsonUtilityPropertyMember', window );">Deferred gains on utility property</a></td>
<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_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,423<span></span>
</td>
<td class="nump">2,423<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">939<span></span>
</td>
<td class="nump">1,544<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_ActiveUnionMedicalTrustMember', window );">Active union medical trust</a></td>
<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_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<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_RegulatoryLiabilityNoncurrent', window );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,337<span></span>
</td>
<td class="nump">6,057<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_OtherRegulatoryLiabilitiesMember', window );">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_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">524<span></span>
</td>
<td class="nump">409<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59<span></span>
</td>
<td class="nump">189<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_ArizonaCorporationCommissionMember', window );">ACC | Excess deferred income taxes - ACC - Tax Cuts and Jobs Act</a></td>
<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_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">41,353<span></span>
</td>
<td class="nump">41,330<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,004,226<span></span>
</td>
<td class="nump">1,012,583<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_UnitedStatesFederalEnergyRegulatoryCommissionMember', window );">United States Federal Energy Regulatory Commission | Excess deferred income taxes - ACC - Tax Cuts and Jobs Act</a></td>
<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_RegulatoryLiabilitiesLineItems', window );"><strong>Detail of regulatory 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="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent', window );">Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,240<span></span>
</td>
<td class="nump">7,240<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Non-Current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 228,690<span></span>
</td>
<td class="nump">$ 229,147<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 including deferred fuel and purchased power 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>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;">pnw_RegulatoryLiabilityIncludingDeferredFuelAndPurchasedPowerRegulatoryLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_RegulatoryLiabilitiesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_RegulatoryLiabilitiesLineItems</td>
</tr>
<tr>
<td style="padding-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_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_RegulatoryLiabilityAxis=us-gaap_AssetRetirementObligationCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_AssetRetirementObligationCostsMember</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_RegulatoryLiabilityAxis=us-gaap_PostretirementBenefitCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_PostretirementBenefitCostsMember</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_RegulatoryLiabilityAxis=us-gaap_RemovalCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_RemovalCostsMember</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_RegulatoryLiabilityAxis=us-gaap_DeferredIncomeTaxChargesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DeferredIncomeTaxChargesMember</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_RegulatoryLiabilityAxis=pnw_FourCornersCoalReclamationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_FourCornersCoalReclamationMember</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_RegulatoryLiabilityAxis=us-gaap_InvestmentCreditMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_InvestmentCreditMember</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_RegulatoryLiabilityAxis=pnw_SpentNuclearFuelMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_SpentNuclearFuelMember</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_RegulatoryLiabilityAxis=us-gaap_RenewableEnergyProgramMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_RenewableEnergyProgramMember</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_RegulatoryLiabilityAxis=pnw_DeferredFuelAndPurchasedPowerMTMCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DeferredFuelAndPurchasedPowerMTMCostsMember</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_RegulatoryLiabilityAxis=pnw_DeferredPropertyTaxesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DeferredPropertyTaxesMember</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_RegulatoryLiabilityAxis=pnw_SundanceMaintenanceMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_SundanceMaintenanceMember</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_RegulatoryLiabilityAxis=pnw_DemandSideManagementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_DemandSideManagementMember</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_RegulatoryLiabilityAxis=pnw_FERCTransmissionTrueUpMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_FERCTransmissionTrueUpMember</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_RegulatoryLiabilityAxis=pnw_TransmissionCostAdjustorMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_TransmissionCostAdjustorMember</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_RegulatoryLiabilityAxis=pnw_TaxExpenseAdjustorMechanismMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_TaxExpenseAdjustorMechanismMember</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_StatementScenarioAxis=srt_ScenarioForecastMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_StatementScenarioAxis=srt_ScenarioForecastMember</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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<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_RegulatoryLiabilityAxis=pnw_DeferredGainsonUtilityPropertyMember</td>
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<td><strong> Name:</strong></td>
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<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">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=pnw_ArizonaCorporationCommissionMember</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_RegulatoryLiabilityAxis=pnw_TaxCutsandJobsActof2017ExcessDeferredIncomeTaxesMember</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660512337432">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Retirement Plans and Other Postretirement Benefits - Narrative (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jan. 04, 2021</div></th>
<th class="th"><div>Mar. 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_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems', window );"><strong>Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [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_pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations', window );">Initial pre-65 ultimate health care cost trend rate (as a 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">4.75%<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_pnw_DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation', window );">Initial post-65 healthcare cost trend rate (as a percent)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssetsTransferredToFromPlan', window );">Transfer to active union medical account</a></td>
<td class="num">$ (106,000,000)<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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DefinedBenefitPlanEmployerContributionsAbstract', window );"><strong>Contributions</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_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear', window );">Expected voluntary employer contributions in the next fiscal year</a></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>
</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_pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo', window );">Expected voluntary employer contributions in the year after next fiscal year</a></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>
</tr>
<tr class="rh">
<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&#160;Benefits</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_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems', window );"><strong>Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [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_DefinedBenefitPlanAssetsTransferredToFromPlan', window );">Transfer to active union medical account</a></td>
<td class="nump">106,000,000<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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DefinedBenefitPlanEmployerContributionsAbstract', window );"><strong>Contributions</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_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears', window );">Estimated future employer contributions in next three years</a></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>
</tr>
<tr class="rh">
<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&#160;Benefits</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_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems', window );"><strong>Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [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_DefinedBenefitPlanAssetsTransferredToFromPlan', window );">Transfer to active union medical account</a></td>
<td class="num">$ (106,000,000)<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="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DefinedBenefitPlanEmployerContributionsAbstract', window );"><strong>Contributions</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_pnw_DefinedBenefitPlansVoluntaryContributions', window );">Voluntary contributions</a></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>
</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_pnw_DefinedBenefitPlansEstimatedMinimumFutureEmployerContributionsNextThreeFiscalYears', window );">Minimum employer contributions for the next three years</a></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>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear', window );">Expected voluntary employer contributions in the remainder of the current fiscal year</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 100,000,000<span></span>
</td>
<td class="text">&#160;<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_pnw_DefinedBenefitPlanEmployerContributionsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_DefinedBenefitPlanEmployerContributionsAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</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>Defined Benefit Plan, Expected Future Employer Contributions, Year Two</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;">pnw_DefinedBenefitPlanExpectedFutureEmployerContributionsYearTwo</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_pnw_DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Post-65 Health Care Cost Trend Rate Assumed for Next Fiscal Year, Used in Calculating 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;">pnw_DefinedBenefitPlanPost65HealthCareCostTrendRateAssumedforNextFiscalYearUsedinCalculatingBenefitObligation</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>Defined Benefit Plan, Ultimate Health Care Cost Trend Rate used in Calculating Benefit Obligations</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;">pnw_DefinedBenefitPlanUltimateHealthCareCostTrendRateusedinCalculatingBenefitObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Plans, Estimated Future Employer Contributions in Next 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;">pnw_DefinedBenefitPlansEstimatedFutureEmployerContributionsinNextThreeYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DefinedBenefitPlansEstimatedMinimumFutureEmployerContributionsNextThreeFiscalYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Plans Estimated Minimum Future Employer Contributions, Next Three Fiscal 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;">pnw_DefinedBenefitPlansEstimatedMinimumFutureEmployerContributionsNextThreeFiscalYears</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DefinedBenefitPlansVoluntaryContributions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Plans, Voluntary Contributions</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;">pnw_DefinedBenefitPlansVoluntaryContributions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_DefinedBenefitPlanAssetsTransferredToFromPlan">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 assets transferred into (from) 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_DefinedBenefitPlanAssetsTransferredToFromPlan</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=118255775&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=118257860&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>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 remainder of current fiscal year. Excludes contribution previously paid by employer in 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 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=118255775&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 18<br> -URI http://asc.fasb.org/extlink&amp;oid=118257860&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_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems</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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<td><strong> Balance Type:</strong></td>
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<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_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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<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>
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<tr>
<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513094888">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Retirement Plans and Other Postretirement Benefits - Schedule of Net Benefit Cost (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract', window );"><strong>Amortization of:</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_PensionAndOtherPostretirementBenefitExpense', window );">Portion of cost/(benefit) charged to expense</a></td>
<td class="num">$ (27,791)<span></span>
</td>
<td class="num">$ (13,911)<span></span>
</td>
</tr>
<tr class="rh">
<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&#160;Benefits</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>Retirement Plans and Other Benefits</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_DefinedBenefitPlanServiceCost', window );">Service cost &#8212; benefits earned during the period</a></td>
<td class="nump">15,679<span></span>
</td>
<td class="nump">14,257<span></span>
</td>
</tr>
<tr class="ro">
<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 on benefit obligation</a></td>
<td class="nump">24,669<span></span>
</td>
<td class="nump">29,761<span></span>
</td>
</tr>
<tr class="re">
<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 plan assets</a></td>
<td class="num">(50,608)<span></span>
</td>
<td class="num">(46,806)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract', window );"><strong>Amortization of:</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_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Prior service credit</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_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Net actuarial loss (gain)</a></td>
<td class="nump">3,985<span></span>
</td>
<td class="nump">9,011<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 cost/(benefit)</a></td>
<td class="num">(6,275)<span></span>
</td>
<td class="nump">6,223<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Portion of cost/(benefit) charged to expense</a></td>
<td class="num">(8,011)<span></span>
</td>
<td class="nump">1,342<span></span>
</td>
</tr>
<tr class="rh">
<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&#160;Benefits</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>Retirement Plans and Other Benefits</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_DefinedBenefitPlanServiceCost', window );">Service cost &#8212; benefits earned during the period</a></td>
<td class="nump">4,557<span></span>
</td>
<td class="nump">5,717<span></span>
</td>
</tr>
<tr class="ro">
<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 on benefit obligation</a></td>
<td class="nump">4,162<span></span>
</td>
<td class="nump">6,512<span></span>
</td>
</tr>
<tr class="re">
<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 plan assets</a></td>
<td class="num">(10,361)<span></span>
</td>
<td class="num">(10,019)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract', window );"><strong>Amortization of:</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_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Prior service credit</a></td>
<td class="num">(9,427)<span></span>
</td>
<td class="num">(9,394)<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Net actuarial loss (gain)</a></td>
<td class="num">(2,405)<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 cost/(benefit)</a></td>
<td class="num">(13,474)<span></span>
</td>
<td class="num">(7,184)<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Portion of cost/(benefit) charged to expense</a></td>
<td class="num">$ (9,528)<span></span>
</td>
<td class="num">$ (5,456)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of Prior Service Cost and Net Actuarial Loss [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;">pnw_AmortizationofPriorServiceCostandNetActuarialLossAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_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=109237824&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=118255775&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=118257860&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=118257860&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=118255775&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=118257860&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=118255775&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=109237824&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=118257860&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=118255775&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=118257860&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=118257860&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=118255775&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=109237824&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=118255775&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=118255775&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=109237824&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=118257860&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=118257860&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=118255775&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=118255775&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=118255775&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=118257860&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=118257860&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=118255775&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=118255775&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=118257860&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=118255775&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=118255775&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=118257860&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_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_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_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>63
<FILENAME>R49.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660621663896">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Palo Verde Sale Leaseback Variable Interest Entities - Narrative (Details)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>Lease </div>
<div>power_plant</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 1986 </div>
<div>Trust</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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net income attributable to noncontrolling interests</a></td>
<td class="nump">$ 4,873,000<span></span>
</td>
<td class="nump">$ 4,873,000<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</a></td>
<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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_pnw_NumberOfVIELessorTrusts', window );">Number of VIE lessor trusts</a></td>
<td class="nump">3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3<span></span>
</td>
</tr>
<tr class="ro">
<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 noncontrolling interests</a></td>
<td class="nump">$ 4,873,000<span></span>
</td>
<td class="nump">4,873,000<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_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember', window );">Palo Verde VIE | APS</a></td>
<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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net income attributable to noncontrolling interests</a></td>
<td class="nump">5,000,000<span></span>
</td>
<td class="nump">$ 5,000,000<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_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount', window );">Initial loss exposure to the VIE's noncontrolling equity participants during lease extension period</a></td>
<td class="nump">307,000,000<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_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount', window );">Maximum loss exposure to the VIE's noncontrolling equity participants during lease extension period</a></td>
<td class="nump">$ 501,000,000<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_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember', window );">Palo Verde VIE | APS | Period through 2023</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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>Palo Verde Sale Leaseback Variable Interest Entities</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_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod', window );">Number of leases under which assets are retained | Lease</a></td>
<td class="nump">1<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_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember', window );">Palo Verde VIE | APS | Period through 2033</a></td>
<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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod', window );">Number of leases under which assets are retained | Lease</a></td>
<td class="nump">2<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_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember', window );">Palo Verde VIE | APS | Period 2021 through 2033</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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>Palo Verde Sale Leaseback Variable Interest Entities</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_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod', window );">Number of leases under which assets are retained | Lease</a></td>
<td class="nump">3<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_pnw_AnnualRentalPaymentsSaleLeasebackTransaction', window );">Annual lease payments</a></td>
<td class="nump">$ 21,000,000<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_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember', window );">Palo Verde VIE | APS | Period 2021 through 2033 | 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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_pnw_SaleLeasebackTransactionLeasePeriod', window );">Lease period (up to)</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>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_AnnualRentalPaymentsSaleLeasebackTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Rental Payments, Sale Leaseback 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;">pnw_AnnualRentalPaymentsSaleLeasebackTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_NumberOfVIELessorTrusts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 VIE lessor trusts with whom agreements have been made to sell and lease back interests in certain nuclear generating assets and related common facilities.</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;">pnw_NumberOfVIELessorTrusts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SaleLeasebackTransactionLeasePeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 period of lease entered into in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.</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;">pnw_SaleLeasebackTransactionLeasePeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 number of leases under which assets are retained through a specified 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;">pnw_SaleLeasebackTransactionNumberOfLeasesUnderWhichAssetsRetainedThroughSpecifiedPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Variable Interest Entity, Entity Initial Loss Exposure to Noncontrolling Interests During Lease Extension Period, 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;">pnw_VariableInterestEntityEntityInitialLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Variable Interest Entity, Entity Maximum Loss Exposure to Noncontrolling Interests During Lease Extension Period, 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;">pnw_VariableInterestEntityEntityMaximumLossExposuretoNoncontrollingInterestsDuringLeaseExtensionPeriodAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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=121641772&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=109234566&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=121641772&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=109234566&amp;loc=d3e22663-107794<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_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_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>
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<td>xbrli:stringItemType</td>
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<td>na</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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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;">srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember</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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<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_pnw_SaleLeasebackTransactionPeriodAxis=pnw_SaleLeasebackTransactionPeriodThrough2023Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_SaleLeasebackTransactionPeriodAxis=pnw_SaleLeasebackTransactionPeriodThrough2023Member</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>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;">pnw_SaleLeasebackTransactionPeriodAxis=pnw_SaleLeasebackTransactionPeriodThrough2033Member</td>
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<tr>
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<td><strong> Data Type:</strong></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_pnw_SaleLeasebackTransactionPeriodAxis=pnw_SaleLeasebackTransactionPeriod2021Through2033Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_SaleLeasebackTransactionPeriodAxis=pnw_SaleLeasebackTransactionPeriod2021Through2033Member</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>
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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>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</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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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660514651272">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Palo Verde Sale Leaseback Variable Interest Entities - Schedule of VIEs (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Mar. 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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation</a></td>
<td class="nump">$ 15,315,701<span></span>
</td>
<td class="nump">$ 15,159,210<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityNonconsolidatedComparisonOfCarryingAmountOfAssetsAndLiabilitiesToMaximumLossExposureAbstract', window );"><strong>Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets</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_MinorityInterest', window );">Equity &#8212; Noncontrolling interests</a></td>
<td class="nump">124,164<span></span>
</td>
<td class="nump">119,290<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation</a></td>
<td class="nump">15,315,340<span></span>
</td>
<td class="nump">15,158,846<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityNonconsolidatedComparisonOfCarryingAmountOfAssetsAndLiabilitiesToMaximumLossExposureAbstract', window );"><strong>Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets</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_MinorityInterest', window );">Equity &#8212; Noncontrolling interests</a></td>
<td class="nump">124,164<span></span>
</td>
<td class="nump">119,290<span></span>
</td>
</tr>
<tr 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_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember', window );">Palo Verde VIE | APS</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_VariableInterestEntityLineItems', window );"><strong>Palo Verde Sale Leaseback Variable Interest Entities</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_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation</a></td>
<td class="nump">97,068<span></span>
</td>
<td class="nump">98,036<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityNonconsolidatedComparisonOfCarryingAmountOfAssetsAndLiabilitiesToMaximumLossExposureAbstract', window );"><strong>Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets</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_MinorityInterest', window );">Equity &#8212; Noncontrolling interests</a></td>
<td class="nump">$ 124,164<span></span>
</td>
<td class="nump">$ 119,290<span></span>
</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MinorityInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, 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>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(a)(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: 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=75031198&amp;loc=d3e14064-108612<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 210.5-02.31)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: 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 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(22))<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 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></p></div>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterest</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of total net PPE.</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>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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<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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660602544808">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative Accounting - Narrative (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative Accounting</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths', window );">Amounts reclassified from accumulated other comprehensive income in next twelve months</a></td>
<td class="text">&#160;<span></span>
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<td class="nump">$ 0<span></span>
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<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_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contracts</a></td>
<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_DerivativeLineItems', window );"><strong>Derivative Accounting</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_DerivativeNetLiabilityPositionAggregateFairValue', window );">Aggregate fair value of derivative instruments in a net liability position</a></td>
<td class="nump">$ 11,520,000<span></span>
</td>
<td class="nump">11,520,000<span></span>
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<td class="text">&#160;<span></span>
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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_pnw_NonDerivativeCreditRiskContractAdditionalCollateralAggregateFairValue', window );">Additional collateral to counterparties for energy related non-derivative instrument contracts</a></td>
<td class="nump">$ 86,000,000<span></span>
</td>
<td class="nump">86,000,000<span></span>
</td>
<td class="text">&#160;<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_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contracts | Designated as Hedging Instruments</a></td>
<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_DerivativeLineItems', window );"><strong>Derivative Accounting</strong></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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeOnDiscontinuation', window );">Amount reclassified from accumulated other comprehensive income to earnings related to discontinued cash flow hedges</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">APS</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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 Accounting</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_pnw_PercentageOfUnrealizedGainsAndLossesOnCertainDerivativesDeferredForFutureRateTreatment', window );">Percentage of unrealized gains and losses on certain derivatives deferred for future rate treatment</a></td>
<td class="nump">100.00%<span></span>
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<td class="nump">100.00%<span></span>
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<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_ConcentrationRiskByBenchmarkAxis=pnw_RiskManagementAssetsMember', window );">Risk Management Assets | Credit Concentration Risk</a></td>
<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_DerivativeLineItems', window );"><strong>Derivative Accounting</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">
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<td class="nump">59.00%<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
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<td class="nump">$ 26,000,000<span></span>
</td>
<td class="nump">$ 26,000,000<span></span>
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<td class="text">&#160;<span></span>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeOnDiscontinuation">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net gain (loss) reclassified from accumulated other comprehensive income into income on discontinuation of 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>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>The aggregate fair value of additional assets that would be required to be posted as collateral for non-derivative instruments with credit-risk related contingent features if the credit-risk-related contingent features were triggered 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>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>Percentage of unrealized gains and losses on certain derivatives deferred for future rate treatment pursuant to the PSA mechanism that would otherwise be recognized in income.</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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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>
<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 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121549185&amp;loc=d3e80748-113994<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ConcentrationRiskPercentage1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.</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 42<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e9054-108599<br><br>Reference 2: 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 18<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6351-108592<br><br>Reference 3: 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 20<br> -URI http://asc.fasb.org/extlink&amp;oid=121572278&amp;loc=d3e13531-108611<br><br>Reference 4: 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 21<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121572278&amp;loc=d3e13537-108611<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 20<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6404-108592<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskPercentage1</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_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>
</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_DerivativeNetLiabilityPositionAggregateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.</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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&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_DerivativeNetLiabilityPositionAggregateFairValue</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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<td><strong> Balance Type:</strong></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_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>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
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</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_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember">
<tr><td class="hide"><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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<tr>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
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<tr>
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<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</td>
</tr>
<tr>
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<tr>
<td><strong> Data Type:</strong></td>
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<td><strong> Balance 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_us-gaap_ConcentrationRiskByBenchmarkAxis=pnw_RiskManagementAssetsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_ConcentrationRiskByBenchmarkAxis=pnw_RiskManagementAssetsMember</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>
</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_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember</td>
</tr>
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<tr>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506865128">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Derivative Accounting - Schedule of Gross Notional Amounts Outstanding (Details) - Commodity Contracts<br> GWh in Thousands, Bcf in Thousands</strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>GWh </div>
<div>Bcf</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>GWh </div>
<div>Bcf</div>
</th>
</tr>
<tr class="re">
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure', window );">Power | GWh</a></td>
<td class="nump">368<span></span>
</td>
<td class="nump">368<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmountVolume', window );">Gas | Bcf</a></td>
<td class="nump">211<span></span>
</td>
<td class="nump">205<span></span>
</td>
</tr>
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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>Nominal energy measure used to calculate payments on a derivative 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;">us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure</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>Nominal volume used to calculate payments on a derivative 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>
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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">
<tr>
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<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513383864">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative Accounting - Gains and Losses from Derivative Instruments (Details) - Commodity Contracts - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember', window );">Designated as Hedging Instruments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Gains and losses from derivative instruments</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeOnDiscontinuation', window );">Amount reclassified from accumulated other comprehensive income to earnings related to discontinued cash flow hedges</a></td>
<td class="nump">$ 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_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember', window );">Designated as Hedging Instruments | Fuel and purchased power</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_DerivativeInstrumentsGainLossLineItems', window );"><strong>Gains and losses from derivative instruments</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_PriceRiskCashFlowHedgeGainOrLossReclassifiedToEarningsNet', window );">Loss Reclassified from Accumulated OCI into Income (Effective Portion Realized)</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(414,000)<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_HedgingDesignationAxis=us-gaap_NondesignatedMember', window );">Not Designated as Hedging Instruments | Fuel and purchased power</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_DerivativeGainLossOnDerivativeNetAbstract', window );"><strong>Gains and losses from derivative instruments</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_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet', window );">Net Gain (Loss) Recognized in Income</a></td>
<td class="nump">$ 26,859,000<span></span>
</td>
<td class="num">$ (30,078,000)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeOnDiscontinuation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 gain (loss) reclassified from accumulated other comprehensive income into income on discontinuation of 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>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;">pnw_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeOnDiscontinuation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_DerivativeGainLossOnDerivativeNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DerivativeGainLossOnDerivativeNetAbstract</td>
</tr>
<tr>
<td style="padding-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_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>
</tr>
<tr>
<td style="padding-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_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 realized and unrealized gain (loss) of derivative instruments not designated or 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://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 4CC<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&amp;loc=SL109998890-113959<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 (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&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_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PriceRiskCashFlowHedgeGainOrLossReclassifiedToEarningsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 gains or losses on price risk cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income.</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_PriceRiskCashFlowHedgeGainOrLossReclassifiedToEarningsNet</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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<tr>
<td><strong> Period Type:</strong></td>
<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_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DesignatedAsHedgingInstrumentMember</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_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>
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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>
</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_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>
<td style="white-space:nowrap;">us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember</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_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>
</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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<head>
<title></title>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660512026424">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Derivative Accounting - Derivative Instruments in the Balance Sheets (Details) - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OffsettingDerivativeAssetsAbstract', window );"><strong>Assets</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAsset', window );">Gross Recognized Derivatives</a></td>
<td class="nump">$ 25,811,000<span></span>
</td>
<td class="nump">$ 4,749,000<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_OffsettingDerivativeLiabilitiesAbstract', window );"><strong>Liabilities</strong></a></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_DerivativeLiabilities', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="num">(9,995,000)<span></span>
</td>
<td class="num">(18,619,000)<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_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contracts</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_OffsettingDerivativeAssetsAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeAsset', window );">Gross Recognized Derivatives</a></td>
<td class="nump">29,693,000<span></span>
</td>
<td class="nump">9,020,000<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_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset', window );">Amounts Offset</a></td>
<td class="num">(3,882,000)<span></span>
</td>
<td class="num">(4,271,000)<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_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral', window );">Net Recognized Derivatives</a></td>
<td class="nump">25,811,000<span></span>
</td>
<td class="nump">4,749,000<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_DerivativeAssetNotSubjectToMasterNettingArrangement', window );">Other</a></td>
<td class="nump">0<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_DerivativeAssets', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="nump">25,811,000<span></span>
</td>
<td class="nump">4,749,000<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_OffsettingDerivativeLiabilitiesAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeLiability', window );">Gross Recognized Derivatives</a></td>
<td class="num">(12,592,000)<span></span>
</td>
<td class="num">(21,605,000)<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_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset', window );">Amounts Offset</a></td>
<td class="nump">3,882,000<span></span>
</td>
<td class="nump">4,271,000<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_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral', window );">Net Recognized Derivatives</a></td>
<td class="num">(8,710,000)<span></span>
</td>
<td class="num">(17,334,000)<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_DerivativeLiabilityNotSubjectToMasterNettingArrangement', window );">Other</a></td>
<td class="num">(1,285,000)<span></span>
</td>
<td class="num">(1,285,000)<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_DerivativeLiabilities', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="num">(9,995,000)<span></span>
</td>
<td class="num">(18,619,000)<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_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract', window );"><strong>Assets and Liabilities</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability', window );">Gross Recognized Derivatives</a></td>
<td class="nump">17,101,000<span></span>
</td>
<td class="num">(12,585,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DerivativeAssetLiabilityFairValueGrossLiabilityAssetandObligationtoReturnandRighttoReclaimCashOffset', window );">Amounts Offset</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral', window );">Net Recognized Derivatives</a></td>
<td class="nump">17,101,000<span></span>
</td>
<td class="num">(12,585,000)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral', window );">Other</a></td>
<td class="num">(1,285,000)<span></span>
</td>
<td class="num">(1,285,000)<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_DerivativeAssetsLiabilitiesAtFairValueNet', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="nump">15,816,000<span></span>
</td>
<td class="num">(13,870,000)<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_DerivativeLiabilityNotSubjectToMasterNettingArrangement', window );">Cash collateral received from counterparties</a></td>
<td class="nump">1,285,000<span></span>
</td>
<td class="nump">1,285,000<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_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contracts | Current assets</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_OffsettingDerivativeAssetsAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeAsset', window );">Gross Recognized Derivatives</a></td>
<td class="nump">25,703,000<span></span>
</td>
<td class="nump">5,870,000<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_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset', window );">Amounts Offset</a></td>
<td class="num">(3,092,000)<span></span>
</td>
<td class="num">(2,939,000)<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_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral', window );">Net Recognized Derivatives</a></td>
<td class="nump">22,611,000<span></span>
</td>
<td class="nump">2,931,000<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_DerivativeAssetNotSubjectToMasterNettingArrangement', window );">Other</a></td>
<td class="nump">0<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_DerivativeAssets', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="nump">22,611,000<span></span>
</td>
<td class="nump">2,931,000<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_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contracts | Investments and other assets</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_OffsettingDerivativeAssetsAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeAsset', window );">Gross Recognized Derivatives</a></td>
<td class="nump">3,990,000<span></span>
</td>
<td class="nump">3,150,000<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_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset', window );">Amounts Offset</a></td>
<td class="num">(790,000)<span></span>
</td>
<td class="num">(1,332,000)<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_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral', window );">Net Recognized Derivatives</a></td>
<td class="nump">3,200,000<span></span>
</td>
<td class="nump">1,818,000<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_DerivativeAssetNotSubjectToMasterNettingArrangement', window );">Other</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<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_DerivativeAssets', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="nump">3,200,000<span></span>
</td>
<td class="nump">1,818,000<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_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contracts | Current liabilities</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_OffsettingDerivativeLiabilitiesAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeLiability', window );">Gross Recognized Derivatives</a></td>
<td class="num">(4,874,000)<span></span>
</td>
<td class="num">(9,211,000)<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_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset', window );">Amounts Offset</a></td>
<td class="nump">3,092,000<span></span>
</td>
<td class="nump">2,939,000<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_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral', window );">Net Recognized Derivatives</a></td>
<td class="num">(1,782,000)<span></span>
</td>
<td class="num">(6,272,000)<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_DerivativeLiabilityNotSubjectToMasterNettingArrangement', window );">Other</a></td>
<td class="num">(1,285,000)<span></span>
</td>
<td class="num">(1,285,000)<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_DerivativeLiabilities', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="num">(3,067,000)<span></span>
</td>
<td class="num">(7,557,000)<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_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract', window );"><strong>Assets and 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_DerivativeLiabilityNotSubjectToMasterNettingArrangement', window );">Cash collateral received from counterparties</a></td>
<td class="nump">1,285,000<span></span>
</td>
<td class="nump">1,285,000<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_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contracts | Deferred credits and other</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_OffsettingDerivativeLiabilitiesAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeLiability', window );">Gross Recognized Derivatives</a></td>
<td class="num">(7,718,000)<span></span>
</td>
<td class="num">(12,394,000)<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_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset', window );">Amounts Offset</a></td>
<td class="nump">790,000<span></span>
</td>
<td class="nump">1,332,000<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_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral', window );">Net Recognized Derivatives</a></td>
<td class="num">(6,928,000)<span></span>
</td>
<td class="num">(11,062,000)<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_DerivativeLiabilityNotSubjectToMasterNettingArrangement', window );">Other</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<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_DerivativeLiabilities', window );">Amount Reported&#160;on Balance Sheet</a></td>
<td class="num">(6,928,000)<span></span>
</td>
<td class="num">(11,062,000)<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_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract', window );"><strong>Assets and 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_DerivativeLiabilityNotSubjectToMasterNettingArrangement', window );">Cash collateral received from counterparties</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_pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Derivative Asset (Liability), Amount Not Offset Against Collateral</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;">pnw_DerivativeAssetLiabilityAmountNotOffsetAgainstCollateral</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Derivative Asset (Liability), Fair Value, Amount Not Offset Against Collateral</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;">pnw_DerivativeAssetLiabilityFairValueAmountNotOffsetAgainstCollateral</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 fair value of derivative asset, net of liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation 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>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;">pnw_DerivativeAssetLiabilityFairValueGrossAssetLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DerivativeAssetLiabilityFairValueGrossLiabilityAssetandObligationtoReturnandRighttoReclaimCashOffset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Derivative Asset (Liability), Fair Value, Gross Liability (Asset) and Obligation to Return and Right to Reclaim Cash, Offset</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;">pnw_DerivativeAssetLiabilityFairValueGrossLiabilityAssetandObligationtoReturnandRighttoReclaimCashOffset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_OffsettingDerivativeAssetsLiabilitiesNetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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://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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<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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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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, 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 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 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 (d)<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_DerivativeAssetNotSubjectToMasterNettingArrangement</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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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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. 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://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 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/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=121572278&amp;loc=d3e13433-108611<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 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>
<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>
<tr>
<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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative 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 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>
<td style="white-space:nowrap;">us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet</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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</div></td></tr>
</table>
<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>
<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 7<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226000-175313<br><br>Reference 2: 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 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 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 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4B<br> -Subparagraph (a),(c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&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>
</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>
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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 );">- 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>
<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 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://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 10<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226008-175313<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 9<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226006-175313<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 50<br> -Paragraph 8<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&amp;loc=d3e41678-113959<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_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral</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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<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=121590274&amp;loc=SL5624163-113959<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 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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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<tr>
<td><strong> Data Type:</strong></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_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 offset of derivative asset, of 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, elected not to be and before offset against a right to receive collateral under a master netting arrangement. 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 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&amp;loc=d3e41678-113959<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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<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 9<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226006-175313<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 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226008-175313<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_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral</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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<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>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://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 (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 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121572278&amp;loc=d3e13433-108611<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 10<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226008-175313<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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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></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>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://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>
<td style="white-space:nowrap;">us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset</td>
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<tr>
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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>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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, 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 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<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 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_DerivativeLiabilityNotSubjectToMasterNettingArrangement</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_OffsettingDerivativeAssetsAbstract</td>
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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">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OffsettingDerivativeLiabilitiesAbstract</td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember</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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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember</td>
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<td>na</td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherInvestmentsMember</td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508549688">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Derivative Accounting - Credit Risk and Credit Related Contingent Features (Details) - Commodity Contracts<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeCreditRiskRelatedContingentFeaturesAbstract', window );"><strong>Credit Risk and Credit-Related Contingent Features</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue', window );">Aggregate fair value of derivative instruments in a net liability position</a></td>
<td class="nump">$ 11,520<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_CollateralAlreadyPostedAggregateFairValue', window );">Cash collateral posted</a></td>
<td class="nump">0<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_AdditionalCollateralAggregateFairValue', window );">Additional cash collateral in the event credit-risk-related contingent features were fully triggered</a></td>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdditionalCollateralAggregateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered 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 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4H<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&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_AdditionalCollateralAggregateFairValue</td>
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<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=121590274&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>
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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_DerivativeCreditRiskRelatedContingentFeaturesAbstract</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>The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.</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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&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_DerivativeNetLiabilityPositionAggregateFairValue</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:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>instant</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>
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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>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>70
<FILENAME>R56.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513538952">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies - Palo Verde Nuclear Generating Station and Contractual Obligations (Details)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1">84 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Mar. 15, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Nov. 02, 2020 </div>
<div>claim</div>
</th>
<th class="th">
<div>Oct. 31, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>power_plant</div>
</th>
<th class="th">
<div>Jun. 30, 2018 </div>
<div>USD ($) </div>
<div>claim </div>
<div>time_period</div>
</th>
<th class="th">
<div>Dec. 31, 1986 </div>
<div>Trust</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_LitigationCaseAxis=pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember', window );">Breach of Contract for Disposal of Spent Nuclear Fuel and/or High Level Radioactive Waste</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_pnw_CommitmentsAndContingenciesLineItems', window );"><strong>Commitments and Contingencies</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_LitigationSettlementAmountAwardedFromOtherParty', window );">Litigation settlement amount</a></td>
<td class="nump">$ 12,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 12,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 99,700,000<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_pnw_CommitmentsAndContingenciesLineItems', window );"><strong>Commitments and Contingencies</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_pnw_MaximumInsuranceCoveragePerIncident', window );">Maximum insurance against public liability per occurrence for a nuclear incident (up to)</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">$ 13,700,000,000<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_pnw_MaximumAvailableNuclearLiabilityInsurance', window );">Maximum available nuclear liability insurance (up to)</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">450,000,000<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_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram', window );">Remaining nuclear liability insurance through mandatory industry wide retrospective assessment program</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">13,200,000,000<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_pnw_MaximumAssessmentPerReactorForEachNuclearIncident', window );">Maximum retrospective premium assessment per reactor for each nuclear liability incident</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">137,600,000<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_pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment', window );">Annual limit per incident with respect to maximum retrospective premium assessment</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">$ 20,500,000<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_pnw_NumberOfVIELessorTrusts', window );">Number of VIE lessor trusts</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">3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3<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_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident', window );">Maximum potential retrospective assessment per incident of APS</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">$ 120,100,000<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_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment', window );">Annual payment limitation with respect to maximum potential retrospective premium assessment</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">17,900,000<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_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde', window );">Amount of "all risk" (including nuclear hazards) insurance for property damage to, and decontamination of, property at Palo Verde</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">2,800,000,000<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_pnw_MaximumAmountthatCouldbeIncurredunderRetrospectiveAssessmentofNEILPolicies', window );">Maximum amount that APS could incur under the current NEIL policies for each retrospective assessment</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">22,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_CollateralAssuranceBasedOnRatingTriggers', window );">Collateral assurance provided based on rating triggers</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">$ 63,300,000<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_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers', window );">Period to provide collateral assurance based on rating triggers</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">20 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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Public Utilities, Inventory, Fuel</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_pnw_CommitmentsAndContingenciesLineItems', window );"><strong>Commitments and Contingencies</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_UnrecordedUnconditionalPurchaseObligationPurchases', window );">Purchase obligation</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">$ 550,000,000<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Breach of Contract for Disposal of Spent Nuclear Fuel and/or High Level Radioactive Waste</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_pnw_CommitmentsAndContingenciesLineItems', window );"><strong>Commitments and Contingencies</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_LitigationSettlementAmountAwardedFromOtherParty', window );">Litigation settlement amount</a></td>
<td class="nump">$ 3,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 29,000,000.0<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_pnw_GainContingencyNewClaimsFiledNumber', window );">Number of claims submitted | claim</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6<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_pnw_GainContingencyNumberofSettlementAgreementTimePeriods', window );">Number of settlement agreement time periods | time_period</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<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_pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 "all risk" (including nuclear hazards) insurance for property damage to, and decontamination of, property at Palo Verde of which a substantial portion must first be applied to stabilization and decontamination.</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;">pnw_AllRiskInsuranceForPropertyDamageAndDecontaminationAtPaloVerde</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 annual limit per incident with respect to the maximum assessment per reactor under the program for each nuclear incident, to be periodically adjusted for inflation.</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;">pnw_AnnualLimitPerIncidentWithRespectToMaximumAssessment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 annual payment limitation with respect to maximum potential retrospective assessment.</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;">pnw_AnnualPaymentLimitationWithRespectToMaximumPotentialRetrospectiveAssessment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_CollateralAssuranceBasedOnRatingTriggers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 collateral assurance provided that depends upon rating triggers such as a rating downgrade to non-investment grade under NEIL policies.</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;">pnw_CollateralAssuranceBasedOnRatingTriggers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_CommitmentsAndContingenciesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_CommitmentsAndContingenciesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_GainContingencyNewClaimsFiledNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gain Contingency, New Claims Filed, Number</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;">pnw_GainContingencyNewClaimsFiledNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_GainContingencyNumberofSettlementAgreementTimePeriods">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gain Contingency, Number of Settlement Agreement Time Periods</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;">pnw_GainContingencyNumberofSettlementAgreementTimePeriods</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_MaximumAmountthatCouldbeIncurredunderRetrospectiveAssessmentofNEILPolicies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Amount that Could be Incurred under Retrospective Assessment of NEIL Policies</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;">pnw_MaximumAmountthatCouldbeIncurredunderRetrospectiveAssessmentofNEILPolicies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_MaximumAssessmentPerReactorForEachNuclearIncident">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 maximum assessment per reactor under the program for each nuclear incident.</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;">pnw_MaximumAssessmentPerReactorForEachNuclearIncident</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_MaximumAvailableNuclearLiabilityInsurance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 maximum available nuclear liability insurance which is provided by commercial insurance carriers, maintained by Palo Verde as required by the Price Anderson Nuclear Industries Indemnity 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;">pnw_MaximumAvailableNuclearLiabilityInsurance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_MaximumInsuranceCoveragePerIncident">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 maximum insurance amount against public liability per occurrence for a nuclear incident.</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;">pnw_MaximumInsuranceCoveragePerIncident</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_MaximumPotentialRetrospectiveAssessmentPerIncident">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 maximum potential retrospective assessment per incident based on the interest of APS in the three Palo Verde units.</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;">pnw_MaximumPotentialRetrospectiveAssessmentPerIncident</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_NumberOfVIELessorTrusts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 VIE lessor trusts with whom agreements have been made to sell and lease back interests in certain nuclear generating assets and related common facilities.</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;">pnw_NumberOfVIELessorTrusts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 period to provide collateral assurance based on rating triggers such as a rating downgrade to non-investment grade under NEIL policies (in 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;">pnw_PeriodToProvideCollateralAssuranceBasedOnRatingTriggers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 remaining nuclear liability insurance that is provided through mandatory industry wide retrospective assessment 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;">pnw_RemainingNuclearLiabilityInsuranceThroughMandatoryIndustryWideRetrospectiveAssessmentProgram</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_LitigationSettlementAmountAwardedFromOtherParty">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 awarded from other party in judgment or settlement of litigation.</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_LitigationSettlementAmountAwardedFromOtherParty</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=121559207&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_srt_LitigationCaseAxis=pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_LitigationCaseAxis=pnw_ArizonaPublicServiceCompanyandPaloVerdeOwnersvs.UnitedStatesDepartmentofEnergySpentNuclearFuelandWasteDisposalMember</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=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=us-gaap_PublicUtilitiesInventoryFuelMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=us-gaap_PublicUtilitiesInventoryFuelMember</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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<DOCUMENT>
<TYPE>XML
<SEQUENCE>71
<FILENAME>R57.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660608859480">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies - Superfund-Related Matters, Southwest Power Outage and Clean Air Act (Details) - APS - Contaminated groundwater wells<br> $ in Millions</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Apr. 05, 2018 </div>
<div>Defendant </div>
<div>plaintiff</div>
</th>
<th class="th">
<div>Dec. 16, 2016 </div>
<div>plaintiff</div>
</th>
<th class="th">
<div>Aug. 06, 2013 </div>
<div>Defendant</div>
</th>
<th class="th">
<div>Mar. 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_LossContingenciesLineItems', window );"><strong>Loss Contingencies [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_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite', window );">Costs related to investigation and study under Superfund site | $</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingencyNumberOfDefendants', window );">Number of defendants against whom Roosevelt Irrigation District (RID) filed lawsuit | Defendant</a></td>
<td class="nump">28<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">24<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingencyNumberOfPlaintiffs', window );">Number of plaintiffs</a></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>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_SettledLitigationMember', window );">Settled Litigation</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_LossContingenciesLineItems', window );"><strong>Loss Contingencies [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_LossContingencyNumberOfPlaintiffs', window );">Number of plaintiffs</a></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>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Costs related to site-wide groundwater remedial investigation and feasibility study work plan because subsidiary has been found to be potentially responsible parties ("PRPs") with liability for cleanup of hazardous substances that contaminates the soil, water or air, under the Comprehensive Environmental Response, Compensation and Liability Act ("Superfund").</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;">pnw_CostsRelatedToInvestigationAndStudyUnderSuperfundSite</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>
<td>duration</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_LossContingenciesLineItems</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>Number of defendants named in a legal action.</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_LossContingencyNumberOfDefendants</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>Number of plaintiffs that have filed claims pertaining to a loss contingency.</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_LossContingencyNumberOfPlaintiffs</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;">dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember</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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<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_LossContingenciesByNatureOfContingencyAxis=pnw_ContaminatedGroundwaterWellsMember</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_LitigationStatusAxis=us-gaap_SettledLitigationMember</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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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>72
<FILENAME>R58.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660514207832">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies - Environmental Matters and Financial Assurances (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Feb. 22, 2021</div></th>
<th class="th"><div>Jul. 03, 2018</div></th>
<th class="th"><div>Jul. 06, 2016</div></th>
<th class="th"><div>Mar. 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_pnw_FinancialAssurancesAbstract', window );"><strong>Financial Assurances</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_pnw_ProductionTaxCreditGuarantees', window );">Production tax credit guarantees</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">$ 2,000<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_pnw_EquityContributionGuarantees', window );">Equity contribution guarantees</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">38,000<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | 2017 Settlement Agreement and its Customer Education and Outreach Plan</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_pnw_ArizonaAttorneyGeneralAbstract', window );"><strong>Arizona Attorney General [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>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationSettlementAmountAwardedToOtherParty', window );">Settlement amount</a></td>
<td class="nump">$ 24,750<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_pnw_LitigationSettlementAmountAwardedToCustomers', window );">Settlement amount returned to customers</a></td>
<td class="nump">$ 24,000<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Letters of Credit Expiring in 2020</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_pnw_FinancialAssurancesAbstract', window );"><strong>Financial Assurances</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_LettersOfCreditOutstandingAmount', window );">Outstanding letters 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="nump">5,200<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Surety Bonds Expiring in 2020</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_pnw_FinancialAssurancesAbstract', window );"><strong>Financial Assurances</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_pnw_SuretyBondsExpiringAmount', window );">Surety bonds expiring, 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">16,000<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=pnw_A4CAcquisitionLLCMember', window );">4C Acquisition, LLC | Four Corners</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_PercentageOfShareOfCostOfControl', window );">Percentage of share of cost of control</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_SupplyAgreementAbstract', window );"><strong>Four Corners Coal Supply Agreement</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_NotesReceivableRelatedParties', window );">Notes receivable, related parties</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">23,000<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=pnw_A4CAcquisitionLLCMember', window );">4C Acquisition, LLC | Coal Supply Agreement Arbitration | Four Corners</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_pnw_SupplyAgreementAbstract', window );"><strong>Four Corners Coal Supply Agreement</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_pnw_AssetPurchaseAgreementOperatingandMaintenanceCostReimbursementReceivable', window );">Reimbursement payments due to 4CA</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">$ 10,000<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=pnw_NavajoTransitionalEnergyCompanyLLCMember', window );">NTEC | Four Corners</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_pnw_SupplyAgreementAbstract', window );"><strong>Four Corners Coal Supply Agreement</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_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage', window );">Option to purchase ownership interest (as a percent)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7.00%<span></span>
</td>
<td class="nump">7.00%<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_pnw_AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement', window );">Proceeds from operating and maintenance cost reimbursement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 70,000<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_dei_LegalEntityAxis=pnw_NavajoTransitionalEnergyCompanyLLCMember', window );">NTEC | Coal Supply Agreement Arbitration | Four Corners</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_pnw_SupplyAgreementAbstract', window );"><strong>Four Corners Coal Supply Agreement</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_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage', window );">Option to purchase ownership interest (as a percent)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7.00%<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_us-gaap_EnvironmentalRemediationContingencyAxis=pnw_RegionalHazeRulesMember', window );">Regional Haze Rules | APS | Four Corners Units 4 and 5</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_PercentageOfShareOfCostOfControl', window );">Percentage of share of cost of control</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">63.00%<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_SiteContingencyLossExposureNotAccruedBestEstimate', window );">Expected environmental cost</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">$ 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_EnvironmentalRemediationContingencyAxis=pnw_RegionalHazeRulesMember', window );">Regional Haze Rules | APS | Natural gas tolling contract obligations | Four Corners Units 4 and 5</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_AssetPurchaseAgreementAdditionalPercentageShareofCostofControl', window );">Additional percentage share of cost of control</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">7.00%<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_EnvironmentalRemediationContingencyAxis=pnw_RegionalHazeRulesMember', window );">Regional Haze Rules | APS | Four Corners | Four Corners Units 4 and 5</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate', window );">Site contingency increase in loss exposure not accrued, best estimate</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">$ 45,000<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_EnvironmentalRemediationContingencyAxis=pnw_CoalCombustionWasteMember', window );">Coal combustion waste | APS | Four Corners</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate', window );">Site contingency increase in loss exposure not accrued, best estimate</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">27,000<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_EnvironmentalRemediationContingencyAxis=pnw_CoalCombustionWasteMember', window );">Coal combustion waste | APS | Navajo Plant</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate', window );">Site contingency increase in loss exposure not accrued, best estimate</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">1,000<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_srt_RangeAxis=srt_MinimumMember', window );">Minimum | Coal combustion waste | APS | Cholla</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate', window );">Site contingency increase in loss exposure not accrued, best estimate</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">16,000<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_srt_RangeAxis=srt_MinimumMember', window );">Minimum | Coal combustion waste | APS | Cholla and Four Corners</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate', window );">Site contingency increase in loss exposure not accrued, best estimate</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">10,000<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_srt_RangeAxis=srt_MaximumMember', window );">Maximum | Coal combustion waste | APS | Cholla and Four Corners</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_pnw_EnvironmentalMattersAbstract', window );"><strong>Environmental Matters [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>
<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_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate', window );">Site contingency increase in loss exposure not accrued, best estimate</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">$ 15,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_ArizonaAttorneyGeneralAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Arizona Attorney General</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;">pnw_ArizonaAttorneyGeneralAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_AssetPurchaseAgreementAdditionalPercentageShareofCostofControl">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Asset Purchase Agreement, Additional Percentage Share of Cost of 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;">pnw_AssetPurchaseAgreementAdditionalPercentageShareofCostofControl</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_AssetPurchaseAgreementOperatingandMaintenanceCostReimbursementReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Asset Purchase Agreement, Operating and Maintenance Cost Reimbursement Receivable</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;">pnw_AssetPurchaseAgreementOperatingandMaintenanceCostReimbursementReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Asset Purchase Agreement, Option to Purchase, Ownership Interest, Percentage</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;">pnw_AssetPurchaseAgreementOptiontoPurchaseOwnershipInterestPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Asset Purchase Agreement, Proceeds from Operating an Maintenance Cost Reimbursement</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;">pnw_AssetPurchaseAgreementProceedsfromOperatinganMaintenanceCostReimbursement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Asset Purchase Agreement, Site Contingency, Increase in Loss Exposure Not Accrued, Best Estimate</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;">pnw_AssetPurchaseAgreementSiteContingencyIncreaseinLossExposureNotAccruedBestEstimate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_EnvironmentalMattersAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Environmental Matters</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;">pnw_EnvironmentalMattersAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_EquityContributionGuarantees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Contribution Guarantees</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;">pnw_EquityContributionGuarantees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_FinancialAssurancesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">pnw_FinancialAssurancesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_LitigationSettlementAmountAwardedToCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Litigation Settlement, Amount Awarded 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;">pnw_LitigationSettlementAmountAwardedToCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_PercentageOfShareOfCostOfControl">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 percentage of share of the cost of control acquired by the 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;">pnw_PercentageOfShareOfCostOfControl</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num: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_pnw_ProductionTaxCreditGuarantees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Production Tax Credit Guarantees</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;">pnw_ProductionTaxCreditGuarantees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SupplyAgreementAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Supply Agreement [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;">pnw_SupplyAgreementAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_SuretyBondsExpiringAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Surety Bonds Expiring, 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;">pnw_SuretyBondsExpiringAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_LitigationSettlementAmountAwardedToOtherParty">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 awarded to other party in judgment or settlement of litigation.</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_LitigationSettlementAmountAwardedToOtherParty</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_NotesReceivableRelatedParties">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.</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 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(k)(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 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.3)<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 850<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39549-107864<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NotesReceivableRelatedParties</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_SiteContingencyLossExposureNotAccruedBestEstimate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Best estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.</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 10<br> -Subparagraph (c),(d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br><br>Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<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>
<td style="white-space:nowrap;">us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<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> 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">
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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">
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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> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnvironmentalRemediationContingencyAxis=pnw_CoalCombustionWasteMember</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_EnvironmentalRemediationSiteAxis=pnw_NavajoGeneratingStationMember</td>
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<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnvironmentalRemediationSiteAxis=pnw_ChollaMember">
<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_EnvironmentalRemediationSiteAxis=pnw_ChollaMember</td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnvironmentalRemediationSiteAxis=pnw_ChollaandFourCornersMember</td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
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</table></div>
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</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>73
<FILENAME>R59.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;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513577928">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Income and Other Expense (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_OtherIncomeDisclosureNonoperatingAbstract', window );"><strong>Other income:</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_InvestmentIncomeInterest', window );">Interest income</a></td>
<td class="nump">$ 1,948<span></span>
</td>
<td class="nump">$ 3,277<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_pnw_MiscellaneousOtherNonoperatingIncome', window );">Miscellaneous</a></td>
<td class="nump">3<span></span>
</td>
<td class="nump">8<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_OtherNonoperatingIncome', window );">Total other income</a></td>
<td class="nump">12,429<span></span>
</td>
<td class="nump">12,569<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherExpenseDisclosureNonoperatingAbstract', window );"><strong>Other expense:</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_pnw_NonoperatingCosts', window );">Non-operating costs</a></td>
<td class="num">(1,937)<span></span>
</td>
<td class="num">(2,658)<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_GainLossOnSaleOfInvestments', window );">Investment gains (losses) &#8212; net</a></td>
<td class="num">(343)<span></span>
</td>
<td class="nump">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_pnw_MiscellaneousOtherNonoperatingExpense', window );">Miscellaneous</a></td>
<td class="num">(1,573)<span></span>
</td>
<td class="num">(2,186)<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_OtherNonoperatingExpense', window );">Total other expense</a></td>
<td class="num">(3,853)<span></span>
</td>
<td class="num">(4,784)<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_OtherIncomeDisclosureNonoperatingAbstract', window );"><strong>Other income:</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_InvestmentIncomeInterest', window );">Interest income</a></td>
<td class="nump">1,481<span></span>
</td>
<td class="nump">2,341<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_pnw_MiscellaneousOtherNonoperatingIncome', window );">Miscellaneous</a></td>
<td class="nump">1<span></span>
</td>
<td class="nump">8<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_OtherNonoperatingIncome', window );">Total other income</a></td>
<td class="nump">11,960<span></span>
</td>
<td class="nump">11,633<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherExpenseDisclosureNonoperatingAbstract', window );"><strong>Other expense:</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_pnw_NonoperatingCosts', window );">Non-operating costs</a></td>
<td class="num">(1,778)<span></span>
</td>
<td class="num">(2,482)<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_pnw_MiscellaneousOtherNonoperatingExpense', window );">Miscellaneous</a></td>
<td class="num">(1,572)<span></span>
</td>
<td class="num">(2,186)<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_OtherNonoperatingExpense', window );">Total other expense</a></td>
<td class="num">(3,350)<span></span>
</td>
<td class="num">(4,668)<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_SCRDeferralMember', window );">SCR deferral</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_OtherIncomeDisclosureNonoperatingAbstract', window );"><strong>Other income:</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_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded', window );">Debt return on Four Corners SCR deferrals (Note 4)</a></td>
<td class="nump">4,086<span></span>
</td>
<td class="nump">3,140<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_SCRDeferralMember', window );">SCR deferral | APS</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_OtherIncomeDisclosureNonoperatingAbstract', window );"><strong>Other income:</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_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded', window );">Debt return on Four Corners SCR deferrals (Note 4)</a></td>
<td class="nump">4,086<span></span>
</td>
<td class="nump">3,140<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_OctotilloDeferralMember', window );">Ocotillo deferral</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_OtherIncomeDisclosureNonoperatingAbstract', window );"><strong>Other income:</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_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded', window );">Debt return on Four Corners SCR deferrals (Note 4)</a></td>
<td class="nump">6,392<span></span>
</td>
<td class="nump">6,144<span></span>
</td>
</tr>
<tr class="rh">
<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=pnw_OctotilloDeferralMember', window );">Ocotillo deferral | APS</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_OtherIncomeDisclosureNonoperatingAbstract', window );"><strong>Other income:</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_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded', window );">Debt return on Four Corners SCR deferrals (Note 4)</a></td>
<td class="nump">$ 6,392<span></span>
</td>
<td class="nump">$ 6,144<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_MiscellaneousOtherNonoperatingExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 miscellaneous other nonoperating expenses resulting from ancillary business-related activities (that is, excluding major activities considered as a 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>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;">pnw_MiscellaneousOtherNonoperatingExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_MiscellaneousOtherNonoperatingIncome">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 miscellaneous other nonoperating income resulting from ancillary business-related activities (that is, excluding major activities considered as a 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>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;">pnw_MiscellaneousOtherNonoperatingIncome</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_NonoperatingCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 nonoperating costs resulting from the ancillary business-related activities (that is, excluding major activities considered as a part of the normal operations of the business) recognized 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;">pnw_NonoperatingCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory Cost Recovery Income, Debt Deferral Refunded</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;">pnw_RegulatoryCostRecoveryIncomeDebtDeferralRefunded</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_GainLossOnSaleOfInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing 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 (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&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_GainLossOnSaleOfInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=120395209&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=120311839&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_OtherExpenseDisclosureNonoperatingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_OtherExpenseDisclosureNonoperatingAbstract</td>
</tr>
<tr>
<td style="padding-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_OtherIncomeDisclosureNonoperatingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_OtherIncomeDisclosureNonoperatingAbstract</td>
</tr>
<tr>
<td style="padding-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_OtherNonoperatingExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=120395209&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_OtherNonoperatingExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</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>
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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_OtherNonoperatingIncome">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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://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(7)(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&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_OtherNonoperatingIncome</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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>
<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=pnw_SCRDeferralMember</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_RegulatoryAssetAxis=pnw_OctotilloDeferralMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660513425336">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Earnings Per Share (Details) - USD ($)<br> $ / shares in Units, shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
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<td class="nump">$ 35,641<span></span>
</td>
<td class="nump">$ 29,993<span></span>
</td>
</tr>
<tr class="re">
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<td class="nump">112,829<span></span>
</td>
<td class="nump">112,594<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract', window );"><strong>Net effect of dilutive securities:</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_WeightedAverageNumberOfSharesRestrictedStock', window );">Contingently issuable performance shares and restricted stock units (in shares)</a></td>
<td class="nump">264<span></span>
</td>
<td class="nump">268<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 common shares outstanding &#8212; diluted (in shares)</a></td>
<td class="nump">113,093<span></span>
</td>
<td class="nump">112,862<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_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract', window );"><strong>Earnings per weighted-average common share outstanding</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_EarningsPerShareBasic', window );">Net income attributable to common shareholders - basic (in dollars per share)</a></td>
<td class="nump">$ 0.32<span></span>
</td>
<td class="nump">$ 0.27<span></span>
</td>
</tr>
<tr class="re">
<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 );">Net income attributable to common shareholders - diluted (in dollars per share)</a></td>
<td class="nump">$ 0.32<span></span>
</td>
<td class="nump">$ 0.27<span></span>
</td>
</tr>
</table>
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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">
<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>
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<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>
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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_EarningsPerShareBasic</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>num:perShareItemType</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 );">- 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>
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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_EarningsPerShareDiluted</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>num: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_NetIncomeLossAvailableToCommonStockholdersBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.</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 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22595-107794<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=121326447&amp;loc=d3e1448-109256<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 (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<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 11<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1377-109256<br><br>Reference 5: 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=6371337&amp;loc=d3e3550-109257<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 22<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<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 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<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 (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&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 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 10: 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=120311839&amp;loc=d3e8924-108599<br><br>Reference 11: 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=120311839&amp;loc=d3e8906-108599<br><br>Reference 12: 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=109234566&amp;loc=d3e22583-107794<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 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<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_NetIncomeLossAvailableToCommonStockholdersBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=6371337&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=121326447&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>
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<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_WeightedAverageNumberOfSharesOutstandingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_WeightedAverageNumberOfSharesOutstandingAbstract</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>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=6371337&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=121326447&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>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract</td>
</tr>
<tr>
<td style="padding-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_WeightedAverageNumberOfSharesRestrictedStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.</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 45<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e2646-109256<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_WeightedAverageNumberOfSharesRestrictedStock</td>
</tr>
<tr>
<td style="padding-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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660510907256">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Mar. 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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeAsset', window );">Commodity contracts, assets</a></td>
<td class="nump">$ 25,811<span></span>
</td>
<td class="nump">$ 4,749<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssetFairValueGrossLiability', window );">Commodity contracts, liabilities</a></td>
<td class="num">(3,882)<span></span>
</td>
<td class="num">(4,271)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">1,159,699<span></span>
</td>
<td class="nump">1,138,435<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_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases', window );">Nuclear decommissioning trust, other</a></td>
<td class="nump">632,661<span></span>
</td>
<td class="nump">592,227<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">357,506<span></span>
</td>
<td class="nump">254,509<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_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases', window );">Other special use funds, other</a></td>
<td class="nump">1,401<span></span>
</td>
<td class="nump">504<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_AssetsFairValueDisclosure', window );">Total assets</a></td>
<td class="nump">1,543,016<span></span>
</td>
<td class="nump">1,397,693<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases', window );">Total assets, other</a></td>
<td class="nump">630,180<span></span>
</td>
<td class="nump">588,460<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesFairValueDisclosureAbstract', window );"><strong>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_DerivativeLiabilityFairValueGrossAsset', window );">Gross derivative liability, other</a></td>
<td class="nump">2,597<span></span>
</td>
<td class="nump">2,986<span></span>
</td>
</tr>
<tr class="ro">
<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 );">Amount reported&#160;on balance sheet</a></td>
<td class="num">(9,995)<span></span>
</td>
<td class="num">(18,619)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember', window );">Equity securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">6,622<span></span>
</td>
<td class="nump">11,968<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_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases', window );">Nuclear decommissioning trust, other</a></td>
<td class="num">(15,538)<span></span>
</td>
<td class="num">(17,828)<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">20,612<span></span>
</td>
<td class="nump">37,841<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_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases', window );">Other special use funds, other</a></td>
<td class="nump">1,401<span></span>
</td>
<td class="nump">504<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=pnw_USCommingledFundsMember', window );">U.S. commingled equity 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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">648,199<span></span>
</td>
<td class="nump">610,055<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember', window );">U.S. Treasury debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">175,707<span></span>
</td>
<td class="nump">164,514<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">323,589<span></span>
</td>
<td class="nump">203,220<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember', window );">Corporate debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">143,876<span></span>
</td>
<td class="nump">149,509<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember', window );">Mortgage-backed securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">110,073<span></span>
</td>
<td class="nump">99,623<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember', window );">Municipal bonds</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">64,479<span></span>
</td>
<td class="nump">89,705<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">13,305<span></span>
</td>
<td class="nump">13,448<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancialInstrumentAxis=us-gaap_OtherDebtSecuritiesMember', window );">Other fixed income</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">10,743<span></span>
</td>
<td class="nump">13,061<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeAsset', window );">Commodity contracts, 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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">197,867<span></span>
</td>
<td class="nump">194,310<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">342,800<span></span>
</td>
<td class="nump">240,557<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_AssetsFairValueDisclosure', window );">Total assets</a></td>
<td class="nump">540,667<span></span>
</td>
<td class="nump">434,867<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesFairValueDisclosureAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeLiability', window );">Gross derivative liability</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Level&#160;1 | Equity securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">22,160<span></span>
</td>
<td class="nump">29,796<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">19,211<span></span>
</td>
<td class="nump">37,337<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;1 | U.S. commingled equity 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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Level&#160;1 | U.S. Treasury debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">175,707<span></span>
</td>
<td class="nump">164,514<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">323,589<span></span>
</td>
<td class="nump">203,220<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;1 | Corporate debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Level&#160;1 | Mortgage-backed securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Level&#160;1 | Municipal bonds</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Level&#160;1 | Other fixed income</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Level&#160;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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeAsset', window );">Commodity contracts, assets</a></td>
<td class="nump">14,353<span></span>
</td>
<td class="nump">9,016<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">329,171<span></span>
</td>
<td class="nump">351,898<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">13,305<span></span>
</td>
<td class="nump">13,448<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_AssetsFairValueDisclosure', window );">Total assets</a></td>
<td class="nump">356,829<span></span>
</td>
<td class="nump">374,362<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_LiabilitiesFairValueDisclosureAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeLiability', window );">Gross derivative liability</a></td>
<td class="num">(11,668)<span></span>
</td>
<td class="num">(20,498)<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;2 | Equity securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Level&#160;2 | U.S. commingled equity 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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Level&#160;2 | U.S. Treasury debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Level&#160;2 | Corporate debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">143,876<span></span>
</td>
<td class="nump">149,509<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;2 | Mortgage-backed securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">110,073<span></span>
</td>
<td class="nump">99,623<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;2 | Municipal bonds</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">64,479<span></span>
</td>
<td class="nump">89,705<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">13,305<span></span>
</td>
<td class="nump">13,448<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;2 | Other fixed income</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">10,743<span></span>
</td>
<td class="nump">13,061<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeAsset', window );">Commodity contracts, assets</a></td>
<td class="nump">15,340<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<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_AssetsFairValueDisclosure', window );">Total assets</a></td>
<td class="nump">15,340<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesFairValueDisclosureAbstract', window );"><strong>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_DerivativeFairValueOfDerivativeLiability', window );">Gross derivative liability</a></td>
<td class="num">(924)<span></span>
</td>
<td class="num">(1,107)<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Level&#160;3 | Equity securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Level&#160;3 | U.S. commingled equity 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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Level&#160;3 | U.S. Treasury debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Level&#160;3 | Corporate debt</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Level&#160;3 | Mortgage-backed securities</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Level&#160;3 | Municipal bonds</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></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_pnw_SpecialUseFundInvestmentsOtherGrossFairValue', window );">Other special use funds</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Level&#160;3 | Other fixed income</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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember', window );">Fair Value Measured at Net Asset Value Per Share | U.S. commingled equity 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_AssetsFairValueDisclosureAbstract', window );"><strong>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_DecommissioningTrustAssetsAmount', window );">Nuclear decommissioning trust</a></td>
<td class="nump">$ 648,199<span></span>
</td>
<td class="nump">$ 610,055<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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, Fair Value, Gross Liability and Net Pending Securities Sales and Purchases</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;">pnw_AssetsFairValueGrossLiabilityandNetPendingSecuritiesSalesandPurchases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>
</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_pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Decommissioning Fund Investments, Fair Value Net Pending Securities Sales and Purchases</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;">pnw_DecommissioningFundInvestmentsFairValueNetPendingSecuritiesSalesandPurchases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>
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</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>Special Use Fund Investments, Other, Gross Fair 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;">pnw_SpecialUseFundInvestmentsOtherGrossFairValue</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Special Use Fund Investments, Other, Net Fair Value Pending Sales and Purchases</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;">pnw_SpecialUseFundInvestmentsOtherNetFairValuePendingSalesandPurchases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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>
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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_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=117815213&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>
<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_AssetsFairValueDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_AssetsFairValueDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-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_DecommissioningTrustAssetsAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 fair value of investments held in a trust fund to pay for the costs of decontaminating and decommissioning facilities, whether such amount is presented as a separate caption or as a parenthetical disclosure on the balance sheet. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to 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 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<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_DecommissioningTrustAssetsAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DerivativeAssetFairValueGrossLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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.</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> -Subparagraph (a),(c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&amp;loc=SL5624163-113959<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 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226003-175313<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 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_DerivativeAssetFairValueGrossLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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>
<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 7<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226000-175313<br><br>Reference 2: 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 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 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 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4B<br> -Subparagraph (a),(c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&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>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_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=121590274&amp;loc=SL5624163-113959<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 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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>
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<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://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 (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 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121572278&amp;loc=d3e13433-108611<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 10<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226008-175313<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>
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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.</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 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<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 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226003-175313<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 4B<br> -Subparagraph (a),(c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&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_DerivativeLiabilityFairValueGrossAsset</td>
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<tr>
<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 );">- 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_LiabilitiesFairValueDisclosureAbstract</td>
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<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancialInstrumentAxis=pnw_USCommingledFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FinancialInstrumentAxis=pnw_USCommingledFundsMember</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember</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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember</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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<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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660508524376">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair Value Measurements - Financial Instruments Not Carried at Fair Value (Details) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="nump">3.90%<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 22.7<span></span>
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<td class="nump">$ 27.1<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Stated Interest Rate for Notes Receivable</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 );">- 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_FairValueDisclosuresAbstract</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 allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing 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 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121599337&amp;loc=SL82919230-210447<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<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/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=121593590&amp;loc=d3e4428-111522<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_NotesReceivableNet</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660512112536">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Investments in Nuclear Decommissioning Trusts and Other Special Use Funds (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jan. 04, 2021</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</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_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract', window );"><strong>Fair value of fixed income securities, summarized by contractual maturities</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_DefinedBenefitPlanAssetsTransferredToFromPlan', window );">Transfer to active union medical account</a></td>
<td class="nump">$ 106,000<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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecurities', window );">Fair&#160;Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,517,205<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,392,944<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Total Unrealized Gains</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">484,780<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">468,247<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax', window );">Total Unrealized Losses</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,203)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(398)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis', window );">Amortized cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">818,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">687,000<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_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract', window );"><strong>Realized gains and losses and proceeds from the sale of securities by the nuclear decommissioning trust funds</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_AvailableForSaleSecuritiesGrossRealizedGains', window );">Realized gains</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,968<span></span>
</td>
<td class="nump">$ 3,313<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses', window );">Realized losses</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(4,148)<span></span>
</td>
<td class="num">(2,227)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities', window );">Proceeds from the sale of securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">379,978<span></span>
</td>
<td class="nump">195,087<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract', window );"><strong>Fair value of fixed income securities, summarized by contractual maturities</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_pnw_EmployeeMedicalClaimsAmount', window );">Employee medical claims 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">14,000<span></span>
</td>
<td class="nump">$ 15,000<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Equity securities</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecuritiesEquitySecurities', window );">Equity securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">689,570<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">677,188<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Total Unrealized Gains</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">457,442<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">421,666<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax', window );">Total Unrealized Losses</a></td>
<td class="text">&#160;<span></span>
</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="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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Available for sale-fixed income securities</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecuritiesDebtSecurities', window );">Fair&#160;Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">841,772<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">733,080<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Total Unrealized Gains</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">27,338<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">46,581<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax', window );">Total Unrealized Losses</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,203)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(398)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract', window );"><strong>Fair value of fixed income securities, summarized by contractual maturities</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_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue', window );">Less than one year</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">91,776<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_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue', window );">1 year &#8211; 5 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">342,607<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_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue', window );">5 years &#8211; 10 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">203,664<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_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue', window );">Greater than 10 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">203,725<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="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DecommissioningandOtherSpecialUseFundInvestmentsFairValue', window );">Total</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">841,772<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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Other</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_pnw_AvailableforsaleSecuritiesOther', window );">Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(14,137)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(17,324)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Total Unrealized Gains</a></td>
<td class="text">&#160;<span></span>
</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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax', window );">Total Unrealized Losses</a></td>
<td class="text">&#160;<span></span>
</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="rh">
<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=pnw_NuclearDecommissioningTrustsMember', window );">Nuclear Decommissioning Trust | APS</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecurities', window );">Fair&#160;Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,159,699<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,138,435<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract', window );"><strong>Realized gains and losses and proceeds from the sale of securities by the nuclear decommissioning trust funds</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_AvailableForSaleSecuritiesGrossRealizedGains', window );">Realized gains</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,968<span></span>
</td>
<td class="nump">3,313<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses', window );">Realized losses</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(4,148)<span></span>
</td>
<td class="num">(2,227)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities', window );">Proceeds from the sale of securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">234,728<span></span>
</td>
<td class="nump">178,196<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=pnw_NuclearDecommissioningTrustsMember', window );">Nuclear Decommissioning Trust | APS | Equity securities</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecuritiesEquitySecurities', window );">Equity securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">670,359<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">639,851<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_InvestmentTypeAxis=pnw_NuclearDecommissioningTrustsMember', window );">Nuclear Decommissioning Trust | APS | Available for sale-fixed income securities</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecuritiesDebtSecurities', window );">Fair&#160;Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">504,878<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">516,412<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract', window );"><strong>Fair value of fixed income securities, summarized by contractual maturities</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_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue', window );">Less than one year</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25,048<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_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue', window );">1 year &#8211; 5 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">147,347<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_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue', window );">5 years &#8211; 10 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">137,479<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_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue', window );">Greater than 10 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">195,004<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="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DecommissioningandOtherSpecialUseFundInvestmentsFairValue', window );">Total</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">504,878<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_InvestmentTypeAxis=pnw_NuclearDecommissioningTrustsMember', window );">Nuclear Decommissioning Trust | APS | Other</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_pnw_AvailableforsaleSecuritiesOther', window );">Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(15,538)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(17,828)<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=pnw_OtherSpecialUseFundsMember', window );">Other Special Use Funds | APS</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecurities', window );">Fair&#160;Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">357,506<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">254,509<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract', window );"><strong>Realized gains and losses and proceeds from the sale of securities by the nuclear decommissioning trust funds</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_AvailableForSaleSecuritiesGrossRealizedGains', window );">Realized gains</a></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_AvailableForSaleSecuritiesGrossRealizedLosses', window );">Realized losses</a></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_ProceedsFromSaleOfAvailableForSaleSecurities', window );">Proceeds from the sale of securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">145,250<span></span>
</td>
<td class="nump">$ 16,891<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=pnw_OtherSpecialUseFundsMember', window );">Other Special Use Funds | APS | Equity securities</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecuritiesEquitySecurities', window );">Equity securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,211<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">37,337<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=pnw_OtherSpecialUseFundsMember', window );">Other Special Use Funds | APS | Available for sale-fixed income securities</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_AvailableForSaleSecuritiesDebtSecurities', window );">Fair&#160;Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">336,894<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">216,668<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=pnw_OtherSpecialUseFundsMember', window );">Other Special Use Funds | APS | Other</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_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Nuclear decommissioning trust fund assets</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_pnw_AvailableforsaleSecuritiesOther', window );">Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,401<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 504<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=pnw_CoalReclamationEscrowAccountsMember', window );">Coal Reclamation Escrow Account | APS | Available for sale-fixed income securities</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_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract', window );"><strong>Fair value of fixed income securities, summarized by contractual maturities</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_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue', window );">Less than one year</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">26,259<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_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue', window );">1 year &#8211; 5 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">34,936<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_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue', window );">5 years &#8211; 10 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,708<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_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue', window );">Greater than 10 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,721<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="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DecommissioningandOtherSpecialUseFundInvestmentsFairValue', window );">Total</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">72,624<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_InvestmentTypeAxis=pnw_ActiveUnionMedicalTrustMember', window );">Active union medical trust | APS | Available for sale-fixed income securities</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_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract', window );"><strong>Fair value of fixed income securities, summarized by contractual maturities</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_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue', window );">Less than one year</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">40,469<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_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue', window );">1 year &#8211; 5 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">160,324<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_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue', window );">5 years &#8211; 10 years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">63,477<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_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue', window );">Greater than 10 years</a></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="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_DecommissioningandOtherSpecialUseFundInvestmentsFairValue', window );">Total</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 264,270<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_pnw_AvailableforsaleSecuritiesOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Available-for-sale Securities, 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;">pnw_AvailableforsaleSecuritiesOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_DecommissioningandOtherSpecialUseFundInvestmentsFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Decommissioning and Other Special Use Fund Investments, Fair 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;">pnw_DecommissioningandOtherSpecialUseFundInvestmentsFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_pnw_EmployeeMedicalClaimsAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Employee Medical Claims 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;">pnw_EmployeeMedicalClaimsAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>pnw_</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_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-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 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-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 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleDebtSecuritiesAmortizedCostBasis">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).</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 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121558606&amp;loc=SL82898722-210454<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.</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_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.</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_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment in debt and equity securities categorized neither as held-to-maturity nor trading.</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_AvailableForSaleSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-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 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.</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_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth 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 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27198-111563<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 320<br> -Section 50<br> -Paragraph 3A<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120252992&amp;loc=SL120269850-112803<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through 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 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27198-111563<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 320<br> -Section 50<br> -Paragraph 3A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120252992&amp;loc=SL120269850-112803<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth 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 942<br> -SubTopic 320<br> -Section 50<br> -Paragraph 3A<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120252992&amp;loc=SL120269850-112803<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27198-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract</td>
</tr>
<tr>
<td style="padding-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_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing 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 942<br> -SubTopic 320<br> -Section 50<br> -Paragraph 3A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120252992&amp;loc=SL120269850-112803<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27198-111563<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesDebtSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).</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(6))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121558606&amp;loc=SL82898722-210454<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121553693&amp;loc=d3e26610-111562<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (aa)<br> -URI http://asc.fasb.org/extlink&amp;oid=121645371&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesDebtSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesEquitySecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 equity securities categorized neither as held-to-maturity nor as trading.</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_AvailableForSaleSecuritiesEquitySecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract</td>
</tr>
<tr>
<td style="padding-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_AvailableForSaleSecuritiesGrossRealizedGains">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.</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_AvailableForSaleSecuritiesGrossRealizedGains</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_AvailableForSaleSecuritiesGrossRealizedLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.</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_AvailableForSaleSecuritiesGrossRealizedLosses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DefinedBenefitPlanAssetsTransferredToFromPlan">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 assets transferred into (from) 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_DefinedBenefitPlanAssetsTransferredToFromPlan</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ProceedsFromSaleOfAvailableForSaleSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 associated with the sale of debt and equity securities classified as available-for-sale 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 320<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=121553693&amp;loc=d3e26853-111562<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 12<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&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_ProceedsFromSaleOfAvailableForSaleSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_ScheduleOfAvailableForSaleSecuritiesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_ScheduleOfAvailableForSaleSecuritiesLineItems</td>
</tr>
<tr>
<td style="padding-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_dei_LegalEntityAxis=pnw_ArizonaPublicServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ArizonaPublicServiceCompanyMember</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_FinancialInstrumentAxis=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_FinancialInstrumentAxis=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_FinancialInstrumentAxis=us-gaap_FixedIncomeSecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FinancialInstrumentAxis=us-gaap_FixedIncomeSecuritiesMember</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_FinancialInstrumentAxis=pnw_OtherReceivablesfromBrokerDealersandClearingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FinancialInstrumentAxis=pnw_OtherReceivablesfromBrokerDealersandClearingMember</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_InvestmentTypeAxis=pnw_NuclearDecommissioningTrustsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_NuclearDecommissioningTrustsMember</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_InvestmentTypeAxis=pnw_OtherSpecialUseFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_OtherSpecialUseFundsMember</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_InvestmentTypeAxis=pnw_CoalReclamationEscrowAccountsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_CoalReclamationEscrowAccountsMember</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_InvestmentTypeAxis=pnw_ActiveUnionMedicalTrustMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=pnw_ActiveUnionMedicalTrustMember</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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<DOCUMENT>
<TYPE>XML
<SEQUENCE>78
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<head>
<title></title>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660512725320">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Changes in Accumulated Other Comprehensive Loss (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="nump">$ 5,752,793<span></span>
</td>
<td class="nump">$ 5,553,188<span></span>
</td>
</tr>
<tr class="re">
<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 );">OCI (loss) before reclassifications</a></td>
<td class="nump">262<span></span>
</td>
<td class="nump">292<span></span>
</td>
</tr>
<tr class="ro">
<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 accumulated other comprehensive loss</a></td>
<td class="nump">1,022<span></span>
</td>
<td class="nump">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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at end of period</a></td>
<td class="nump">5,806,680<span></span>
</td>
<td class="nump">5,596,832<span></span>
</td>
</tr>
<tr class="rh">
<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 );">Pension and Other Postretirement Benefits</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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="num">(60,725)<span></span>
</td>
<td class="num">(56,522)<span></span>
</td>
</tr>
<tr class="re">
<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 );">OCI (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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">1,022<span></span>
</td>
<td class="nump">1,205<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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at end of period</a></td>
<td class="num">(59,703)<span></span>
</td>
<td class="num">(55,317)<span></span>
</td>
</tr>
<tr class="rh">
<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_AccumulatedGainLossNetCashFlowHedgeParentMember', window );">Derivative Instruments</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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="num">(2,071)<span></span>
</td>
<td class="num">(574)<span></span>
</td>
</tr>
<tr class="re">
<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 );">OCI (loss) before reclassifications</a></td>
<td class="nump">262<span></span>
</td>
<td class="nump">292<span></span>
</td>
</tr>
<tr class="ro">
<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 accumulated other comprehensive loss</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at end of period</a></td>
<td class="num">(1,809)<span></span>
</td>
<td class="num">(262)<span></span>
</td>
</tr>
<tr class="rh">
<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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="num">(62,796)<span></span>
</td>
<td class="num">(57,096)<span></span>
</td>
</tr>
<tr class="re">
<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 );">Balance at end of period</a></td>
<td class="num">(61,512)<span></span>
</td>
<td class="num">(55,579)<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS</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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="nump">6,345,185<span></span>
</td>
<td class="nump">5,998,803<span></span>
</td>
</tr>
<tr class="re">
<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 );">OCI (loss) before reclassifications</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">292<span></span>
</td>
</tr>
<tr class="ro">
<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 accumulated other comprehensive loss</a></td>
<td class="nump">927<span></span>
</td>
<td class="nump">1,033<span></span>
</td>
</tr>
<tr class="re">
<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 );">Balance at end of period</a></td>
<td class="nump">6,386,275<span></span>
</td>
<td class="nump">6,040,344<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Pension and Other Postretirement Benefits</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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="num">(40,918)<span></span>
</td>
<td class="num">(34,948)<span></span>
</td>
</tr>
<tr class="re">
<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 );">OCI (loss) before reclassifications</a></td>
<td class="text">&#160;<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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">927<span></span>
</td>
<td class="nump">1,013<span></span>
</td>
</tr>
<tr class="re">
<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 );">Balance at end of period</a></td>
<td class="num">(39,991)<span></span>
</td>
<td class="num">(33,935)<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | Derivative Instruments</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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(574)<span></span>
</td>
</tr>
<tr class="re">
<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 );">OCI (loss) before reclassifications</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">292<span></span>
</td>
</tr>
<tr class="ro">
<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 accumulated other comprehensive loss</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at end of period</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(262)<span></span>
</td>
</tr>
<tr 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=pnw_ArizonaPublicServiceCompanyMember', window );">APS | 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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract', window );"><strong>AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [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_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at beginning of period</a></td>
<td class="num">(40,918)<span></span>
</td>
<td class="num">(35,522)<span></span>
</td>
</tr>
<tr class="re">
<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 );">Balance at end of period</a></td>
<td class="num">$ (39,991)<span></span>
</td>
<td class="num">$ (34,197)<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_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 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 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450520&amp;loc=d3e32583-110901<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 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL7669686-108580<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 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=121640130&amp;loc=d3e1436-108581<br><br>Reference 5: 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>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</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>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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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 17B<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL34724394-108580<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 45<br> -Paragraph 20<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32211-110900<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=121641772&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=121640130&amp;loc=d3e1436-108581<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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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<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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<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>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_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract</td>
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<td><strong> Data Type:</strong></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>
</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_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>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139660506801560">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes (Details) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
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<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_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit', window );">Reduction in net deferred income tax liabilities</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 1,140<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_IncomeTaxReconciliationDeductionsOther', window );">Amortization of an excess deferred tax liability</a></td>
<td class="nump">$ 6<span></span>
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<td class="nump">$ 6<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_RegulatoryLiabilityAmortizationPeriod', window );">Regulatory liability, amortization period</a></td>
<td class="text">28 years 6 months<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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_pnw_IncomeTaxExpenseBenefitAttributableToNonControllingInterests', window );">Income tax expense benefit attributable to non controlling interests</a></td>
<td class="nump">$ 0<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="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_DomesticCountryMember', window );">Domestic Tax Authority</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>
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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_IncomeTaxContingencyLineItems', window );"><strong>Income Tax Contingency [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_IncomeTaxReconciliationDeductionsOther', window );">Amortization of an excess deferred tax liability</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14<span></span>
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<td class="text">&#160;<span></span>
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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 sum of the current income tax expense or benefit attributable to non-controlling interests.</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>xbrli:monetaryItemType</td>
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<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>
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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>
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<td>us-gaap_</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount 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 deductions.</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=84230637&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>
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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>
</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>Amortization period for the recovery of regulatory liability, 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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<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_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income tax benefit for remeasurement of deferred tax liability from change in tax rate pursuant to Tax Cuts and Jobs 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/2009/role/commonPracticeRef<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=84230637&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_TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<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_DomesticCountryMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DomesticCountryMember</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>EXCEL
<SEQUENCE>80
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
